Preventative Maintenance
Preventive maintenance begins with the
daily checks listed in your vehicle
operator's manual. Routine vehicle checks
can help avoid many large, expensive, and
time consuming repairs, and will contribute
to better, safer, and longer vehicle
operation. Neglect of recommended
maintenance can void your vehicle’s
warranty. Some maintenance operations
demand skills and equipment you may not
have. For such situations, please take your
vehicle to a PACCAR Powertrain
distributor.
WARNING
Before attempting any procedures in
the engine compartment, stop the en-
gine and let it cool down. Hot compo-
nents can burn skin on contact. Failure
to comply may result in death, person-
al injury, equipment or property dam-
age.
WARNING
If the engine must be running to in-
spect, be
alert and cautious around
the engine at all times. Failure to com-
ply may result in death, personal in-
jury, equipment or property damage.
WARNING
If work must be done with the engine
running, always
• Ensure that the transmission is
in Neutral (N
) (or Park (P))
• Set the parking brake
• Block the wheels
Failure to comply may result in death,
personal injury, equipment or property
damage.
WARNING
Exercise extreme caution to prevent
neckties, jewelry
, long hair or loose
clothing from getting caught in the fan
blades or other moving engine parts.
Failure to comply may result in death,
personal injury, equipment or property
damage.
WARNING
Always support the vehicle with appro-
priate safety
stands if it is necessary to
work underneath the vehicle. A jack is
not adequate for this purpose. Failure
to comply may result in death, person-
al injury, equipment or property dam-
age.
MAINTENANCE - Preventative Maintenance
Y53-1349-1A1 (02/2022) 45
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