SEN02458-01 30 Testing and adjusting
22 PC138US, USLC-8
Testing and adjusting alternator
belt tension 1
Testing
1. Remove the engine compartment side cover
and air intake pipe (1).
Press the intermediate point of the belt
between the alternator pulley and fan pulley
with a finger and test deflection (a) of the belt.
a Pressing force: Approx. 60 Nm {Approx.
6.1 kg}
a Deflection (a): 6 – 10 mm
Adjusting
a If the deflection is out of the standard range,
adjust the belt tension according to the follow-
ing procedure.
1. Loosen alternator fixing bolts (1) and (2).
a Loosen fixing bolt (2) from the rear side of
the engine.
2. Adjust the tension of alternator belt (4) by turn-
ing adjustment bolt (3).
a Do not loosen double nut (5) at the adjust-
ment bolt end. (If you have loosened it,
apply LOCTITE (LT-2) to it when tighten-
ing.)
Reference: If adjustment bolt (3) is tightened
(turned to the right), the alternator
belt (4) is loosened. If the former
is turned to the left, the latter is
tightened.
3. After adjusting the belt tension, tighten alterna-
tor fixing bolts (1) and (2).
4. Check again that the tension of alternator belt
(4) is in the standard range.
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