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TM 5-4320-305-10
Table 2-1. Operator's Controls and Indicators - Continued
KEY
CONNECTOR
FUNCTION
16
Restriction indicator
Indicates blockage of air filter. A red indi- cation appears in window to indicate
the need for cleaning or replacement. Indicator is connected to air inlet housing
by a flexible hose. It is actuated by high negative pressure. Indicator can be
reset.
17
Hand brake lever
Used to operate trailer parking brakes. The lever is a snap-over-center locking
actuator. When the parking brakes are released, the hand lever points to the
rear (engine) end of the trailer. The brakes are locked on by pulling the hand
brake lever toward the front of the trailer until it locks into position. The hand
brake lever is pulled toward the rear of the trailer to release parking brakes.
2-5
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