W 100 Pickup V8-318 5.2L (1985)
Steering Gear: Description and Operation
Power Steering Gear
Constant Control Type Power Steering Gear
The Constant Control Full Time Power Steering consists of a hydraulic pressure pump, a power steering gear and connecting hoses. The power
steering gear consists of a gear housing, containing a gear shaft and sector shaft, a power piston with gear teeth milled into the side of the piston
which is in constant mesh with the gear shaft sector teeth, and a worm shaft which connects the steering wheel to the power unit piston through a
coupling. The worm shaft is geared to the piston through recirculating ball contact, and the steering valve which is mounted on top of the steering gear
directs system fluid flow.
Saginaw Rotary Valve Power Gears
Fig. 1 Steering gear identification
Fig. 2 Model 800-808 Saginaw steering gear