Rear Axle And Transmission - Chevrolet Light Operator's Manual

combustion; thus, a~id
will
be
formed and is likely to cause
serious etching or pitting.
This
etching, pitting or corrosion,
when using fuel containing considerable sulphur, manifests
itself in excessively
r~pid
wear on piston pins, camshaft bear-
ings and other moving parts of the engine, oftentimes causing
the owner to blame the truck manufacturer or the lubricating
oil when in reality the trouble may
be
traced back to the
character of fuel used, or a condition of the engine, such as
excessive blow-by or improper carburetor adjustment.
Water Pump
The permanently sealed ball bearing water
pump does not
require lubrication by the truck owner.
Starting Motor
Starting Motor end frames are equipped with oil-less bear-
ings ,which do not require lubricant.
Generator
Every 1,000 miles put a few drops of a Ught oil, or engine
oil, in the 2 oil cups.
Distributor
Lubricant cup located on side of housing is filled with chassis
lubricant. Turn cup down one turn every 1,000 miles. Distribu-
tor cap should be removed every 5,000 miles, then remove rotor
and place a few dr9PS of SAE 10 engine oil on felt wicking in top
of cam. Apply a small amount of petroleum jelly on distributor
cam surface by holding a clean cloth which has been soaked in
jelly against it while cranking starter.
REAR AXLE AND TRANSMISSION
The lubrication requirements of Heavy-Duty Hypoid Truck
Axles differ somewhat from the Passenger Car Hypoid Axle.
The truck operates under the most severe lubrication condi-
tions in low gear under heavy load while the passenger car
operates under the most severe lubrication conditions at high
speed.
'77-