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ENGINE AND PERIPHERALS
Overhauling the engine
10
10-114
NOTES ON FITTING ACCESSORIES BELTS
V BEL
T
Tensioning procedure for new belts
Engine cold, ambient temperature.
Fit the new belt.
Bring the tension wheel into contact with the belt and tighten to obtain the recommended fitting tension.
Tighten the tension wheel.
Turn the crankshaft over three times.
Position the read head of Mot. 1505 and perform the measurement. Check that it is within the fitting tension
tolerances, otherwise readjust it.
Tensioning procedure for used belts
Engine cold, ambient temperature.
Fit the belt.
Bring the tension wheel into contact with the belt and tighten to obtain 80 % of the recommended fitting tension
value.
Tighten the tension wheel.
Turn the crankshaft over three times.
Fit the read head of Mot. 1505 and perform the measurement. Check that it is within 80 % of the tension value
tolerances, otherwise readjust it.
NOTE: the V belt is replaced according to condition or noise.
RIBBED BEL
T
Belt tensioning procedure
Engine cold, ambient temperature.
Fit the new belt.
Bring the tension wheel into contact with the belt and tighten to obtain the recommended fitting tension.
Tighten the tension wheel.
Turn the crankshaft over three times.
Fit the reading head of Mot. 1505 and perform the measurement. Check that it is within the fitting tension
tolerances, otherwise readjust it.
NOTE: DO NOT REFIT A BELT ONCE IT HAS BEEN REMOVED; REPLACE IT.