TM 5-2350-378-23&P
0010
EJECTOR CREEPS - Continued
b.
Disable ejector by manually closing ejector inhibit ball valve V23 (Figure 3, Item 1) on HDC bank.
1
T00805HDC
Figure 3. Directional Control Valve (DCV) Bank.
(1)
Using LINE UP or LINE DOWN button (Figure 4, Item 3), select V1 on HDC display
(Figure 4, Item 2).
(2)
Close V1 on HDC display (Figure 4, Item 2), by selecting CHANGE POSITION button
(Figure 4, Item 4) on HDC control box.
(3)
Select V12 on HDC display (Figure 4, Item 2).
(4)
Close V12 on HDC display (Figure 4, Item 2), by selecting CHANGE POSITION button
(Figure 4, Item 4) on HDC control box.
(5)
Select V20 on HDC display (Figure 4, Item 2).
(6)
Open V20 on HDC display (Figure 4, Item 2), by selecting CHANGE POSITION button
(Figure 4, Item 4) on HDC control box.
(7)
Select V13 on HDC display (Figure 4, Item 2).
(8)
Close V13 on HDC display (Figure 4, Item 2) by selecting CHANGE POSITION button
(Figure 4, Item 4) on HDC control box.
c.
Start engine and hold EJECTOR CONTROL lever in FORWARD or BACK position until transducer T-2
hydraulic pressure on HDC display (Figure 4, Item 1) indicates 1,950-2,050 psi (13,445-14,135 kPa).
d.
Release EJECTOR CONTROL lever to NEUTRAL position, allow hydraulic pressure to stabilize for thirty
seconds, then time the pressure loss for one minute.
e.
If pressure loss is greater than 100 psi (690 kPa) per minute, oil is leaking excessively past the ejector
control valve spool.
f.
Stop engine and relieve hydraulic pressure.
g.
Enable ejector by manually opening ejector inhibit ball valve V23 (Figure 3, Item 1) on DCV bank.
h.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 4, Item 5) on HDC control
box.
