Components of the Hydraulic System
- Hydraulic Tank
- Hydraulic Oil Temperature Sensor
- Implement/Steering Hydraulic Pumps
- Implement ECM
- Implement Lockout Switch
- Electrohydraulic Control
- Lift Cylinder
- Pressure Reducing Valve (Pilot Oil)
- Manual Lower Valve
- Implement On/Off (Pilot Shutoff Solenoid)
- Pressure Reducing Valve for Dead Engine Lower
- Pilot Accumulator
- Implement/Steering Control Valve
- Pump Case Drain Oil Filters
- Hydraulic Oil Filters
- Hydraulic Oil Cooler
Illustration 1 | g03682695 |
The hydraulic tank is located on the right side of the machine behind guarding.
Hydraulic Oil Temperature Sensor
Illustration 2 | g03682704 |
The hydraulic oil temperature sensor is located on the back side of the hydraulic tank near the bottom of the tank.
Illustration 3 | g03706219 |
(1) Implement pump
(2) Piston Pump (Brake Charging) (3) Steering pump (4) Transmission pump |
The hydraulic pumps are located under the walkway behind the cab.
Illustration 4 | g03370104 |
The implement ECM is located on the lower back wall of the cab. Access is gained to the implement ECM from the inside of the cab.
Illustration 5 | g03370107 |
The implement lockout switch is located on the right-hand console forward of the key switch.
Illustration 6 | g03370111 |
Illustration 7 | g03370116 |
Illustration 8 | g03370137 |
Pressure Reducing Valve (Pilot Oil)
Illustration 9 | g03706283 |
The pressure reducing valve (pilot oil) is located on the forward section of the hydraulic tank. The pressure reducing valve is the top valve on the highlighted block.
Illustration 10 | g03683386 |
The pilot accumulator is located under the cab on the left-hand side of the machine.
Illustration 11 | g03370224 |
The implement/steering control valve is located under guarding on the front of the machine.
Implement Pilot Control Solenoids
Illustration 12 | g03683479 |
(1) Lift rod end solenoid
(2) Lift head end solenoid (3) Tilt head end solenoid (right tilt cylinder 824K and 825K only) (4) Tilt rod end solenoid (right tilt cylinder 824K and 825K only) (5) Tilt head end solenoid (left tilt cylinder 824K only) (6) Tilt rod end solenoid (left tilt cylinder 824K only) (7) Directional spools for dead engine lower |
Hydraulic Oil Return Filters and Screens
Illustration 13 | g03683531 |
(1) Primary hydraulic oil filter
(2) Secondary steering return screen (824 only (3) Case drain return screen (4) Pilot and brake return screen |
The hydraulic oil return filters and screens are located in the tank.
Illustration 14 | g03683526 |
The pump case drain oil filter is located on the right-hand side of the machine.
Illustration 15 | g03683523 |