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MAINTENANCE PROCEDURE
4.8.5 MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION
These maintenance operations must be carried out after the first 250 hours of operation, together with those to be
carried out "EVERY 250 HOURS".
HYDRAULIC OIL DRAIN FILTER
q
For details on the various maintenance operations, see section "4.8.8 MAINTENANCE EVERY 500 HOURS OF
OPERATION".
4.8.6 MAINTENANCE EVERY 250 HOURS OF OPERATION
These operations must be carried out together with those to be carried out "EVERY 50 HOURS".
4.8.6.a
ADJUSTING THE FAN BELT TENSION
The fan belt can be reached after raising the engine hood (see
"3.5.1 ENGINE HOOD") and the rear panel (see "3.5.2 REAR
PANEL").
The check is manual: press the belt (1) with your thumb on the
indicated point with a force equal to approx. 10 kg; the resul-
ting deflection must be approximately 10-15 mm.
If the deflection exceeds this value, loosen the screw (2) that
fastens the alternator (3) and, with a lever inserted between
the engine block and casing, make the alternator slide.
Lock the screw (2) and check again.
Use a 12 mm spanner.
A - Fan pulley
B - Driving shaft pulley
C - Alternator pulley
IMPORTANT
If the belt is worn, change it and check the tension again
q
after a few hours of operation.
184
1
A
C
10 ÷ 15 mm
B
2
3
RKAB1700
RWA09220
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