Case CX130C, Operator'S Manual

Page: 183 / 282

6 - MAINTENANCE
Fan and alternator drive belt
Check the belt tension every 250 h .
Inspection of tension
NOTICE: Operating the engine with loosened belt may
cause over heat of the engine or insufficient charging of
the battery due to slipping belt in its housing.
SMIL15CEX9108AA
1
Apply finger pressure of about 10 kg ( 22.0 lb ) center of
the belt while the engine is shut down and the starter
key is removed.
Loose of tension should be about
6.6 – 7.4 mm ( 0.260
– 0.291 in ).
NOTE: Check any indication of damage on the pulley or
belt due to wear. Check thoroughly to make sure that the
belt is correctly engaged to groove of the pulley. The belt
must be replaced if it is elongated, it has cracks or it is worn
out.
SMIL14CEX2789AA
2
Adjustment of tension
1. Loosen the lock nut (1) and the mounting bolt (2) .
2. Lightly tighten the lock nut (1) until its seating face
touches.
3. Rotate the adjust bolt (3) to adjust tension of the
belt to become standard value.
4. Tighten the lock nut (1) and the mounting bolt (2)
that have been loosened with specified torque.
Tightening torque of the mounting bolt
(2) :
44 – 58 N ( 9.892 – 13.039 lb )
Tightening torque of the lock nut (1) :
20 – 30 N ( 4.496 – 6.744 lb )
SMIL15CEX9109AB
3
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