C - EVERY 250 HOURS OF SERVICE
C - EVERY 250 HOURS OF SERVICE
Carry out the operations described previously as well as Carry out the operations described previously as well as the following operations.the following operations.
C1 - ALTERNATOR/FAN/CRANKSHAFT BELT TENSIONC1 - ALTERNATOR/FAN/CRANKSHAFT BELT TENSION
CHECK - ADJUSTCHECK - ADJUST
- Open the I.C. engine bonnet.- Open the I.C. engine bonnet.
-- Check the belt for siCheck the belt for signs of wear and cracks and gns of wear and cracks and change if necessary (see: 3 - MAINTENAchange if necessary (see: 3 - MAINTENANCE:NCE:
FILTERS CARTRIDGES AND BELTS).FILTERS CARTRIDGES AND BELTS).
- Check the belt tension between the pulleys of the crankshaft and of the - Check the belt tension between the pulleys of the crankshaft and of the alternator.alternator.
-- Under a noUnder a normal presrmal pressure exesure exerted with the thurted with the thumb (45mb (45 N),N),10.1 lbf10.1 lbf the belt should movethe belt should move
approxapproximatimately 10ely 10 mmmm(.39 in)(.39 in)..
- Carry out adjustments if necessary.- Carry out adjustments if necessary.
- Untighten screws 1 (fig. C1) by two to - Untighten screws 1 (fig. C1) by two to three thread turns.three thread turns.
C1C1
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