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Page Title:
TRANSMISSION UNUSUALLY NOISY WHEN OPERATING (CONT) |
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 TM 9-2320-366-20-2
f11. TRANSMISSION UNUSUALLY NOISY WHEN OPERATING (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
4.
Main Pressure Test or
Transmission oil level OK.
STE/ICE-R Test #50
Oil not contaminated.
Is 218-276 psi
REASON FOR QUESTION
Operating temperature normal.
(1,503-1,903 kPa)
No codes logged in ECU.
Low main oil pressure causes
present at main oil pressure
PTO engagement OK.
main regulator valve to
tap?
Scavenge pump engagement
oscillate.
OK.
POSSIBLE PROBLEMS
Faulty oil pump.
Faulty flexplate bolts.
Faulty flexplate.
Faulty propeller shafts and /
or universal joints.
Faulty transmission transfer
NO
case,
YES
Notify DS Maintenance.
2-1648
Change 1
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