Belt Maintenance
Servicing the Engine Belts
Service Interval:
After the first 10 hours—Check the
condition and tension of all belts.
Every 100 hours—Check the condition and
tension of all belts.
Tensioning the Alternator Belt
1.
Open the hood.
2.
Check the tension by pressing the belt midway
between the alternator and crankshaft pulleys
with 30 N∙m (22 in-lb) of force (
Note:
The belt should deflect 11 mm (7/16
inch).
g031638
Figure 61
1.
Alternator belt
3.
If the belt does not deflect 11 mm (7/16 inch),
complete the following procedure to tension the
belt:
A.
Loosen the bolt securing the brace to the
engine and the bolt securing the alternator
to the brace.
B.
Insert a pry bar between the alternator and
engine, and pry out at the alternator.
C.
When you obtain the proper tension, tighten
the alternator and brace bolts to secure the
adjustment.
Replacing the Hydrostat-Drive Belt
1.
Insert a nut driver or small piece of tubing onto
the end of the belt-tensioning spring.
CAUTION
The spring that tensions the belt is under
a heavy load, and releasing the tension of
the spring improperly may cause injury.
Use care when de-tensioning the spring
and replacing the belt.
2.
Push down and forward on the spring end to
unhook it from the bracket and release tension
on the spring (
g031639
Figure 62
1.
Spring end
2.
Hydrostat-drive belt
3.
Replace the belt.
4.
Reverse this procedure to tension the spring.
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