TM-5-2350-378-24-P

HYDRAULIC DIAGNOSTIC CENTER (HDC) SUPPORTING ARMORED COMBAT EARTHMOVER (ACE), M9

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST

TM-5-2350-378-24-P - Page 376 of 790

TM 5--2350--378--24&P

0016 00--73

HYDRAULIC OIL OVERHEATS -- Continued

0016 00

Figure 52. Compensating Pump

CASE DRAIN LEAKAGE TEST

WARNING

Before performing any hydraulic troubleshooting in bowl, move

ejector forward and engage the ejector lock. Failure to comply may

result in severe injury or death to personnel.

NOTE

S

Have a graduated container of at least 2 qts (1.9L) capacity available to

catch hydraulic oil while test is being performed.

S

Have suitable container ready to catch oil.

Start engine, move ejector forward.

Stop engine, engage ejector lock, and relieve hydraulic pressure.

Disconnect SPNSN PUMP--9 hose (Figure 52, item 3) from elbow (Figure 52, item 4) on

compensating pump (Figure 52, item 2). Cap elbow (Figure 52, item 4) and plug hose

(Figure 52, item 3).

Disconnect SPNSN PUMP DRAIN--7V hose (Figure 52, item 5) from elbow (Figure 52,

item 1). Plug hose (Figure 52, item 5). Connect drain hose (Figure 52, item 6) to elbow

(Figure 52, item 1).

Hold end of drain hose (Figure 52, item 6) in graduated container.

Have assistant start engine and run at 1,800 rpm for 15 seconds. Observe the quantity

of hydraulic oil in container.

Stop engine; relieve hydraulic pressure and connect hoses.