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 113 of 644
TROUBLESHOOTING PROCEDURES - BUMP STOPS INOPERATIVE - Continued
STEP
2.
Perform mechanical binding check.
a.
Clear debris from area of bump stop (Figure 2, Item 1).
b.
Start engine and allow to run for at least two minutes to build up hydraulic pressure.
c.
Have assistant shift SPRUNG/UNSPRUNG lever to SPRUNG, then to UNSPRUNG. Repeat several
times.
d.
Check for free movement of bump stop cylinder (Figure 2, Item 3), cylinder rod connecting pin
(Figure 2, Item 2), and bump stop (Figure 2, Item 1).
e.
Check for missing or damaged components including cylinder rod (Figure 2, Item 3), cylinder rod
connecting pin (Figure 2, Item 2), and bump stop (Figure 2, Item 1).
3
T00704HDC
1
2
Figure 2.
Left Front Bump Stop.
f.
Leave SPRUNG/UNSPRUNG lever in SPRUNG to support later test.
CONDITION/INDICATION
Is bump stop cylinder jammed or binding?
DECISION
YES - Free bump stop or replace damaged components (TM 5-2350-262-20).
NO - Go to Step (3).
TM 5-2350-378-23&P
0009
0009-3
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