Kubota ZD221-48 Workshop Manual page 44

ZD221, WSM
G GENERAL
Adjusting Fan Belt Tension
A
CAUTION
• Be sure to stop the engine and remove the key before
checking belt tension.
1. If the fan drive belt becomes loose, the engine may overheat.
2. To adjust, loosen bolts and turn the alternator to tighten the belt.
3. After adjustment, securely tighten the bolts.
Moderate belt tension:
The belt deflect approx. 10 mm (0.4 in.) when the center of the
belt is depressed with finger pressure of 98 N (10 kgf, 22 Ibf).
Fan belt tension (A)
• IMPORTANT
Factory spec.
Approx. 10 mm
0.4 in .
• When replacing fan belt, be careful not to catch it on the cap
under the water pump. See the illustration to the left.
(1) Tension Bolt
(2) Alternator
G-30
(3) Adjustment Bolt
W1037821