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 244 of 644
HYDRAULIC OIL OVERHEATS - Continued
CONDITION/INDICATION
Can main accumulator be charged to 1,750-1,850 psi (12,066-12,756 kPa)?
DECISION
YES - Remove all test equipment and connect hoses. Verify problem is solved.
NO - Remove all test equipment and connect hoses. Replace main accumulator (TM 5-2350-262-20).
STEP
29.
Perform case drain leakage test.
WARNING
Before performing any hydraulic troubleshooting in the bowl, move ejector forward and
engage the ejector lock. Failure to comply may result in severe injury to personnel.
NOTE
•
Have a graduated container of at least 2 qts (1.9 L) capacity available to catch
hydraulic oil while test is being performed.
•
Have suitable container ready to catch oil.
a.
Start engine, move ejector forward.
b.
Stop engine, engage ejector lock, and relieve hydraulic pressure.
c.
Disconnect SPNSN PUMP DRAIN-9 hose (Figure 37, Item 3) from elbow (Figure 37, Item 4) on
compensating pump (Figure 37, Item 2). Cap elbow (Figure 37, Item 4) and plug hose
(Figure 37, Item 1).
d.
Disconnect SPNSN PUMP DRAIN-7V hose (Figure 37, Item 5) from elbow (Figure 37, Item 1). Plug hose
(Figure 37, Item 5).
e.
Connect drain hose (Figure 37, Item 6) to elbow (Figure 37, Item 1).
f.
Hold end of drain hose (Figure 37, Item 6) in graduated container.
TM 5-2350-378-23&P
0015
0015-42
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