Kubota KX040-4 Excavator Operator's Manual - PDF DOWNLOAD

Page 97

REGULAR CHECKS AND MAINTENANCE WORK

EVERY 200 SERVICE HOURS

Do all 50 and 100 hour servicing at the same time.

BAdjusting V-belt Tension

73

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.

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.

(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.)

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. (A) 12 to 15 mm (0.47 to 0.59 in.) (1) Air-conditioner belt (2) Tension pulley (3) Air-conditioner compressor (4) Pulley (5) Nut (6) Bolt


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