Kubota KX040-4, Руководство оператора

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73 REGULAR CHECKS AND MAINTENANCE WORK
EVERY 200 SERVICE HOURS
Do all 50 and 100 hour servicing at the same time.
B
Adjusting V-belt Tension
To avoid personal injury:
A
First stop the engine and remove the key.
A
After servicing, make sure to replace the belt
cover in its original position.
C
Checking and adjustment of the air-conditioner
belt tension
1. Press the air-conditioner belt down in the middle, with
a force of approx. 6 to 7 kgf (13.2 to 15.4 lbs). The belt
tension is correct if it deflects about 12 to 15 mm (0.47
to 0.59 in.). If otherwise, loosen the nut (5) and tighten
the bolt (6) ,then shift the tension pulley in the direction
shown by the arrow.
2. Replace the air-conditioner belt if worn out, cracked or
torn.
C
Checking and adjustment of the fan belt tension
1. Press the fan belt down in the middle, with a force of
approx. 3.6 to 5.1 kgf (7.9 to 11.2 lbs). The belt tension
is correct if it deflects about 7 to 9 mm (0.27 to 0.35
in.). If otherwise, loosen bolt and shift the alternator in
the direction shown by the arrow.
2. Replace the fan belt if worn out, cracked or torn.
A
If the engine is run with a loose fan belt, the belt could
slip and cause overheating of the engine. Check fan
belt tension regularly.
A
If the engine is run with a loose fan belt, the belt could
slip and cause insufficient battery charging. Check fan
belt tension regularly.
A
Should the fan belt break or jump off, the indicator light
for battery charge will light up. Stop the engine and
remove the key immediately.
(1) Air-conditioner belt
(2) Tension pulley
(3) Air-conditioner compressor
(4) Pulley
(5) Nut
(6) Bolt (A) 12 to 15 mm (0.47 to 0.59 in.)
(1) Fan belt
(2) Alternator
(3) Pulley
(4) Fan pulley
(5) Bolt and nut (A) 7 to 9 mm (0.27 to 0.35 in.)