TM-5-2350-378-23-P
ARMORED COMBAT EARTHMOVER (ACE), M9; HYDRAULIC DIAGNOSTIC CENTER
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2012
TM-5-2350-378-23-P - Page 140 of 644
EJECTOR DOES NOT EXTEND OR RETRACT - Continued
STEP
5.
Perform main relief valve adjustment, using HDC.
a.
Main relief valve adjustment.
(1)
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 8, Item 5) on HDC
control box.
(2)
Disable ejector by manually closing ejector inhibit ball valve V23 (Figure 7, Item 1) on DCV bank.
1
T00910HDC
Figure 7.
Directional Control Valve (DCV) Bank.
(3)
Using LINE UP or LINE DOWN button (Figure 8, Item 3), select V1 on HDC display
(Figure 8, Item 2).
(4)
Close V1 on HDC display (Figure 8, Item 2) by selecting CHANGE POSITION button
(Figure 8, Item 4) on HDC control box.
b.
Main relief valve 13L.
(1)
With the SPRUNG/UNSPRUNG lever still in SPRUNG, have assistant start engine and move left-
hand SUSPENSION CONTROL lever to RAISE, while at the same time, holding EJECTOR
CONTROL lever in BACK.
(2)
Read transducer T-4 hydraulic pressure on HDC display (Figure 8, Item 1).
TM 5-2350-378-23&P
0011
0011-8
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