TM 5-2350-262-20-3
NO. 1 ACTUATOR PRESSURE TEST
WARNING
Do not work under vehicle unless hull has been properly blocked
or allowed to settle on bump stops. Failure to comply may result
in severe injury or death to personnel.
NOTE
This test is performed at No. 1 front actuator which will not
raise.
Have suitable container ready to catch oil.
Stop engine; relieve hydraulic pressure. Disconnect NO 1 SPNSN UNIT-11 hose (1) from
port 11 on No. 1 actuator (2). Cap port 11.
Connect pressure measuring device (3) to NO 1 SPNSN UNIT-11 hose (1).
Start engine and move SPRUNG/UNSPRUNG lever to UNSPRUNG. Read pressure
measuring device (3).
Stop engine; relieve hydraulic pressure. Remove all test equipment and connect hose.
LINE IDENTIFIERS:
1. SPR-UNSPR VLV-11
2. LH MAIN MANTOP-11
3. LH MAIN MANF FRONT-11
4. LH MAIN MANF BOT-11
5. RH MAIN MANF BOT-11
6. RH MAIN MANF FRONT-11
7. RH FWD MANF-11
8. LH FWD MANF-11
9. FWD MANF-11ELB
10. NO. 1 SPNSN UNIT-11
CIRCUIT 11 HOSES AND LINES BLOCKAGE CHECK
Check for blockage in all hoses and lines applicable to corner of vehicle which will not raise.
Notify Direct Support maintenance.
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