
T0469
© Thwaites Limited
Tier II: Issue 1
Service
manual
9 tonne
390 – 9 Tonne Front Tip

9 tonne

9 tonne
This manual has been written to provide maintenance and
service information necessary to keep the Thwaites machine
operating safely and efficiently throughout its service life.
Prior to Commencing Maintenance Work You Must :
• Read and fully understand the enclosed working instructions.
• Ensure that any required safety precautions have been taken.
• Adhere to safety notices contained within this manual.
• Fully understand the risks involved and be competent to
perform the work.
• Use only genuine spare parts as replacement items.
• Ensure that prior to the machine being used, after
maintenance work has been completed, all safety checks and
tests have been completed.
Any problems please contact your local distributor
In compiling this document we have endeavoured to provide
the most up-to-date and accurate information.
Due to Thwaites continual product development we reserve the
right to amend information contained within this manual without
prior notice.
INTRODUCTION

9 tonne
Technical Specification ................................................... 1
Maintenance .................................................................... 2
CONTENTS

9 tonne
Machine Identification .................................................. 1.1
Location of Major Components ................................... 1.2
Torque Settings/Capacities .......................................... 1.3
SECTION 1 - TECHNICAL DATA

9 tonne
1.1
Serial Numbers
Note machine serial numbers. Always quote them in
communication with Thwaites dealer or Head Office.
Model Type (Fig 1.)
Vin Nº (Fig 1.)
Engine Serial Nº (Fig 2.)
Gearbox Serial Nº (Fig 3.)
Axle Serial Nº (Fig 4.)
Transfer Box/Drive Motor Serial Nº (Fig 5.)
MACHINE IDENTIFICATION
Fig. 1 Fig. 2
Fig. 3 Fig. 4
Fig. 5

9 tonne
1.2
LOCATION OF MAJOR COMPONENTS
1. Skip/Bucket
2. Operator Manual Pocket
3. Wheel
4. Axle
5. Propshaft Lower Rear
6. Propshaft Top Rear
7. Tranfer Box
8. Propshaft Front
9. Chassis Locking Bar
10. Battery Box
11. Fuel Tank
12. Engine
13. Radiator/Oil Cooler
14. Hydraulic Tank
15. Gearbox
16. Steering Ram
17. Kinglink
18. Skip Prop
19. Tipping Ram

9 tonne
1.3
System Fluid Capacities Ltrs
Engine oil (with filter) ............................................................. 12.0
Transmission .......................................................................... 18.5
Axle Front ............................................................................... 25.0
Axle Rear ................................................................................ 25.0
Transfer case ............................................................................ 0.6
Cooling system ...................................................................... 23.0
Hydraulic system ................................................................... 74.0
Brake reservoir ......................................................................... 0.3
Fuel tank ................................................................................. 68.0
Torque Settings Nm
Axle Bolts ................................................................................ 607
Bearing mounting plate bolt .................................................... 56
Centre pivot ............................................................................. 554
Diesel/ hyd tank drain plugs ..................................................... 25
Engine/Gearbox ....................................................................... 56
Eng Brkt/chassis mtg ............................................................... 250
Eng/Brkt/eng mtg ...................................................................... 77
Kinglink bearing pins upper .................................................... 486
Prop bolts straps ........................................................................ 77
Prop bolts G/box ..................................................................... 118
Ram Pin Nuts ........................................................................ 250+
ROPS Frame ............................................................................ 250
Rear Cover ............................................................................... 250
Transfer Box ............................................................................ 250
Wheel nuts .............................................................................. 680
Weight of components Kg
Rigid ROPS ................................................................................ 70
Hinged ROPS ............................................................................. 90
ROPS/FOPS ............................................................................. 240
Rear cover ............................................................................... 170
Engine cover s/w seat ............................................................... 67
Rear grill panel ........................................................................ 16.5
Towing jaw and pin .................................................................. 4.0
Torque settings Nm
Rear cover/chassis .................................................................. 250
ROPS frames/cover ................................................................. 250
Towing bracket .......................................................................... 56
Support bracket ......................................................................... 56
TORQUE SETTINGS AND CAPACITIES

9 tonne
Lubrication And Maintenance Chart ........................... 2.1
Lubrication And Maintenance Schedule ..................... 2.2
Safe Working Practice .................................................. 2.3
First 100 Hour Service - (Engine) ................................. 2.5
First 100 Hour Service - (Hydraulic) ............................. 2.6
First 100 Hour Service - Transmission ......................... 2.7
First 100 Hour Service - Axle oil ................................... 2.8
10 Hour Service - Cooling system ............................... 2.9
10 Hour Service - Engine oil/fuel system .................. 2.10
10 Hour Service - Transmission/Air Filter .................. 2.11
10 Hour Service - Brake test ....................................... 2.12
10 Hour Service - Brake Oil ........................................ 2.13
50 Hour Service - Hydraulic Oil ................................. 2.14
50 Hour Service - Drivebelt ........................................ 2.15
250 Hour Service - Brake adjustment ........................ 2.16
Note:
The following service period recommendations are the maximum
permissable and should never be exceeded.
250 Hour Service - Engine Oil & Filter ....................... 2.18
500 Hour Service - Axle ............................................. 2.19
500 Hour Service - Axle/Transmission ...................... 2.20
500 Hour Service - Fuel Filter/Air filter ....................... 2.21
500 Hour Service - Hydraulic Oil Filter ...................... 2.22
1000 Hour Service - Transmission/Transfer box ....... 2.23
2000 Hour Service - Cooling system ......................... 2.24
2000 Hour Service - Hydraulic oil .............................. 2.25
Recommended Lubricants ......................................... 2.26
SECTION 2 - MAINTENANCE

9 tonne
2.1
IMPORTANT NOTE
After first 100 hours: Change engine oil; Change engine oil filter; Change hydraulic oil filter element; Change transmission oil
filter; Change Axle oil (including hubs); Check idle speed.
LUBRICATION AND MAINTENANCE CHART
COOLANT 1 H²0 + 33% Antifreeze
ENGINE OIL 2 BP Vanellus C5 Global
TRANSMISSION OIL 3 BP Autran MBX
OTHER SERVICES 4 Wheel Nut Tightness
INDUCTION 5 Clean Filters
BRAKES 6 Operation of Brakes
FUEL 7 Diesel
AXLE OIL 8 BP Tractran 9
HYDRAULIC OIL 9 Energol HLP HM32
TRANSFER BOX 10 BP Energear Hypoid Gear
+ Transmission 80W-90
11 Tyre Pressure
GREASE 12/13 BP Energrease
BRAKE SYSTEM 14 BP Energol HLP HM32
OTHER SERVICES 15 Drive Belts
OTHER SERVICES 16 Hoses
OTHER SERVICES 17 Bolt tightness (Ref Page 1.3)
BATTERY 18 Battery Cable Connections
LAP BELTS 19 Replace
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Description
This manual is specifically designed for the 390 9 Tonne Front Tip model in the UK. It contains essential maintenance and service information to ensure the safe and efficient operation of your Thwaites machine for its entire service life.