
Illustrated Parts Manual
Models
534D-6
534D-6 Turbo
S/N 0588001
P/N - 9133-4006
Revised July 6, 2007


INTRODUCTION
Table of Contents
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
Revised 1-21-98
JJ 1-1
SECTION 1 — INTRODUCTION
Table of Contents ............................................................................................................... 1-1 thru 1-4
Alphabetical Index .............................................................................................................. 1-5 thru 1-9
Service Kits .......................................................................................................................... 1-10, 1-11
Part Number Index ........................................................................................................ 1-12 thru 1-22
SECTION 2 — CHASSIS & ATTACHING PARTS
Frame Shrouding & Trim ................................................................................................................. 2-1
Open Cab ........................................................................................................................................ 2-2
Rear Axle & Attaching Parts ........................................................................................................... 2-3
Front Axle Mounting ........................................................................................................................ 2-4
SECTION 3 — BOOM
First Boom Section ........................................................................................................................ 3-1
Second Boom Section .................................................................................................................... 3-2
Third Boom Section ........................................................................................................................ 3-3
Extension & Retraction Cables ....................................................................................................... 3-4
Quick Switch ................................................................................................................................... 3-5
SECTION 4 — ATTACHMENTS
Carriage Assembly ........................................................................................................................ 4-1
Quick Switch Mounted Carriage Assembly .................................................................................... 4-2
Buckets .......................................................................................................................................... 4-3
Slope Piler Carriage ....................................................................................................................... 4-4
SECTION 5 — ENGINE & ATTACHING PARTS
Engine Left Side View ..................................................................................................................... 5-1
Engine Right Side View .................................................................................................................. 5-2
Engine Pump Mount & Flywheel Housing ...................................................................................... 5-3
Fuel Tank & Lines ........................................................................................................................... 5-4
Radiator & Hoses ........................................................................................................................... 5-5
Air Cleaner Piping ........................................................................................................................... 5-6
Air Cleaner ...................................................................................................................................... 5-7
Exhaust System ............................................................................................................................ 5-8
*
* Changed the final page number of the Page Number Index from 1-20 to 1-22

KG 1-2
SECTION 6 — DRIVE TRAIN
Front Axle Assembly ..................................................................................................................... 6-1
Front Axle Housing ........................................................................................................................ 6-2
Front Axle Differential Carrier ........................................................................................................ 6-3
Brake Assembly ............................................................................................................................ 6-4
Front Axle Shaft & Planetary Wheel End ........................................................................................ 6-5
Rear Steering Axle Drive Hub ........................................................................................................ 6-6
Wheels & Tires .............................................................................................................................. 6-7
SECTION 7 — CONTROLS
Tilt & Sway ..................................................................................................................................... 7-1
Accelerator Pedal Assembly .......................................................................................................... 7-2
Steering Column - Forward Nuetral Reverse Shifter ...................................................................... 7-3
Floorplate Components ................................................................................................................... 7-4
Brake & Inching Linkage ................................................................................................................. 7-5
SECTION 8 — BRAKES
Service Brake Lines. ..................................................................................................................... 8-1
SECTION 9 — HYDRAULIC CIRCUITS
Oil Supply & Pressure Lines .......................................................................................................... 9-1
Dump Circuit .................................................................................................................................. 9-2
Drive Circuit (front) ......................................................................................................................... 9-3
Drive Circuit (rear) .......................................................................................................................... 9-4
Lift Cylinder .................................................................................................................................... 9-5
Crowd Cylinder .............................................................................................................................. 9-6
Tilt & Tilt Compensating Cylinder ................................................................................................... 9-7
Sway Cylinder ................................................................................................................................ 9-8
Steering Cylinder ............................................................................................................................ 9-9
Joystick Circuit ............................................................................................................................ 9-10
SECTION 10 — HYDRAULIC COMPONENTS
Lift Cylinder (Iowa) ........................................................................................................................ 10-1
INTRODUCTION
Table of Contents
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97

INTRODUCTION
Table of Contents
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
Revised 6-1-99
JH 1-3
SECTION 10 — HYDRAULIC COMPONENTS (continued)
Crowd Cylinder ............................................................................................................................. 10-2
Tilt Cylinder (Iowa) ........................................................................................................................ 10-3
Compensating Cylinder (Iowa) ..................................................................................................... 10-4
Sway Cylinder (Iowa) ................................................................................................................... 10-5
Steering Cylinder (Iowa) ............................................................................................................... 10-6
Main Hydraulic Control Valve ....................................................................................................... 10-7
Rear Drive Motor .......................................................................................................................... 10-8
Priority Flow Control Valve ........................................................................................................... 10-9
Flow Divider Valve ...................................................................................................................... 10-10
Brake Valve ................................................................................................................................ 10-11
Solenoid Valve ............................................................................................................................ 10-12
Sway Cylinder Valve .................................................................................................................. 10-13
Inching Valve .............................................................................................................................. 10-14
Main Hydraulic Pump .................................................................................................................. 10-15
Hydrostatic Transmission Pump ................................................................................................. 10-16
Front Drive Motor ........................................................................................................................ 10-17
Hydraulic Reservoir & Filters ...................................................................................................... 10-18
Joystick Assembly ..................................................................................................................... 10-19
Traction Lock Valve .................................................................................................................... 10-20
Thermal Bypass Valve Assembly ............................................................................................... 10-21
Quick Start Cylinder and Valve Assembly (534D-6T) ................................................................ 10-22
Quick Start Cylinder and Valve Assembly (534D-6) .................................................................. 10-23
SECTION 11 — ELECTRICAL
Dash Panel ................................................................................................................................... 11-1
Gauge Panel ................................................................................................................................. 11-2
Dash Harness Assembly .............................................................................................................. 11-3
Battery & Cables ........................................................................................................................... 11-4
SECTION 12 — MISCELLANEOUS
Frame Decals ............................................................................................................................... 12-1
Boom Decals ................................................................................................................................. 12-2
Cushion Clamps & Clamp Sets .................................................................................................... 12-3
*
* Added page 10-23 & changed the Description on 10-22.
*

1-4
INTRODUCTION
Table of Contents
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
Revised 5-1-99
SECTION 13 — OPTIONAL EQUIPMENT
Cab Enclosure Installation (9134-5003) ....................................................................................... 13-1
Cab Enclosure Installation (9134-5003) - Cont. ............................................................................ 13-2
Foam Tire Option (9133-5002) - 36 Ft. Boom ............................................................................... 13-3
Auxiliary Hydraulics Field Kit ........................................................................................................ 13-4
Auxiliary Hydraulics & L.H. Sway Assembly ................................................................................ 13-5
L.H. Tilt Field Kit ............................................................................................................................ 13-6
L.H. Sway Assembly .................................................................................................................... 13-7
L.H. Tilt/Sway Control ................................................................................................................... 13-8
R.H. Auxiliary Hydraulics .............................................................................................................. 13-9
Overhead Window ...................................................................................................................... 13-10
Dual P.O. Check Valve ............................................................................................................... 13-11
Auxiliary Hydraulics Assembly with Electrics ............................................................................ 13-12
42' Boom Option ......................................................................................................................... 13-13
42' Boom Assembly .................................................................................................................... 13-14
Lift Cylinder (42' Boom) ............................................................................................................... 13-15
Auxiliary Hydraulics (42' Boom) .................................................................................................. 13-16
L.H. Aux. Hydraulics & L.H. Sway Assembly (42' Boom) .......................................................... 13-17
Auxiliary Hydraulics With Electrics (42' Boom) .......................................................................... 13-18
Crowd Cylinder (42' Boom) ......................................................................................................... 13-19
Foam Tire Option (42' Boom) ...................................................................................................... 13-20
Work Light Package ................................................................................................................... 13-21
Winch Installation ........................................................................................................................ 13-22
Engine Block Heater ................................................................................................................... 13-23
Hydraulic Reservoir Heater Installation ...................................................................................... 13-24
Sway Cylinder (9108-3471) ........................................................................................................ 13-25
Tilt-On Joystick Field Kit ............................................................................................................. 13-26
Inline Bypass .............................................................................................................................. 13-27
Cab Enclosure Kit (9114-3267) - Upper Window & Front Wiper Assembly ............................... 13-28
Cab Enclosure Kit (9114-3267) - L.H. Side Assembly ............................................................... 13-29
Cab Enclosure Kit (9114-3267) - Cab Glass .............................................................................. 13-30
Ether Start Field Kit ..................................................................................................................... 13-31
Rear Axle Advantage Kit ............................................................................................................. 13-32
Rear Axle Rework Kit ................................................................................................................. 13-33
*
JH
* Added page 13-31 Ether Start Field Kit & moved
Rear Axle Rework Kit from 13-31 to page 13-33.
*

ACCELERATOR CABLE .................................................................................................................................... 5-1
ACCELERATOR PEDAL .................................................................................................................................... 7-2
AIR CLEANER ..................................................................................................................................................... 5-7
AIR CLEANER ELEMENT ................................................................................................................................... 5-7
AIR CLEANER SERVICE INDICATOR ................................................................................................................ 5-6
ALTERNATOR .................................................................................................................................................... 5-2
ALTERNATOR FAN ............................................................................................................................................. 5-2
ATTACHMENTS ................................................................................................................................... 4-1 thru 4-9
AUXILIARY HYDRAULICS ................................................................................................................................ 13-4
AUXILIARY HYDRAULICS (42' BOOM) ............................................................................................................ 13-16
BATTERY .......................................................................................................................................................... 11-4
BATTERY HOLD DOWN ................................................................................................................................... 11-4
BATTERY CABLES .......................................................................................................................................... 11-4
BEARING PADS (Boom Sections) ........................................................................................................ 3-1, 3-2, 3-3
BLOCK HEATER .............................................................................................................................................. 13-23
BOOM DECALS ............................................................................................................................................... 12-2
BOOM SECTIONS ................................................................................................................................ 3-1, 3-2, 3-3
BOOM, OPTIONAL (42') ................................................................................................................................... 13-13
BRAKE PEDAL .................................................................................................................................................. 7-5
BRAKE VALVE ................................................................................................................................................ 10-11
BRAKE WARNING LIGHT ................................................................................................................................. 11-2
BREATHER (Filler cap) .................................................................................................................................... 10-18
BUCKETS ............................................................................................................................................................ 4-3
CAB ENCLOSURE ............................................................................................................................................ 13-1
CARRIAGE & FORKS ........................................................................................................................................ 4-1
COMPENSATING CYLINDER ........................................................................................................................... 10-4
COMPENSATING CYLINDER HYDRAULIC CIRCUIT ......................................................................................... 9-7
CONTROL VALVES ....................................................................................................................... 10-7, 10-9, 10-10
CROWD CYLINDER .......................................................................................................................................... 10-2
CROWD CYLINDER HYDRAULIC CIRCUIT ....................................................................................................... 9-6
DASH HARNESS .............................................................................................................................................. 11-3
DECALS ................................................................................................................................................... 12-1, 12-2
DECK .................................................................................................................................................................. 2-1
DRIVE CIRCUIT (Front) ....................................................................................................................................... 9-3
DRIVE CIRCUIT (Rear) ........................................................................................................................................ 9-4
INTRODUCTION
Alphabetical Index
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
KG
1-5

DUAL P.O. CHECK VALVE ............................................................................................................................. 13-11
DUMP CIRCUIT .................................................................................................................................................. 9-2,
ELECTRICAL SYSTEMS ......................................................................................................... 1-1, 11-2, 11-3, 11-4
ENGINE LEFT SIDE VIEW ................................................................................................................................. 5-1
ENGINE MOUNT ................................................................................................................................................ 5-1
ENGINE RIGHT SIDE VIEW ............................................................................................................................... 5-2
ENGINE THROTTLE CONTROL .......................................................................................................................... 5-1
EXHAUST PIPE ................................................................................................................................................. 5-8
EXHAUST STACK ............................................................................................................................................. 5-8
EXHAUST SYSTEM .......................................................................................................................................... 5-8
EXTENSION & RETRACTION CABLE ASSEMBLY ........................................................................................... 3-4
FILTERS .......................................................................................................................................................... 10-18
FILTER ELEMENT .......................................................................................................................................... 10-18
FIRST BOOM SECTION .................................................................................................................................... 3-1
FIRST BOOM SECTION MOUNTING PIN ......................................................................................................... 3-1
FLOORPLATE COMPONENTS ........................................................................................................................... 7-4
F-N-R SHIFTER ................................................................................................................................................... 7-3
FRAME ................................................................................................................................................................ 2-1
FRAME SHROUDING & TRIM ........................................................................................................................... .2-1
FRONT AXLE ...................................................................................................................................................... 6-1
FRONT AXLE MOUNTING ................................................................................................................................. 2-4
FRONT AXLE DIFFERENTIAL CARRIER ........................................................................................................... 6-3
FRONT AXLE DRIVE MOTOR ........................................................................................................................ 10-17
FRONT AXLE HOUSING ..................................................................................................................................... 6-2
FRONT AXLE SHAFT & PLANETARY WHEEL END .......................................................................................... 6-5
FRONT BRAKE ASSEMBLY ............................................................................................................................... 6-4
FRONT DISC WHEEL & RIM ............................................................................................................................. 6-7
FUEL GAUGE ................................................................................................................................................... 11-2
FUEL LEVEL SENDER ...................................................................................................................................... 5-4
FUEL LINES ........................................................................................................................................................ 5-4
FUEL TANK & CAP ............................................................................................................................................ 5-4
HOOD ................................................................................................................................................................. 2-1
HORN .................................................................................................................................................................. 2-1
HORN BUTTON ................................................................................................................................................. 11-3
INTRODUCTION
Alphabetical Index
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
1-6
KG

HORN WIRING .................................................................................................................................................. 11-3
HOURMETER .................................................................................................................................................... 11-2
HYDRAULIC CIRCUITS ...................................................................................................................... 9-1 THRU 9-10
IGNITION SWITCH ............................................................................................................................................. 11-3
INCHING VALVE ................................................................................................................................ 7-4, 7-5, 10-14
INLINE BYPASS ....................................................................................................................................... 9-2, 10-21
INSTRUMENT PANEL ............................................................................................................................... 11-1, 11-2
JOYSTICK ............................................................................................................................................... 9-10, 10-19
KITS .......................................................................................................................................................... 1-10, 1-11
LEFT HAND TILT/SWAY CONTROL .................................................................................................................. 13-8
LIFT CYLINDER ................................................................................................................................................. 10-1
LIFT CYLINDER HYDRAULIC CIRCUIT ............................................................................................................... 9-5
LIFT CYLINDER (42' BOOM) ............................................................................................................................. 13-15
MAIN BOOM SECTIONS ........................................................................................................................ 3-1, 3-2, 3-3
MAIN HYDRAULIC PUMP .................................................................................................................. 5-1, 5-2, 10-15
MISCELLANEOUS ELECTRICAL COMPONENTS ............................................................................. 11-1 thru 11-4
MUFFLER ............................................................................................................................................................. 5-8
NEGATIVE BATTERY CABLE ........................................................................................................................... 11-4
OIL COOLER ................................................................................................................................................. 5-5, 9-2
OIL FILTER ........................................................................................................................................ 5-1, 5-4, 10-18
OIL PRESSURE GAUGE ................................................................................................................................... 11-2
OIL PRESSURE SENDER .................................................................................................................................... 5-1
OIL RESERVOIR ............................................................................................................................................... 10-18
OIL SUPPLY & PRESSURE LINES ..................................................................................................................... 9-1
POSITIVE BATTERY CABLE ............................................................................................................................ 11-4
PRIORITY FLOW CONTROL VALVE ................................................................................................................. 10-9
QUICK SWITCH ASSEMBLY ............................................................................................................................... 3-5
QUICK SWITCH MOUNTED CARRIAGE ASSEMBLY ......................................................................................... 4-2
RADIATOR & HOSES .......................................................................................................................................... 5-5
REAR AXLE FRAME ........................................................................................................................................... 2-3
REAR AXLE MOUNTING PIN ............................................................................................................................. 2-3
REAR DRIVE MOTOR. ...................................................................................................................................... 10-8
INTRODUCTION
Alphabetical Index
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
KG 1-7

REAR STEERING AXLE ...................................................................................................................................... 2-3
REAR STEERING AXLE DRIVE HUB .................................................................................................................. 6-6
REPAIR KITS ............................................................................................................................................ 1-10, 1-11
RESERVOIR FILLER-BREATHER .................................................................................................................... 10-18
RESERVOIR SUPPLY CIRCUIT .......................................................................................................................... 9-1
RESERVOIR ..................................................................................................................................................... 10-18
RESERVOIR FILTER ....................................................................................................................................... 10-18
RESERVOIR HEATER ...................................................................................................................................... 13-24
RETRACTION CABLE .......................................................................................................................................... 3-4
SEAT .................................................................................................................................................................... 2-1
SEAT BELT .......................................................................................................................................................... 2-1
SECOND BOOM SECTION .................................................................................................................................. 3-2
SERVICE BRAKE LINES ..................................................................................................................................... 8-1
SERVICE KITS ......................................................................................................................................... 1-10, 1-11
SOLENOID VALVES ......................................................................................................................................... 10-12
STARTER MOTOR ............................................................................................................................................... 5-2
STEERING COLUMN ........................................................................................................................................... 7-3
STEERING CYLINDER ...................................................................................................................................... 10-6
STEERING CYLINDER HYDRAULIC CIRCUIT .................................................................................................... 9-8
STEERING KNUCKLES ....................................................................................................................................... 2-3
STEERING ORBITROL ........................................................................................................................................ 7-3
STEERING WHEEL .............................................................................................................................................. 7-3
SUPPLY HYDRAULIC CIRCUIT ........................................................................................................................... 9-1
SWAY CONTROL HANDLE & LINKAGE .............................................................................................................. 7-1
SWAY CYLINDER .............................................................................................................................................. 10-5
SWAY CYLINDER HYDRAULIC CIRCUIT ............................................................................................................ 9-8
THERMAL BYPASS .................................................................................................................................... 9-2, 10-1
THIRD BOOM SECTION ...................................................................................................................................... 3-3
TIE ROD ARM ...................................................................................................................................................... 2-3
TILT CONTROL HANDLE & LINKAGE ................................................................................................................. 7-1
TILT CYLINDER ................................................................................................................................................ 10-3,
TILT CYLINDER HYDRAULIC CIRCUIT ............................................................................................................... 9-7
INTRODUCTION
Alphabetical Index
534D-6 Starting Serial No. 0588001
534 D6-TURBO Starting Serial No. 0588008
Original Issue 12-97
1-8
KG
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JLG Gradall Telehandlers 534D-6/534D-6 Turbo ANSI Illustrated Master Parts List Manual ! (S/N 0588001; P/N - 913
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Description
This parts manual is a comprehensive guide for the JLG Gradall Telehandlers 534D-6/534D-6 Turbo ANSI. It provides step-by-step instructions and detailed exploded diagrams for easy use. The manual covers the following sections:
- Section 1: Introduction
- Section 2: Chassis & Attaching Parts
- Section 3: Boom
- Section 4: Attachments
- Section 5: Engine & Attaching Parts
- Section 6: Drive Train
- Section 7: Controls
- Section 8: Brakes
- Section 9: Hydraulic Circuits
- Section 10: Hydraulic Components
- Section 11: Electrical
- Section 12: Miscellaneous
- Section 13: Optional Equipment
Instant access to this manual means no shipping costs or waiting for physical delivery. The file format is compatible with all versions of Windows and Mac, and it can be viewed using Adobe Reader and Win. It is available in English and is printable for convenience. Whether you are a professional mechanic or a DIY enthusiast, this manual is an essential resource for maintaining and repairing JLG Gradall Telehandlers 534D-6/534D-6 Turbo ANSI.