TM-5-2350-262-20-3

ARMORED COMBAT EARTHMOVER (ACE), M9

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL; VOLUME 3 OF 3; HYDRAULIC TROUBLESHOOTING TEST PROCEDURES

TM-5-2350-262-20-3 - Page 108 of 319

3-73

TM 5-2350-262-20-3

MAIN HYDRAULIC PUMP PRESSURE TEST

WARNING

Before performing any troubleshooting in bowl, move ejector

forward and disable it from hydraulic system. Failure to comply

may result in severe injury or death to personnel.

Ensure globe valve is fully opened prior to starting vehicle. A fully

or partially closed valve

will cause immediate high pressure.

Failure to comply may result in damage to equipment and injury to

personnel.

•

Disconnect tee (4) from 13R high pressure filter inlet port, install coupling tube (2), globe

valve (3), tee (4), and pressure measuring device (5) between HYDR FLTR-IN-13R hose

(6) and high-pressure filter inlet port 13R.

•

Have assistant start engine and allow to idle. Slowly close globe valve (3) until pressure

reaches 3,950-4,050 psi (27,235-27,925 kPa).

•

Open globe valve (3). Stop engine; relieve hydraulic pressure. Remove all test equipment

and connect hoses.

Refer to TM 5-2350-262-20-2

NOTE

Have suitable container ready to catch oil.