TM 5-3825-229-14&P
4-46. SERVICE ENGINE (cont)
a.
Change oil.
(1)
Place drain pan under drain plug.
(2)
Remove drain plug (1). Discard or recycle
drained oil.
(3)
Install drain plug (1) and tighten securely. Do not
overtighten.
(4)
Remove oil filter element (2) and install new
element.
(5)
Fill crankcase with correct type of oil (see para 3-
2).
CAUTION
Do not start pump engine unless distributor pump
is primed. Refer to para. 4-16 to prime pump.
(6)
Run engine. Check for oil leaks around filter
element and drain plug.
(7)
Stop engine so that oil can drain down. Check oil
level: oil level should be at FULL mark.
Changing Engine Oil
b.
Check Oil Level.
(1)
Remove dipstick (3) from dipstick tube (4) and
wipe oil from dipstick.
(2)
Insert dipstick and remove again.
(3)
Oil on dipstick should read between ADD and
FULL marks. If oil is at or below ADD mark, add
oil until dipstick reads FULL.
(4)
Insert dipstick back into engine.
c.
Drain antifreeze.
(1)
Make sure engine is level to ensure complete
draining.
Checking Oil Level
WARNING
Pressurized coolants have higher boiling point than water. NEVER open radiator filler cap when
coolant temperature is above 212°F (100C) or while engine is running.
4-90
