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TM 10-3930-65 1 4&P
(5)
CHECKING FUEL LINES (HOSES, PIPINGS,)
CONNECTIONS, etc.) FOR LEAKS
Check fuel lines for loose connections, cracks and
deterioration. Retighten loose connections; if necessary,
replace any damaged or faulty parts.
(6)
ACCELERATING PUMP OPERATION
With the engine stopped, open the completely closed
throttle valve rapidly to the maximum extent, and check
that there is injection from the pump jet.
4-1-3-5 LUBRICANT AND
COOLING SYSTEM
(1)
REPLACING OIL FILTER
WARNING
Fuel and oil are slippery and can cause falls. To
avoid injury, wipe up spilled fuel or oil with rags.
The oil filter is a full-flow cartridge type. The oil filter
element is sealed in the container as a unit. It can be
easily removed by hand with a filter wrench
(1)
Check for oil leaks at packing flange. If any
leakage is discovered. tighten a little. or replace oil filter
assembly using an oil filter wrench. When installing an
oil filter, fasten it to engine block by hand.
(2)
The oil filter element should be replaced at
recommended intervals.
Note:
a Do not overtighten filter, or oil leakage may occur.
b. When assembling, first oil the seal ring lightly.
(2)
CHANGING ENGINE OIL
WARNING
Fuel and oil are slippery and can cause falls. To
avoid injury, wipe up spilled fuel or oil with rags.
(1)
Check if engine oil has deteriorated by invading
cooling water or gasoline. Drain and refill oil, if
necessary.
(2)
Draining is best done after a good run, when the
oil. being thoroughly warm, will flow readily and freely
and any foreign matter will be held in suspension.
Place a large bowl or other shallow container under
the engine. Then remove the oil pan drain plug. Do this
carefully, as the oil will be hot and it will spun out with
some force. After completely draining the dirty oil.
securely replace the oil drain plug and finally refill the
engine in the usual way up to the "H" mark on the
dipstick. Make sure that the truck is on a level surface
while draining and filling the engine.
Note:
a. A milky oil indicates the presence of cooling
water.
Discover
the
cause
and
make
necessary
correction.
b. An oil with extremely low viscosity suggests
dilution with gasoline.
Discover the cause and make necessary correction.
(3)
Check oil level, and if it is below the specified
level, add oil of the same grade up to the H level.
Oil capacity of engine
(including oil filter):
Maximum (H level)
4.2 liters (41/2 US qt,
3 1/4 Imp qt)
Minimum (L level)
3.5 liters (3314 US qt,
3’/s Imp qt)
4 - 14
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