Item 20 - Fuel Injectors and Valve Clearance
Check the injector timing and exhaust valve clearance
height adjustment between the injector follower and
injector body is of primary importance to emission
Item 21 - Alternator
Inspect the terminals for corrosion and
connections and the wiring for frayed insulation.
The alternator has sealed bearings and no lubrication is
The slip rings and brushes can be inspected through the
Item 25 - Thermostats and Seals
end frame assembly. If the slip rings are dirty, they
should be cleaned with 400 grain or finer polishing cloth.
Check the thermostats and seals (preferably at the time
Never use emery cloth to clean the slip rings. Hold the
the cooling system is prepared for winter operation).
polishing cloth against the slip rings with the alternator in
Replace the seals if necessary.
operation and blow away all dust after the cleaning
operation. If the slip rings are rough or out of round,
Item 26 - Blower Screen
Inspect the blower screen and gasket assembly annually
Item 22 - Engine and Transmission Mounts
or every 1,000 hours and, if necessary, clean the screen
in fuel oil and dry it with compressed air. Install the
Check the engine and transmission mounting bolts and
screen and gasket assembly with the screen side of the
the condition of the mounting pads every 2000 hours.
assembly toward the blower. Inspect for evidence of
Tighten and repair as necessary.
blower seal leakage.
Check and record the crankcase pressure every 2000
Item 24 - Fan Hub
Use a hand grease gun and lubricate the bearings with
one shot of Texaco Premium RB grease, or an
equivalent Lithium base multi-purpose grease, every
At a major engine overhaul, remove and discard the
bearings in the fan hub assembly. Pack the hub
assembly, using new bearings, with Texaco Premium
RB grease or an equivalent Lithium base multi-purpose