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TM 10-3930-669-34
COMPRESSION TEST
(1)
Remove one glow plug at a time in sequence
(TM 10-3930-669-20).
(2)
Connect a compression gauge to cylinder.
(3)
With the aid of an assistant using retainer, crank
engine and observe pressure gauge.
(a)
If less than 363 psi (2,500 kPa) is
measured,
cylinder
is
faulty.
Perform Step (4) and (5) below and
go to Step 3 of this Fault.
(b)
If 363 to 435 psi (2,500 - 2,990
kPa) is measured, repeat Steps (2)
through (4) for remaining cylinders.
If all cylinders are OK, fault not
corrected.
Perform
Steps
(4)
through
(6)
below
and
notify
supervisor.
(4)
Remove compression gauge from cylinder.
(5)
Install glow plug.
(6)
Install cab (TM 10-3930-669-20).
2-65
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