PART 8: MAINTENANCE AND SERVICE
PB1319 (CAT. NO. 5296 ) —115— 22-01691 (R02/02)
Lubricant Specifications
In this section you will find the basic information you need to do the
routine lubrication your vehicle requires. Of course you will want to
schedule service more frequently if you are operating under severe
conditions such as extreme heat or cold, with very heavy loads, off-
road, etc. For any special service requirements, consult your service
manuals and your lubricant supplier. And please remember: one key
to keeping your vehicle running at top economy and in prolonging its
life is proper lubrication servicing. Neglecting this essential aspect of
vehicle care can cost time and money in the long run.
Engine
Proper engine lubrication depends on the outside temperatures
where you will be driving. Use the oil recommended for the condi-
tions you are most likely to be facing. You will find a complete engine
lubrication service guide in the Engine Operation Manual that came
with your vehicle. There, the engine manufacturer explains more fully
all the maintenance operations that you — and a qualified service
mechanic — need to perform on your engine.
WARNING! Handle lubricants carefully. Vehicle lubricants
(oil and grease) are poisonous and can cause sickness.
They can also damage the paint on the vehicle.
CAUTION: Do not mix different types of lubricants. Mixing
lubricants (oil and grease) of different brands or types
could damage vehicle components; therefore, drain (or
remove) old lubricants from the unit before refilling it.
WARNING! Exhaust fumes from the engine contain carbon
monoxide, a colorless and odorless gas. Do not breathe the
engine exhaust gas. A poorly maintained, damaged or cor-
roded exhaust system can allow carbon monoxide to enter
the cab or sleeper. Entry of carbon monoxide into the cab is
also possible from other vehicles nearby. Failure to properly
maintain your vehicle could cause carbon monoxide to enter
the cab/sleeper and causes serious illness.
CAUTION: Never idle your vehicle for prolonged periods of
time if you sense that exhaust fumes are entering the cab
or sleeper. Investigate the cause of the fumes and correct it
as soon as possible. If the vehicle must be driven under
these conditions, drive only with the windows slightly
open. Failure to repair the source of the exhaust fumes may
lead to personal harm.
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