operators_manual

NOTE
Keep the engine exhaust system and
the vehicles cab ventilation system
properly maintained. It is recommend-
ed that the vehicles exhaust system
and cab be inspected (1) By a compe-
tent technician every 15,000 miles
(24,140 km) (2) Whenever a change is
noticed in the sound of the exhaust
system (3) Whenever the exhaust sys-
tem, underbody, or cab is damaged.
Check Engine Oil Level
Refer to the engine manufacturer's Engine
Operation and Maintenance Manual
supplied with your vehicle for information
about draining and refilling engine oil,
engine crank case capacity, engine oil
type, and changing oil filters, etc.
WARNING
Hot engine oil can be dangerous. You
could be burned. Let the engine oil
cool down before changing it. Failure
to comply may result in death, person-
al injury, equipment or property dam-
age.
NOTE
It takes approximately 15 minutes for
all the oil to run into the sump when
the engine is ‘warm.’ If the level is
checked immediately after switching
off the engine, the dipstick will show a
low oil level.
1. Make sure that the vehicle frame
rail is standing on a flat and level
surface.
2. Make sure that the vehicle is
horizontal, both lengthwise and
crosswise. Check this carefully on
a vehicle with air suspension. Note
that the engine may be inclined up
to 4° depending on the vehicle
model and wheelbase.
3. Twist the dipstick handle to unlock
it, then pull the dipstick out of the
holder.
4. Wipe the dipstick clean with a lint-
free cloth.
5. Place the dipstick back into the
holder.
6. Pull the dipstick out again and
check the oil level. The oil level
MAINTENANCE - Engine Maintenance
238 Y53-6047-2HEN (03/18)
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