C - EVERY 250 HOURS SERVICEC - EVERY 250 HOURS SERVICE
Carry out the operations described previously as well as the following operations.
Carry out the operations described previously as well as the following operations.
C1 - AC1 - ALTERNATORLTERNATOR//CRCRANANKSKSHAHAFTFT BEBELTLT TENTENSIOSIONN
CHECK - ADJUSTCHECK - ADJUST
- Open the I.C. engine cover.- Open the I.C. engine cover.
-- Check the belt for signs of wear and cracks and change if necessary (see : 3 - MAINTE--- Check the belt for signs of wear and cracks and change if necessary (see : 3 - MAINTE-
NANCE : NANCE : FILTERFILTERS CARTRIDGES AND S CARTRIDGES AND BELTSBELTS).).
- Check the belt tension between the pulleys of the crankshaft and of the alternator.- Check the belt tension between the pulleys of the crankshaft and of the alternator.
- Under a normal pressure exerted with the thumb (10 ft/lb),- Under a normal pressure exerted with the thumb (10 ft/lb), the tension should be approx-the tension should be approx-
imately 3/8 in.imately 3/8 in.
- Carry out adjustments if necessary.- Carry out adjustments if necessary.
- Loosen screws 1 (fig. C1) by two to three thread turns.- Loosen screws 1 (fig. C1) by two to three thread turns.
- Swivel the alternator assembly so as to obtain the belt tension required.- Swivel the alternator assembly so as to obtain the belt tension required.
- Retighten screws 1 (fig. C1)(tightening torque 16 ft/lb).- Retighten screws 1 (fig. C1)(tightening torque 16 ft/lb).
If the alternator belt has to be changed, check the tension again after the first 20 hours of oper-
If the alternator belt has to be changed, check the tension again after the first 20 hours of oper-
ation.ation.
C2 CC2 C (( ))
C1C1
11
11
11
If the alternator belt has to be changed, check the tension again after theIf the alternator belt has to be changed, check the tension again after the
first 20 hours of operation.first 20 hours of operation.
IMPORTANTIMPORTANT
CONTENTSCONTENTS
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