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Page Title:
MAST DOES NOT OPERATE OR OPERATES SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
5. MAST DOES NOT OPERATE OR OPERATES SLOWLY (CONT).
3.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Flowmeter test.
on Page 2-487
tasks completed.
Outriggers operate.
REASON FOR QUESTION
Three valve bank OK.
Are 0 gpm (0 lpm) measured
If erection cylinder piston seals
between MAST valve and lift
POSSIBLE PROBLEMS
are faulty, flow will bypass seals
and cylinder will not operate.
cylinder with mast raised
Erection cylinder faulty.
completely?
Orifice faulty.
Tension link faulty.
Replace erection
cylinder (Para 16-5).
NO
Verify repair, go to
Step 10 of this Fault.
YES
2-486
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