TM 5-2350-378-23&P
0008
APRON WILL NOT RAISE - Continued
2
1
3
T00606HDC
Figure 5. Apron Control Pressure Relief Valve.
i.
Read transducer T-1 hydraulic pressure on the HDC display (Figure 4, Item 1).
j.
Have assistant hold APRON CONTROL lever in UP position.
k.
Rotate valve adustment (Figure 5, Item 2) clockwise to increase pressure, counterclockwise to decrease
pressure, until hydraulic pressure is a minimum of 3,500 psi (24,131 kPa).
l.
When transducer T-1 hydraulic pressure on the HDC display (Figure 4, Item 1) indicates 3,500 psi
(24,131 kPa); tighten jam nut (Figure 5, Item 1).
m.
Stop engine; relieve hydraulic pressure.
n.
Manually open ejector inhibit ball valve V23 (Figure 6, Item 1) on the DCV bank.
1
T00611HDC
Figure 6. Hydraulic Diagnostic Center (HDC) Control Box.