Adjusting Tine-Drive Chain Tension; Belt Maintenance; Checking Belt Tension - Toro 23515 Operator's Manual

Figure 44
1. Flex in the chain
5. Repeat step 4 at the other tine-drive chain.
6. Lower the machine and install the spark-plug
wire.
Adjusting Tine-Drive Chain
Tension
1. Loosen the nut securing the idler sprocket of the
chain you are tensioning
Figure 45
1. Idler sprocket
2. Nut
2. Pull down on the idler sprocket until the slack is
taken out of the chain.
3. Tighten the idler sprocket nut and torque it to
40.6 N-m (30 ft-lb).
4. Pull down on the chain near the opening in the
frame with 9 kg (20 lb) of force
Note:
The chain should deflect 3 mm (1/8 inch)
or less.
g023864
(Figure 45).
g023852
(Figure 44).

Belt Maintenance

Checking Belt Tension

Service Interval: Every 25 hours
1. Prepare the machine for maintenance; refer to
Preparing for Maintenance (page
2. Raise the front of the machine; refer to
the Front of the Machine (page
3. Push on the drive belt midway between the
pulleys with 9 kg (20 lb) of force
1. Pump-drive belt
2. Idler pulley
Note:
If the belt deflects more than 3 mm (1/8
inch), tension the belt; refer to
Tension (page
30
21).
21).
(Figure
Figure 46
3. Idler-pulley nut
Adjusting Belt
31).
Raising
46).
g013125