MAINTENANCE, LUBRICATION AND SERVICE
ENGINE OIL
CAUTION
Always dispose of all lubricants (motor oil,
coolant, gear box oils, etc.) and lters
according to Federal and local regulations.
Used oil disposed of in nature or
waterways contaminates our drinking
water and kills wildlife.
CAUTION
Prolonged contact with used engine oil
may be harmful. Use rubber gloves when
handling used oil. Wash skin thoroughly if
it comes in contact with used oil.
It is important to drain as much oil as
possible. Try to change oil immediately
after driving, when the oil is warm.
Always replace the oil lters when
changing oil.
Oil Filters Change
WARNING
Hot oil can cause severe burns. DO NOT
allow hot oil to contact the skin. When
changing oil, wear protective gloves.
CAUTION
Mack-branded oil lters are designed to
provide the proper level of ltration and
protection for Mack engines. Filters that
do not meet the same stringent
requirements may cause unsatisfactory
results.
1
Coat the lter gasket with oil.
2
Install the lter and turn it by hand
until the gasket makes contact with
the sealing surface.
3
Manually turn the lter an additional
3/4 to one full turn.
Checking Oil Level
NOTE
DO NOT let the oil level fall below the
marking on the dipstick. DO NOT overll
so the level is above the upper marking on
the dipstick. This could lead to excessive
oil temperature and/or poor crankcase
breather performance.
Ensure that the vehicle is parked on level
ground before checking the oil level.
Wait ve minutes after shutting off the
engine, then proceed with checking oil.
1 Oil Dipstick
247
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