SENR1227
16 Page, UHE
SENR1227
November 1996
928G Wheel Loader
Hydraulic System
928G
6XR1-UP
7SR1-UP
IT28G
8CR1-UP
9AR1-UP
IT28G Integrated Toolcarrier
©
1996 Caterpillar
All Rights Reserved
Printed in U.S.A.
SENR1227
16 Page, UHE
ITEM NO. COMPONENT ITEM NO. COMPONENT
1 Left Steering Cylinder 14 Secondary Steering Pump
2 Right Steering Cylinder 15 Manifold
3 Metering Pump (Steering) 16 Main Control Valves
4 Brake Control Valves 17 Brake Oil / Fan Drive Pump
5 Secondary Steering Relief Valve 18 Steering / Attachment Pump
6 Pressure Reducing Valve 19 Hydraulic Lockout Valve
7 Pilot Oil Accumulator 20 Auxillary Pilot Control Valve
8 Auxillary Cylinders 21 Tilt Pilot Control Valve
9 Tilt Cylinder 22 Lift Pilot Control Valve
10 Lift Cylinders 23 Hydraulic Tank and Strainers
11 Ride Control Solenoid Valve 24 Fan Motor
12 Ride Control Accumulators 25 Hydraulic Oil Cooler
13 Brake Oil Accumulators 26 Main Hydraulic Filter
928 HYDRAULIC SCHEMATIC
ITEM NO. COMPONENT ITEM NO. COMPONENT
1 Left Steering Cylinder 15 Secondary Steering Pump
2 Right Steering Cylinder 16 Manifold
3 Metering Pump (Steering) 17 Main Control Valves
4 Pressure Reducing Valve 18 Brake Oil / Fan Drive Pump
5 Pilot Oil Accumulator 19 Steering / Attachment Pump
6 Coupler Cylinder 20 Hydraulic Lockout Valve
7 Diverter Valve 21 Auxillary Pilot Control Valve
8 Tilt Cylinder 22 Coupler Pilot Control Valve
9 Lift Cylinders 23 Tilt Pilot Control Valve
10 Ride Control Solenoid Valve 24 Lift Pilot Control Valve
11 Ride Control Accumulators 25 Hydraulic Tank
12 Brake Control Valves 26 Fan Motor
13 Secondary Steering Relief Valve 27 Hydraulic Oil Cooler
14 Brake Oil Accumulators 28 Main Hydraulic Filter
928 HYDRAULIC SCHEMATIC