TM 5-2350-378-23&P
0013
FRONT CORNER (LEFT OR RIGHT) RAISES IN UNSPRUNG, BUT NOT SPRUNG MODE - Continued
STEP
6.
Perform raise front corner test.
NOTE
Have suitable container ready to catch oil.
a.
Disconnect SPNSN UNIT-2 hose (Figure 3, Item 1) from port 2 (Figure 3, Item 2) on No. 1 actuator
(Figure 3, Item 3).
b.
Cap and plug port 2 (Figure 3, Item 2) and SPNSN UNIT-2 hose (Figure 3, Item 1).
1
3
2
T01105HDC
Figure 3. No. 1 Right Actuator.
c.
Start engine. Move SPRUNG/UNSPRUNG lever to SPRUNG mode.
d.
Stop engine; relieve hydraulic pressure and connect hoses.
CONDITION/INDICATION
Does corner raise?
DECISION
YES - Replace No. 2 actuator (TM 5-2350-262-20).
NO - Replace No. 1 actuator (TM 5-2350-262-20).
STEP
7.
Perform front actuator pressure test using HDC.
a.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 4, Item 5) on HDC control
box.
b.
For front left:
(1)
Using LINE UP or LINE DOWN button (Figure 4, Item 3), select V3 on HDC display
(Figure 4, Item 2).
(2)
Close V3 on HDC display (Figure 4, Item 2) by selecting CHANGE POSITION button
(Figure 4, Item 4) on HDC control box.
c.
Have assistant start engine and move SPRUNG/UNSPRUNG lever to UNSPRUNG mode.