Automobile Parts User Manual

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SECTION 4
COOLING SYSTEM
4.1 CHECKING AND ADJUSTING
WARNING
Beware of moving V--belt and belt driven
components
4.1.1 Notched V--Belt Service
NOTE
A frayed, cracked or worn V--belt must be re-
placed. Afterinstallinganewbelt,it isadvisable
to check the adjustment after running the unit
for three or fourhours.This will allow for theini-
tial stretch, which is common on new belts.
Once thisinitialstretchhastakenplace, thebelt
should be checked at regular intervals.
To replace or adjust the notched V--belt, do the
following:
a. Replacing the V--Belt
1. Loosen the idler pivot bolt.
2. Replace the belt and adjust tension in accordance
with the following steps.
b. Adjusting Tension
1. Measure the deflection (A), by depressing the belt
halfway between the fan drive pulley and alternator
pulley at the specified force (Refer to1.7.3).
2. Usehand forceonlyontheidler pulleytotightenbelt.
Do not use a pry bar or excessive force as it may
cause damage to the engine.
Use of a belt tension gauge (Carrier Part #
07--00203--00) or a belt tension tester (Carrier Part #
07--00253--00) is advised.
3. When belt is at correct tension, tighten pivot bolt.
4.1.1a Poly V--Belt Service
a. Replacing the Poly--V--Belt
1. Apply the proper size socket to the crank pulley nut,
then slowly rotate thecrank. Atthe sametime, usea
flat, blunt object to guide the belt off the crank pulley
towards radiator. Be careful not to damage grooves
on the pulley.
2. Replace the Poly--V--Belt by positioning the belt on
the water pump pulley, and whilerotating the engine
(as instep1), use aflat, bluntobjecttoguide thebelt
onto the crank pulley. Be careful not to damage
grooves on the pulley or belt.
4.1.2 Fan Belt Damage and Wear
1. Check the fan belt for damage.
2. If the belt is damage in any way, replace it.
(A)
(B)
A. Good B. Bad
3. Checkifthebeltiswornandsunkinthepulleygroove.
4. If the fan belt is worn and deeply sunk in the pulley
groove, replace it.
A. Good B. Bad
4.1.3 Checking Coolant Level
WARNING
When removing the radiator cap, wait at
least ten minutes after the engine has
stopped and cooled down. Otherwise, hot
water may discharge from the radiator,
scalding anyone nearby.
1. Remove the radiator cap and check to see that the
coolant level is just below the port.
Withthe recovery tank: Check to see that thecoolant
level lies between FULL and LOW.