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Page Title:
BOOM DOES NOT TELESCOPE IN OR TELESCOPES IN SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
11. BOOM DOES NOT TELESCOPE IN OR TELESCOPES IN SLOWLY (CONT).
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Flowmeter test.
on Page 2-557
Are 0 gpm
tasks completed.
(0 lpm)
Boom telescopes out.
REASON FOR QUESTION
Four valve bank is OK.
measured at
If piston seals are faulty in
four valve bank with cylinder
telescope cylinder that is active
POSSIBLE PROBLEMS
on cab side of boom isolated
(not isolated from circuit), more
from (disconnected)
than 0 gpm (lpm) will be
Telescope cylinder faulty.
telescope circuit?
measured. If piston seals are
faulty in cylinder that is isolated
from (disconnected) circuit, 0
gpm (lpm) will be measured.
Replace telescoped
cylinder on Load
Handling System
NO
(LHS) side of boom
(Para 16-10).
Verify repair, go to
Step 5 of this Fault.
YES
Replace telescope
cylinder on cab side
of boom (Para 16-10).
Verify repair, go to
Step 5 of this Fault.
2-556
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