Main Control Valve - Install
`
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
[RENR6081]
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Selector and Pressure Control Valve (Pilot) - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Pressure Reducing Valve (Traction Control System) - Remove and Install
HYDRAULIC SYSTEM
VALVE GP-CONTROL
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Main Control Valve - Disassemble
938G Wheel Loader and IT38G Integrated Toolcarrier Machine Systems
Main Control Valve - Assemble
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Main Control Valve - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Main Control Valve - Install
1.1. Installation Procedure
Show/hide table
Required Tools | |||
Tool | Part Number | Part Description | Qty |
A | 8S-7630 | Stand | 2 |
8S-7631 | Tube | 2 | |
8S-7615 | Pin | 2 | |
8S-8048 | Saddle | 2 | |
B | 138-7575 | Link Bracket | 1 |
Show/hide table
NOTICE |
---|
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products. Dispose of all fluids according to local regulations and mandates. |
- Attach Tooling (B) and a suitable lifting device onto main control valve (23). The weight of main control valve (23) is approximately
34 kg (75 lb) . Position main control valve (23) and install bolts (24).Show/hide tableIllustration 2 g00984332 - Position clamps (22) and install bolts (21). Connect tube assemblies (18) and (20). Connect fitting (19).
Show/hide table
Illustration 3 g00984330 - Position clamp (17) and install bolts (16).
- Repeat Step 3 for the other side.
Show/hide table
Illustration 4 g00984322 - Connect hose assemblies (14) and (15). Connect fitting (13).
Show/hide table
Illustration 5 g00984320 - Connect hose assemblies (11) and (12). Connect fitting (10).
Show/hide table
Illustration 6 g00984315 - Connect hose assemblies (8) and (9). Connect tube assemblies (5), (6), and (7).
Show/hide table
Illustration 7 g00984314 - Position clamps (4) and install bolts (3).
Show/hide table
Illustration 8 g00984591 - Position cover (2) and install nuts (1).
- Fill the hydraulic system with oil. Refer to Operation and Maintenance Manual, "Capacities (Refill)" and Operation and Maintenance Manual, "Lubricant Viscosities".
Show/hide table
Illustration 9 g00277573 - Raise the lift arms off Tooling (A). Remove Tooling (A) and lower the bucket to the ground.
- Release the parking brake.
Show/hide table
![]() | |
Illustration 1 | g00984335 |
End By:
- Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frome Lock - Seperate and Connect".
Information System:
D10R Track-Type Tractor
Hub Oil (Flexxaire Fan) - Change - If Equipped
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Selector and Pressure Control Valve (Pilot) - Remove and Install
D6N Track-Type Tractor Machine Systems
Bulldozer Lift Cylinder (VPAT) - Remove and Install
D6N Track-Type Tractor Machine Systems
Bulldozer Tilt Cylinder (VPAT) - Remove and Install
D6N Track-Type Tractor Machine Systems
Sweeps - Remove and Install
651E and 657E Wheel Tractor-Scrapers Wheel Scraper Power Train
Scraper Wiring Group
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Main Control Valve - Remove
TH350B, TH360B, TH460B and TH560B Telehandlers Engine Supplement
Engine Mount (Rear) - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Pilot Operated Hydraulic Control (Joystick) - Assemble
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Pilot Operated Hydraulic Control (Joystick) - Disassemble
2003/03/10
A Change to the Transmission Cover Requires a New Tube Assembly {3064}
TH350B, TH360B, TH460B and TH560B Telehandlers Engine Supplement
Engine Mount (Rear) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Pressure Reducing Valve (Traction Control System) - Remove and Install
3034 Engine for Caterpillar Built Machines
Pistons and Connecting Rods - Remove - Serrated Connecting Rod
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Pilot Operated Hydraulic Control (Joystick) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Diverter Valve (Quick Coupler) - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Heater Coil - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Pilot Operated Hydraulic Control (Joystick) - Install
2003/03/10
A New Dust Ejector Group for the Exhaust Prevents Loading on the Muffler {1068}
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Heater Coil - Install
3034 Engine for Caterpillar Built Machines
Crankshaft - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Blower Motor (Air Conditioner, Heater) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Blower Motor (Air Conditioner, Heater) - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems
Quick Coupler - Remove