TM 9-2320-366-10-1
2-12. WRECKER CONTROLS AND INDICATORS (CONT)
Figure 2-24. Wrecker Control Panel Fixed Operators Station (Cont)
9. PRIMARY CIRCUIT SELECTOR VALVE Lever. Lever is placed in the CRANE
position to operate the MHC. In this position the underlift assembly and 30K
winches will not operate. Lever is placed in the WRECKER position to operate
underlift assembly and 30K winches. In this position the MHC will not operate.
10. SECONDARY CIRCUIT SELECTOR VALVE Lever.
Used when PRIMARY
CIRCUIT SELECTOR VALVE lever is in the WRECKER position. This lever
controls which bank of hydraulic control levers on the WRECKER CONTROL
PANEL will operate. When the lever is positioned to RH WINCH, the lower bank
of hydraulic control levers will operate: MAIN WINCH RH, UNDERLIFT FOLD,
UNDERLIFT, and STINGER. When the lever is positioned to LH WINCH, the upper
bank of hydraulic control levers will operate: MAIN WINCH LH, STIFFLEG LH, and
STIFFLEG RH.
11. SLAVE SYSTEM PRESSURE PORT. Hydraulic pressure port for supply hose
connection when providing hydraulic power to another vehicle.
12. SLAVE SYSTEM RETURN PORT. Hydraulic return port for return hose connection
when providing hydraulic power to another vehicle.
13. STINGER Lever. Extends and retracts the stinger.
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