TM 5-3895-376-14&P
4-12. ENGINE MAINTENANCE INSTRUCTIONS - Continued
(2)
Check all fuel line connections for signs of
g,
Discard used oil filter in accordance with local
leakage.
policy.
(3)
Check oil drain plug for signs of leakage.
h.
Coat gasket of new oil filter (4) with small
amount of engine lubricating oil.
(4)
Check oil filter for signs of leakage
i.
Threading clockwise, thread oil filter onto fit-
(5)
Check for excessive (smoky) exhaust
ting on front side of engine. Snug fit the oil fil-
ter by hand only enough to prevent leakage.
c.
Stop the engine (Para. 2-7).
j.
Fill engine with engine lubricating oil, (Table 4-
3.
Perform performance check as follows
1).
a.
Remove the v-belt cover (Para. 4-24).
k.
Check oil level with dipstick (3). Oil level must
be at top mark on dipstick. Add oil as neces-
sary to bring to top mark.
WARNING
I.
Ensure the oil fill plug is clean and install the
Operation of the engine without the v-
plug, and tighten firmly to seal gasket.
belt cover installed, exposes mainte-
nance personnel to the v-belt and
centrifugal clutch/pulley in operation.
Keep hands and clothing away from op-
3.
After servicing the engine oil and installing a new
erating clutch and v-belt. Severe injury
oil filter, observe filter for sign of oil leakage.
may result if hands or clothing are
caught in the v-belt.
NOTE
Follow-on tasks include: Return compactor
b.
Start the engine (Para. 2-5), and allow to
to service.
warm up for 2 - 3 minutes.
c.
Using a hand held mechanical tachometer, fit-
ted with a rubber cone tip, which is held
1.
Unit maintenance testing of the engine consists
against the clutch hub at the center hex open-
of an operational check for proper functioning of
ing, to read engine speed in revolutions per
the engine and a performance check of full load
minute (rpm). Move the throttle control to
engine speed.
FULL engine speed and observe reading on
tachometer. A properly performing engine
NOTE
should be operating at a governed speed of
2850 rpm.
Testing of the oil pressure may also be
made by unit maintenance (Para. 4-35).
4.
Report any incident of irregular performance or
functioning of the engine to unit maintenance.
2.
Perform operational test as follows:
NOTE
a.
Start the engine (Para. 2-5), and allow to
warm up for 2 - 3 minutes.
Follow-on tasks include: Install the v-belt
cover (Para. 4-24).
b.
Operate the engine at FULL SPEED throttle
and observe the following:
(1)
Listen for unusual noise.
4-9
