Belt Maintenance; Servicing The Engine Belts - Toro Reelmaster 3100-D Series Operator's Manual

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/Fan Belt
1. Open the hood.
2. Check the tension by depressing the
alternator/fan belt midway between the
alternator and crankshaft pulleys with 30 N∙m
(22 ft-lb) of force
Note:
The belt should deflect 11 mm (7/16
inch).
Figure 70
1. Alternator/fan belt
3. If the deflection is incorrect, complete the
following procedure to tension the belt:
A. Loosen the bolt that secures the brace to
the engine and the bolt that secures the
alternator to the brace.
B. Insert a pry bar between the alternator and
the engine and pry out on the alternator.
C. When you achieve the proper belt 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.
WARNING
Use caution when de-tensioning the
spring, as it is under a heavy load.
(Figure 70).
2. Push down and forward on the spring end
(Figure 71) to unhook it from the bracket and
release tension on the spring.
1. Hydrostat drive belt
3. Replace the belt.
4. Reverse the procedure to tension the spring.
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Figure 71
2. Spring end
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