Adjustments; Adjust Alternator Belt - Toro Reelmaster
4000?D Service Manual

Adjustments

Adjust Alternator Belt

Check condition and tension of belt after every 100 op-
erating hours (Fig. 9).
1
1. Park machine on a level surface. Stop engine. Re-
move key from the ignition switch.
2
2. Proper belt tension will allow 3/8 inch (10 mm)
deflection when a force of 10 lbs (44.4 N) is applied on
the belt midway between both pulleys.
3. If deflection is not 3/8 inch (10 mm), loosen alterna-
tor mounting bolt. Increase or decrease alternator belt
tension and tighten bolt. Make sure tension is correct;
check deflection of belt again.
Figure 9
1. Alternator 2. Mounting bolt
Reelmaster 4000−D Page 3 − 7 Kubota Diesel Engine