Kubota
Diesel Engine
Reelmaster 5500-D Page 3 - 7 Kubota Diesel Engine
Adjust Alternator/Fan Belt
The condition and tension of all belts should be checked
periodically as recommended in the maintenance
schedules in Chapter 2 - Product Records and Manuals.
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch. Open hood.
Alternator Belt (Fig. 6)
2. Check tension by depressing belt midway between
alternator and crankshaft pulleys with 22 lb. (9.9 Kg) of
force. Belt should deflect 7/16 in. (11 mm). If belt adjust-
ment is necessary, proceed to the next step
3. Loosen bolts securing alternator to support bracket
and to engine.
4. Gently pry alternator away from engine.
5. When proper tension is achieved, tighten alternator
bolts.
Cooling Fan Belt (Fig. 7)
6. Loosen upper and lower lock nuts on the belt ten-
sioner lever.
IMPORTANT: Make sure both lock nuts are loosen
before setting cooling fan belt tension. Not loosen-
ing the bottom nut may result in bending the belt
tensioner lever.
7. Apply 5 to 10 lb. (2.3 to 4.5 Kg) of force at the end of
the lever to set the proper tension on the fan belt.
8. Tighten both lock nuts to secure the adjustment.
Figure 6
1. Belt
2. Bolt
3. Bolt
4. Support bracket
5. Alternator
2
1
4
5
3
Figure 7
1. Upper lock nut
2. Belt tensioner lever
3. Cooling fan belt
2
1
3
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