Operation, Maintenance, and Parts Manual
MODEL
GT-50DZ
"TOW TRACTOR
WITH DEUTZ ENGINE
Aircraft Ground Support Equipment CD274
produced by
m_lIKETIIll _EIVlCE$
Ti_TAL m Jlrum_wi
STEWART & STEVENSON SERVICES, INC. FRONT MATI'ER
AIRCRAFT GROUND SUPPORT EQUIPMENT
RECORD OF REVISIONS
PROPERTY OF:
COMPANY:
ADDRESS:
CITY STATE ZIP CODE
REVISION DATA
CHECK EACH REVISION RECEIVED, AND INSERT THE REVISED AND SUPPLEMENTARY
PAGES IN YOUR. MANUAL.
DATE OF ORIGINAL PUBLICATION: AUGUST 1994
REVISION DATE
1 October ]994
2 November 1994
3 December 1994
4 March 1995
5 March1997
6
7
CD274 i
El 1287 REV 5
STEWART & STEVENSON SERVICES, INC. FRONT MAI-I.Va¢.
AIRCRAFT GROUND SUPPORT EQUIPMENT
LIST OF EFFECTIVE PAGES
Title Page Orig MI02007-1 and MI02007-2 Orig
Record of Revisions-i Rev 5 MI02008-1 and MI02008-2 Orig
Listof EffectivePages-iiand iii Rev 5 MI02008-3 Rev I
Manual Table of Contents-iv thin x Rev 3 MI02008-4 Orig
List of Figures-xi thin xiii Rev 3 MI02009-1 and MI02009-2 Orig
List of Tables-xiv Rev 3 MI02009-3 Rev 1
Introductlon-xv Rev 3 MI02009-4 Ofig
Unit Idenfification-xv Rev 3 MI02010-1 and MI02010-2 Orig
Technical Assistance-xvi Rev 3 MI02010-3 Rev 1
Safety Precautions-xvii Rev 5 MI02010-4 Orig
How To Use This Manual-xviii Rev 3 MI02011-1 and MI0201 I-2 Orig
MI02011-3 Rev1
CHAPTER 1 MI02011-4 Orig
I-TOC-i thra 1-TOC-iv (3rig MI03006-1 thru MI03006-4 Orig
1-1-1 thin I-1-4 Rev 1 MI03007-I and MI03007-2 Rev 1
1-1-5 thin 1-1-12 Orig MI03008-1 thru MI03008-6 Orig
l-2-1 and 1-2-2 Orig MI03009-1 and MI03009-2 Orig
1-2-3 and 1-2-4 Rev 1 MI04007-1 Orig
1-2-5 Orig MI04007-2 Rev2
1-2-6 Rev I MI04009-1 and MI04009-2 Rev 2
1-2-7 Rev 3 MI04010-1 and MI04010-2 Orig
1-2-8 Rev 1 MI06003-1 Rev 3
1-2-9 Rev 3 MI06003-2 thin MI06003-4 Orig
1-2-10 Rev 1 MI08004-1 Orig
1-2-11 Rev3 MI08004-2 Rev 1
1-2-12 Rev 1 MI08005-1 Orig
I-2-13 Rev 3 MI08005-2 Rev 1
I-2-14 Rev I MI09012-1 thraMI09012-4 Orig
1-3-1 and 1-3-2 Rev 3 MII2001-1 Rev 1
1-3-3 Rev 2 MI12001-2 Orig
1-3-3 Rev 2 M/99003-1 and MI99003-2 Orig
1-3-4 Orig MI99003-3 Rev4
1-3-5 Rev I MI99003-4 Orig
1-3-6 thin 1-3-9 Rev 3 M199003-5 Rev 4
1-3-10 Rev1 MI99003-6 Rev1
1-4-1 thra 1-4-4 Ofhg MI99004-1 thru MI99004-4 Rev 4
1-5-1 0fig
I-5-2 Rev I CHAPTER 3
1-5-3thru1-5-6 Orig 3-TOC-iand3-TOC-ii Orig
3-1-1 Rev1
CHAPTER 2 3-1-2 Orig
2-TOC-i and 2-TOC-ii Orig 3-2-1 Rev 4
2-1-1 Rev 5 3-2-2 thra3-2-8 Orig
2-1-2 thin 2-1-4 0fig
2-2-1 and 2-2-2 Ofig CHAPTER 4
2-2-3 and 2-2-4 Rev 4 4-TOC-i Orig
2-2-5 and 2-2-6 Orig 4-TOC-ii Rev 1
2-2-7 Rev 5 4--1-1 thin 4-1-4 Drig
2-2-8 thin 2-2-10 Orig 4-2-1 Rev 4
2-3-I thru 2-3-4 Orig 4-2-2 Orig
4-3-1 and 4-3-2 Orig
MI01004-1 Orig 4-3-3 thru 4-3-10 Rev 3
MI01004-2 Rev1 4-3-11 Rev 2
CD274 ii
El1287 REV5
STEWART & STEVENSON SERVICES, INC. FRONT MArIER
AIRCRAFT GROUND SUPPORT EQUIPMENT
LIST OF EFFECTIVE PAGES
4-3-12 Rev3 CHAPTER 5
4-3-13thra4-3-15 Rev2 5-TOC-i Rev4
4-3-16 Rev3 5-TOC-ii Orig
4-3-17thru4-3-22 Rev2
4-3-23 Rev3 CHAFIER6
4-3-24 Rev2 6-TOC-i Orig
44 1thin443 Orig 6-TOC-ii Rev2
444 Rev4
4 g 5 and 4-4-6 Rev 3 OPTION 1
4_7 Orig 6-1-1 Rev4
44 8 thin 4-4-10 Rev3 6-1-2 Orig
4-4-11 thin 4-4-20 Orig 6-1-3 thru 6-1-9 Rev 4
4-4-21 Rev3 6-1-10 Orig
4-4-22 Rev4
4-4-23 Rev3 OPTION2
4-4-24 Rex" 4 6-2-1 Orig
4 4 25 Rev 3 6-2-2 Rev 4
4 4 26 thru 4-4-39 Orig 6-2-3 and 6-2-4 Orig
4-4-40 thru 4-4-40B Rev 4
4-4-41 Orig INDEX-1 thin INDEX-4 Orig
4_4 42and44 43 Rev3
4-4-44thru4-4-47 Orig
44 48 and 4449 Rev3
4-4-50 thru 4-4-59 Orig
4.4 60 thru4-4-63 Rev3
4-4-64 Rev 2
d 4.65 Rev3
4-4-66 thru 4-4-69 Orig
4 4 70and4 4 71 Rev3
4472 Orig
4, el 73 Rev 3
4 "!.74 thru 4-4-80 Orig
4-4-81 Rev 3
4-4-82 Orig
4-4-83 Rev 3
"!. 4 84 Rev 4
4-4-85 thru 4-4-94 Deleted
12941092 (4 sheets) Rev A
4-4-95 thru 4-4-98 Orig
4-4-99thru4 4 102 Rev1
44 103 Rev2
4-4-104 thru 4 -!.107 Rev I
4-4-108 Rev4
12941675(2 sheets) RevA
CD274 iii
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STEWART & STEVENSON SERVICES, INC. FRONT MAJtbR
AIRCRAFT GROUND SUPPORT EQUIPMENT
MANUAL TABLE OF CONTENTS
DESCRIPTION CHAPTER/SECTION/PAGE
Record of Revisions Front Matter/i
L'rst of Effective Pages Front Matter/ii
Manual Table of Contents Front Matter/'lii
List of Ftgures Front Matterflx
List of Tables Front Matter/xii
Imroduction Front Matter/xiii
UnitIdentification Front Matter/xiii
Technical Assistance Front Matter/xiv
Safety Precautions Front M_nar/xv
How to Use This Manual Front M_ner/xvi
CHAPTER 1 GENERAL INFORMATION AND OPERATING INSTRUCTIONS
SECTION 1 GENERAL DESCRIPTION ..................................... I-1-1
1.1 INTRODUL-i_ON ............................................. 1-1-1
1.2 UNIT DESCRIPTION .......................................... 1-t-I
1.3 ENGINE ................................................... 1-1-3
1.4 TRANSMISSION ............................................. 1-1-3
1.5 DRIVE LINE ASSEMBLY ...................................... 1-1-3
1.6 FUEL SYSTEM .............................................. 1-1-3
1.7 AIR INTAKE SYSTEM ........................................ 1-1-4
1.8 EXHAUST SYSTEM .......................................... 1-1-4
1.9 LUBRICATION SYSTEM ....................................... 1-1-4
1.10 COOLING SYSTEM .......................................... 1-1-4
1.11 STEERING SYSTEM .......................................... 1-1-4
1.12 BRAKE SYSTEM ............................................ 1-1-6
1.12.5 Parking Brake ............................................... 1-1-9
1.13 LIFT CAB (OPTIONAL) ....................................... 1-1-9
1.14 _.I F_-t RICAL SYSTEM. ....................................... 1-1-9
1.14.2 Engine Starting and Battery Charging Circuits ........................ 1-1-10
1.14.3 Brake Booster Motor Circuit. ................................... 1-1-I0
1.14.4 Engine Run Relay Circuit. ..................................... 1-1-10
1.14.5 Horn Circu'rt................................................ 1-1-10
1.14.6 Engine lnsmmaent Circuit. ..................................... 1-1-10
1.14.7 Light Circuit. .............................................. 1-1-10
1.14.8 WarningLight Circuit. ........................................ 1-1-11
1.14.9 Auxiliary Light Circuit. ....................................... I-1-11
1.14.11 Engine Coolant Heater (Optional) ................................. 1-1-12
1.14.12 Engine Fuel]Water Separator and Fuel Heater (Optional) ................. 1-1-12
1.14.13 Cab Circuits (Optional) ........................................ 1-1-12
CD274 iv
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STEWART & STEVENSON SERVICES, INC. FRONT MAi-IP.R
AIRCRAFr GROUND SUPPORT EQUIPMENT
MANUAL TABLE OF CONTENTS (CONT.)
DESCRIPTION CHAPTER/SECTION/PAGE
SECIION 2 OPERATION ............................................... 1-2-1
2.1 PRE-OPERATIONAL CHECKS .................................. 1-2-1
2.2 OPERATING PROCEDURES .................................... 1-2-3
2.3 SHUTDOWN PROCEDURE ...... ., .............................. 1-2-4
2.4 CONTROLS AND INDICATORS ................................. 1-2-7
SECTION 3 SPECIFICATIONS .......................................... 1-3-1
3.1 INTRODUCI'ION ............................................ 1-3-1
3.2 SPECIFICATION TABLES ..................................... 1-3-1
3.3 POINTS OF SERVICE, SPECIFICATION, AND CAPAISITL_S ............ 1-3-4
SECTION 4 SHIPPING ................................................. 1-4-1
4.1 INTRODUCTION ............................................. 1-4-1
4.2 TUz DOWN POINTS .......................................... 1-4-1
4.3 LII'TING ................................................... 1-4-1
4.4 PREPARING ENGINE ......................................... 1-4-1
4.5 PREPARING UNIT ........................................... 1-4-2
4.5.1 Batteries ................................................... 1-4-2
4.5.2 Windshields(Cab Option Only) ................................... 1-4-2
4.5.3 Control Panel (Without Cab Option Only) ............................ 1-4-2
4.5.4 WarningBeacons ............................................. 1-4-2
4.6 MARKING ................................................. 1-4-2
4.7 RECEIVING EQUIPMENT ...................................... 1-4-2
4.7.1 Inventory ................................................... 1--4-2
4.7.2 _on .................................................. 1-4-2
4.7.3 Notification ................................................. 1-4-2
4.8 PREPARING UNIT FOR SERVICE ................................ 1-4-2
4.8.1 Windshields(Cab Option Only) ................................... 1-4-2
4.8.2 Warningbeacon(s) ............................................ 1-4-2
4.8.3 Air Cleaner ................................................. 1-4-3
4.8.4 Batteries ................................................... 1--4-3
4.8.5 Engine ..................................................... 1-4-3
4.8.6 Control Panel (Without Cab Option Only) ............................ 1-4-3
4.8.7 Markings ................................................... 1-4-3
SEuIION 5 STORAGE ................................................. 1-5-1
5.1 SHORT-TERM STORAGE ...................................... 1-5-1
5.1.1 Engine ..................................................... 1-5-1
CD274 v
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STEWART & STEVENSON SERVICES, INC. FRONT MATIP__
AIRCRAFT GROUND SI.YPPORT EQUIPMENT
MANUAL TABLE OFCONTENTS (CONT.)
DESCRIPTION CHAPTER/SECTION/PAGE
5.1.2 Transmission ................................................ 1-5-1
5.1.3 Drive Axles ................................................. 1-5-1
5.1.4 Tires ...................................................... I-5-1
5.1.5 Batteries ................................................... 1-5-1
5.2 RETURN TRACTOR TOOPERATION Al--tv_,RSHORT-TERM STORAGE... 1-5-1
5.2.1 Tires ...................................................... 1-5-1
5.2.2 Batteries ................................................... 1-5-2
5.2.3 Engine ..................................................... 1-5-2
5.2.4 Transmission ................................................ 1-5-2
5.3 LONG-TERM STORAGE ....................................... 1-5-2
5.3.1 Engine ..................................................... 1-5-2
5.3.2 Batteries ................................................... 1-5-4
5.3.3 Driveaxles ................................................. 1-5-4
5.3.4 Transmission ................................................ 1-5-4
5.3.5 Tires ...................................................... 1-5-4
5.3.6 Windows (Cab Option Only) ..................................... 1-5-4
5.4 RETURN TRACTOR TO OPERATION A.t--t__&LONG-TERM STORAGE .... 1-5-4
5.4.1 Tires ...................................................... 1-5-4
5.4.2 W'mdows(Cab OptionOnly) ..................................... 1-5-5
5.4.3 Batteries .................................................... 1-5-5
5.4.4 Engine ..................................................... 1-5-5
5.4.5 Transmission ................................................ 1-5-5
5.4.6 Driveaxles ................................................. 1-5-5
CHAPTER 2 MAINTENANCE
SECTION 1 PREVENTIVE MAINTENANCE SCHEDULE ........................ 2-1-1
1.1 /NTRODUcq iON ............................................ 2-1-1
1.2 HOW TO USE THE PREVEN'HVE MAINTENANCE SCHEDULE ........ 2-1-1
SECTION 2 TROUBLESHOOTING ........................................ 2-2-1
2.1 INTRODU Ci'J.ON ............................................ 2-2-1
2.2 HOW TO USE THE TROUBLESHOOTING TABLES ................... 2-2-1
2.3 OBTAINING FACTORY ASSISTANCE ............................ 2-2-1
SECTION 3 MAINTENANCE INSTRUCTIONS ............................... 2-3-1
3.1 INTRODUCTION ............................................. 2-3-1
3.2 HOW TO USE THEMAINI'f=NANCE INSTRUCTIONS (MI) ............. 2-3-1
3.3 LIST OF EVt"t_C-IiV'E MAINTENANCE INSTRUCTIONS ............... 2-3-2
CD274 vi
El1287 REV 3
STEWART & STEVENSON SERVICES, INC. FRONT MATI_R
AIRCRAFT GROUND SUPPORT EQUIPMENT
MANUAL TABLE OF CONTENTS (CONT.)
DESCRIPTION CHAPTER/SECTION/PAGE
CHAPTER 3 OVERHAUL
SECTION 1 OVERHAUL DATA . , ........................................ 3-1-1
1.1 MODEL GT-50DZ TOW TRACTOR OVERHAUL ............. ......... 3-1-1
1.2 ENGINE ................................................... 3-1-t
1.3 TRANSMISSION ............................................. 3-1-1
1.4 AXL_-S .................................................... 3-1-1
SECTION 2 REMOVAL AND INSTATJ.ATION ............................... 3-2-1
2.1 ENGINE AND TRANSMISSION ASSEMBLY REMOVAL ............... 3-2-1
2.2 ENGINE AND TRANSMISSION ASSEMBLY INSTAT.T.ATION
PROCEDURE_ .............................................. 3-2-4
2.3 AXIF REMOVAL PROCEDURES ................................ 3-2-4
2.4 A.,roF. ]NSTAt.r,ATION PROCEDURES ............................ 3-2-6
CHAPTER 4 PARTS
SECTION 1 PARTS LIST ............................................... 4-1-1
1.1 INTRODUCTION ............................................. 4-1-1
1.2 PARTSLIST ................................................ 4-1-1
1.2.2 Figure and Index Number Colnrnr_................................. 4-1-2
1.2.3 Part Number Cohmm .......................................... 4-1-2
1.2.4 Manufacturer's Code ........................................... 4-1-2
1.2.5 Description Column ........................................... 4-1-2
1.2.6 Quantity Colnmn .............................................. 4-1-2
1.3 HOW TO LOCATE PARTS ..................................... 4-1-2
1.4 HOW TO ORDER PARTS ...................................... 4-1-3
SEt.'tlON 2 MANUFACqu-RER'S CODES ................................... 4-2-1
SECTION 3 ALPHA-NUMERIC INDEX ..................................... 4-3-1
3.1 INTRODUt_'iiON ............................................. 4-3-1
SEctlON 4 GROUP INDEX ............................................. 441
GROUP 1 TOW TRACTOR ASSEMBLY ................................... 443
1.1 TOW TRACTOR OVER_T.t. VIEW ............................... 444
1.2 OPERATOR'S COMPARTMENT ................................. 448
1.3 CAB MODEL 416 (OPTION) ................................... 4 4 12
CD274 vii
El1287 REV3
STEWART & STEVENSON SERVICES, INC. FRONT MATIP.,R
AIRCRAFT GROUND SUPPORT EQUIPMENT
MANUAL TABLE OFCONTENTS (CONT.)
DESCRIPTION CHAPTER/SECTION/PAGE
GROUP 2 DRIVE LINE .............................................. 44 19
2.1 ENGINE AND TRANSMISSION ASSEMBLY ...................... 4.4 20
2.2 ENGINE AND TRANSMISSION CONNECTION .................... 44 22
2.3 DRIVE LINE ASSEMBLY .................................... 44.24
2.4 STEERABLE AXLE HOUSING ................................. 44 26
2.5 STEERABLE AXI.I_ DU_t-t!RENTIAL ............................ 4 4 28
2,6 STEERABLE AXI,I_ STEERING PARTS .......................... 4 4 30
2.7 STEF,RA.BLE AXLE PLANETARY HUB REDUCERS ................. 4 4 32
2.8 RIGID AX'IF, HOUSING ...................................... 4434
2.9 RIGID AXLE DIPPP.,RENTIAL ................................. 4 4 36
2.10 RIGID AXI,F, PLANETARY HUB REDUCERS ...................... 4 4 38
GROUP 3 BRAKE SYSTEM COMPONENTS ............................... 4 4 41
3.1 BRAKE LINKAGE AND MASTER CYLINDER/ .................... 44 42
HYDRAULIC BOOSTER
3.2 BRAKE HYDRAULIC BOOSTER ASSEMBLY ..................... n _, 44
3.3 BRAKE SYSTEM HYDRAULIC BOOSTER CIRCUIT ................ _4 "!.6
3.4 HYDRAULICBRAKE SYSTEM ................................ 4 4 48
3.5 FRONT BRAKE ASSEMBLY .................................. 4 4 50
A ,4
3.6 REAR BRAKEASSEMBLY ..................................... 52
nA
3.7 PARKING BRAKE LINKAGE .................................... 54
3.8 PARKING BRAKE ASSEMBLY ................................ 4 4 56
GROUP 4 FUEL SYSTEM COMPONENTS ................................ 44 59
4.1 FUEL SYSTEM WiTH FUEL FILTER/WATER ..................... 4 4 60
SEPARTOR (OPTION)
4.3 THROTILE CONTROL ...................................... 4 4 64
GROUP 5 GOVERNOR ADJUSTMENT (NOT USED REFER TO GROUP 4) ........ 4 4 67
GROUP 6 LUBRICATION SYSTEM FOR ENGINE AND TRANSMISSION ......... 4 4 69
6.1 TRANSMISSION LUBE OIL SYSTEM ........................... 4 4 70
6.2 ENGINE LUBE OIL SYSTEM .................................. 4 4 72
GROUP 7 ENGINE COOLING SYSTEM COMPONENTS ...................... 4 4 75
7.1 ENGINE COOLING SYSTEM .................................. 4 4 76
GROUP 8 ENGINE AIR INTAKE AND EXHAUST SYSTEM ................... 4 4 79
8.1 AIR INLET ASSEMBLY ...................................... 4 4 80
8.2 EXHAUST SYSTEM ......................................... 4 4 82
CD274 viii
El1287 REV3
STEWART & STEVENSON SERVICES, INC. FRONT MAI-I_R
AIRCRAFT GROUND SUPPORT EQUIPMENT
MANUAL TABLE OF CONTENTS (CONT,)
DESCRIPTION CHAPTER]SECTION/PAGE
GROUP 9 r::J.F.Cq'P, ICAL SYSTEM COMPONENTS .......................... 4 4 85
9.1 OPERATOR CONTROL PANEL ASSEMBLY ...................... 4-4.-86
9.2 ELECTRICAL PARTS ........................................ 4-4-90
GROUP 10 GENERATOR (NOT USED) ................................... _ 4 95
GROUP 11 NOT USED ............................................... d 4 97
GROUP 12 STEERING SYSTEM COMPONENTS ............................ _I4 99
12.1 STI=_,P, ING COLUMN ....................................... 4 4 100
12.2 HYDRAULIC STEERING VALVE ASSEMBLY .................... 4 4 102
12.3 HYDRAULIC FILTER ASSEMBLY ............................. d 4 104
12.4 HYDRAULIC STEERING PUMP ............................... ,! _ 106
12.5 HYDRAULIC STEERING SYSTEM ............................. _ _ 108
CHAI:q'F__ 5 DRAWINGS
TABLE OF CONTENTS ..................................... 5-TOC-i
CHAPTER 6 OPTIONS AND MANUFACTURER'S DATA
TABLE OF CONTENTS ..................................... 6-TOC-i
OPTIONAL EQUIPMENT - INTRODUCTION ................... 6-INTRO-i
1. GT50 STr::_.RING OPTIONS .................................... 6-1-1
1.1 DESCRIPTION .............................................. 6-1-1
1.1.1 STI=_-RING MODES .......................................... 6-1-1
1.1.2 ACTIONOF FRONT AX[]:. .................................... 6-1-1
1.1.3 ACIION OF REAR AXLE ..................................... 6-1-1
1.2 OPERATION ............................................... 6-1-1
1.2.1 TRACK ST'_RING MODE ..................................... 6-1-1
1.2.2 COORDSTEERINGMODE " 6-1-1
1.2.3 CRAB STt_'RRING MODE ...................................... 6-1-1
1.3 MAINTV_.NANCE ............................................ 6-1-3
1.3.1 PREVENTIVE MAINTI_NANCE ................................. 6-1-3
1.3.2 TROUBLESHOOTING ........................................ 6-1-3
1.3.3 ADJUSTMENTS ............................................. 6-1-3
1.5 DRAWINGS ................................................ 6-1-9
CD274 ix
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Gt-50dz Tow Tractor With Deutz Engine
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Description
Discover the complete manual for the Gt-50dz Tow Tractor With Deutz Engine. This comprehensive guide covers the key features of models 4.16, 4.31, 4.21, 5.09 TD, and 5.09 TCD. Whether you're a professional mechanic or a DIY enthusiast, this manual will help you make the most of this tough and reliable tow tractor for your transport needs.
The manual includes in-depth specifications, maintenance instructions, and more. The Gt-50dz is engineered to optimize efficiency and reliability, even in challenging terrains. This manual empowers you to fully utilize the robust engineering and powerful features of the product.
Gain crucial insights into the Gt-50dz Tow Tractor With Deutz Engine and receive valuable advice on maintenance and safety. Learn about:
- Specifications for each model
- Operation and handling
- General maintenance
- Safety and operator alerts
Acquire your Gt-50dz Tow Tractor With Deutz Engine Product Guide today and access comprehensive knowledge about the 4.16, 4.31, 4.21, 5.09 TD, and 5.09 TCD models.
