TM 5-2350-262-20-3
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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 actuator of front corner which
will not raise.
Have suitable container ready to catch oil.
Stop engine, relieve hydraulic pressure, remove all test equipment and connect lines.
Disconnect NO. 1 SPNSN UNIT-3 hose (1).
Connect tee (2) and pressure measuring device (3) between NO 1 SPNSN UNIT-3 hose
(1) and port 3 on No. 1 actuator (4).
Start engine. Read pressure measuring device (3).
Stop engine; relieve hydraulic pressure.
Remove all test equipment and connect lines.
LINE IDENTIFIERS:
1. CONT VLV-3L
2. CONT VLV-3R
3. LH MAIN MANF TOP-3L
4. RH MAIN MANF TOP-3R
5. LH MAIN MANF BOT-3L
6. RH MAIN MANF BOT-3R
7. LH MAIN MANF FRONT-3L
8. RH MAIN MANF FRONT-3R
9. LH FWD MANF-3L
10. RH FWD MANF-3R
11. FWD NAMF ADPTR-3
12. NO 1 SPNSN UNIT-3
CIRCUIT 3 HOSES AND LINES BLOCKAGE CHECK
Check for blockage in all hoses and lines applicable to corner of vehicle which will not
raise.
A previous task was incorrectly performed or results misinterpreted. Verify results of
all previous tests, beginning at block 1.
3-101
