TM-9-2320-428-10

TRUCK, CARGO, 8X8, M977

TECHNICAL MANUAL; OPERATOR'S MANUAL

JUNE 2009
TM-9-2320-428-10

  TM-9-2320-428-10 - Page 127 of 1072

OPERATOR MAINTENANCE
STEERING SYSTEM
POWER STEERING HYDRAULIC SYSTEM
Power is supplied to the main steering gear (1) by an engine-driven pump (2).
Figure 1.
The fluid reservoir (3) is shared with the main hydraulic system.
The steering wheel (4), which is mechanically linked to the main steering gear (1), rotates
a gear that positions a spool in the main steering gear.
This motion is hydraulically transmitted to a piston in the slave gear (5) causing it to follow
the rotation of the main gear.
The main gear pitman arm (6) is mechanically connected to the slave gear pitman arm (7).
TM 9-2320-428-10
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