Chevrolet Light - Page 38

Fan Belt. When the fan belt becomes damaged it can be re-
placed as follows:
1. Loosen generator to engine brace clamp bolt at the gen-
erator end and generator attaching bolts and push generator
assembly toward engine as far as it will go.
2. Work the belt off generator and crankshaft pulleys, push
belt toward radiator and turn the fan so that the fan blades
will
turn through the belt. When the fan blades have all been
turned through the loop of belt, the belt can be pulled through
between fan hub and radiator core.
3. 'l1lread the new belt over the fan and onto the cran k-
shaft, generator and fan pulleys.
4. Pull the generator away from engine to tighten the belt.
Tighten the
brace to generator clamp bolt and check for %" total
up or down movement of helt at a point midway between water
pump and generator pulleys (fig. 41). If necessary loosen clamp
bolt
and move generator slightly to obtain desired belt tension
then tighten generator attaching bolts.
Water Pump. If it should - be necessary to replace the water
pump it may be done as follows:
1.
Drain the cooling system and remove the fan belt as
instructed above.
2. Remove the cap screws attaching the fan blades to pump,
and remove the . fan.
3. Loosen clamp
and disconnect hose from pump. Discon-
nect heater hose if one is attached to water pump.
4. Remove the cap screws that attach pump to cylinder
block and remove pump.
S. Place new gasket in position, place pulley on pump shaft
flange and install pump. Tighten bolts securely.
6. Place fan U; position on pulley and install attaching bolts.
7. Connect hose to fitting on pump and if heater is used,
transfer heater fitting from old pump and connect heat er hose.
S. Install and adjust fan belt as instructed under " Fan Belt
Replacement."
9. Fill cooling system and check for leaks.
Anti-Freezing Solutions
In selecting an anti-freezing solution f or winter operation
the local conditions and the type of service should be consid-
ered.
The following information is given to assist the truck
owner in selecting the anti-freezing solution best suited to
meet his own individual driving conditi?ns.
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