SEAL-O-RING 3172403 - Caterpillar

NEUTRAL Position
Illustration 1 g00556949
Steering Control Valve in the NEUTRAL Position (1) Pressure reducing valve (2) Pump inlet port (3) Outlet to the hydraulic oil tank (4) Pilot oil port (5) Spool (6) Steering crossover relief valve for the steering cylinders (7) Shuttle valve (8) Springs (9) Retainer (10) Pilot oil port (11) Return oil passage (12) Port for a right turn (13) Passage for the supply oil (14) Port for a left turn (15) Return oil passage (16) Relief valve
Illustration 2 g00558468
The steering control valve is located under the access panel on the left side of the machine.
Illustration 3 g00556952
Steering Control ValveThe steering control valve is located on the left side of the machine beneath the cab. The steering control valve is located under the access door on the left side of the cab platform.Note: Standard steering control valves and standard secondary steering control valves consist of the same basic components. Additionally, standard steering control valves and standard secondary steering control valves have the same basic function, unless there is a loss of primary pump flow.Reference: For information about the operation of the secondary steering control valve, refer to Systems Operation, "Steering Control Valve (with Secondary Steering)" for the machine that is being serviced.Note: The 836G Landfill Compactor may be equipped with either STIC steering or wheel steering. The steering control valve has the same function for either STIC steering or wheel steering.While the engine is running, oil flows from the hydraulic oil tank to the steering pump. The oil then flows to the steering control valve through port (2) .When the STIC steering