TM 9-2320-366-10-12-11. TRACTOR CONTROLSTractor Controls. Figure 2-23 shows all controls on the tractor fifth wheel.Figure 2-23. Tractor Fifth Wheel Controls1. Secondary Lock Release Handle. Unlocks fifth wheel coupler jaws and allowsthem to be opened with primary lock release handle. Coupler jaws unlock whenhandle is pulled.2. Primary Lock Release Handle. Opens fifth wheel coupler jaws. Coupler jawsopen when handle is pulled.CAUTIONEnsure fifth wheel is in forward most position at all times except for airor ship transport TM 9-2320-366-10-2. Failure to comply may resultin damage to equipment.3. Slide Release Lever. Unlocks/locks fifth wheel when fifth wheel must be able toslide to the rear or slide to the front.Change 1 2-31
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