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Maintenance Operation Frequency - Observation
Check the operation of the brakes
and the steering
(1,2)
Vehicle handling qualities not up to
par.
Inspect the vehicle for missing,
damaged, or mislocated noise
shields
Excessive noise emanates from
under the cab or engine
compartment.
Check the engine performance
and the engine governor
Excessive engine noise.
Inspect the fan, the fan shroud,
and the fan clutch
Engine overheats, fans runs at high
speed constantly, excessive fan
noise, or fan wobble due to worn
bearings.
Check for operation of ABS
warning lamp
At each engine start up.
Inspect the entire exhaust system
(including inlet pipe, muffler,
outlet pipe and all exhaust clamps
and fasteners) for holes, leakage,
breakage, looseness and corrosive
damage
Excessive noise or the smell of
fumes is experienced.
Inspect the engine air induction
system (including the air ducts,
the air cleaner, and the air cleaner
element) for loose fitting,
damaged or missing components
Excessive noise emanates from the
engine compartment.
Inspect the tires and check the air
pressure
(3)
Poor steering, wandering or
excessive tire wear.
Balance the wheels and the tires Vibration or abnormal tire wear
indicates imbalance.
Check the front end alignment
(3)
Poor steering, wandering or
excessive tire wear.
Check the transmission and
engine mountings
Excessive vibration.
Check and adjust transmission
controls
(2)
High effort to shift or noisy
transmission.
2009 Low Cab Forward Truck (lcf)
Supplement
USA (fus)
Scheduled Maintenance Guide
190
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