TM 5-2350-378-23&P
0007
APRON AND LEFT-HAND WHEEL CONTROL INOPERATIVE - Continued
(Figure 5, Item 4) on the HDC control box.
c.
Ensure right main hydraulic pressure inhibit valve V21 (Figure 6, Item 1) is fully open.
1
2
T00509HDC
Figure 6. Directional Control Valve (DCV) Bank.
d.
Have assistant start engine and allow engine to idle (750800 rpm).
e.
Slowly close right main hydraulic pressure inhibit valve V21 (Figure 6, Item 1) until transducer T-3 on the
HDC display (Figure 5, Item 1) indicates 3,950-4,050 psi (27,235-27,925 kPa).
f.
Open right main hydraulic pressure inhibit valve V21 (Figure 6, Item 1).
g.
Stop engine; relieve hydraulic pressure.
h.
Open ejector inhibit ball valve V23 (Figure 6, Item 2) on the DCV bank.
i.
Reset all HDC solenoid valves by selecting the RESET VALVES button (Figure 5, Item 5) on the HDC
control box.
CONDITION/INDICATION
Does pressure transducer T-3 indicate main hydrualic pump develops 3,950-4,050 psi (27,235-27,925 kPa)?
DECISION
YES - Replace Directional Control Valve (DCV) bank (TM 5-2350-262-20).
NO - Notify Direct Support maintenance to replace main hydraulic pump.
END OF WORK PACKAGE
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03/15/2011Rel(1.8)root(tswp)wpno(T00005)