TM 9-2320-272-24-1
l-20. CONTROL SYSTEM OPERATION (Contd)
d. Steering System Operation.
The steering system is identical for all models covered in this manual. It is a hydraulically-assisted system
that provides ease of turning and control for the operator. Major components of the steering system are:
K e y Item and Function
1 OIL RESERVOIR AND STEERING PUMP - Combined in one unit, the reservoir serves as an oil
fill point and the pump creates pressure.
2 ACCESSORY DRIVEBELTS - Transmit mechanical power from accessory drive pulley to steering
pump pulley to drive the steering pump.
3 STEERING WHEEL - Serves as manual steering control for operator.
4 STEERING COLUMN UNIVERSAL JOINT - Connects, at an angle, the steering wheel column
and input shaft of power steering gear.
5 POWER STEERING ASSIST CYLINDER - Receives hydraulic pressure from steering gear to
assist in turning front wheels.
6 STEERING KNUCKLE - Serves as pivot point and link for front wheels from tie rod assembly.
7 TIE ROD ASSEMBLY - Connects steering knuckles so both wheels turn at the same time.
8 STEERING ARM - Connects drag link to steering knuckle.
9 DRAG LINK - Transmits movement from steering arm to pitman arm.
11 STEERING GEAR - Converts hydraulic pressure from steering pump to mechanical power at
pitman arm.
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