24
3. Install drain plug; remove oil fill plug (Fig. 31), assure
engine is level and fill crankcase with fresh clean oil;
refer to Engine Operator’s Manual for oil
requirements.
Traction Drive Belt Adjustment
The belt should be tight enough so traction wheels will
spin on cement floor when clutch is engaged with the
engine running. Belt should be checked after first 10 hours
of operation and tightened if necessary. To adjust the belt:
1. Remove belt cover from left side of machine (Fig. 32).
2
1
Figure 32
1.
Cover
2.
Engine mounting fastener
2. Loosen the four engine hold down screws.
3. Slide engine rearward equally on both sides until belt
is tight. Tighten mounting fasteners and check
adjustment by placing unit on a cement floor, starting
engine and checking to see if traction wheels spin
when clutch is engaged.
4. Continue adjustment until tension is correct and install
belt guard (Fig. 32).
Clutch Adjustment
Should clutch slip during operation, check and adjust as
follows:
Do not adjust clutch with the engine running.
Clutch could catch and cause harm to both
you and machine.
Warning
1. Tighten clutch locknut in small increments, start
engine and test adjustment (Fig. 33).
2. Traction wheels will spin, on a cement floor, when
clutch is engaged.
1
2
Figure 33
1.
Locknut
2.
Clutch friction discs
3. Repeat adjustment until clutch operates correctly.
Important
Mower should remain stationary when
engine is running and clutch is in the disengaged position.
Note: Clutch plates and friction discs should be totally
free of grease or oil (Fig. 33).
Cutting Unit Chain Adjustment
Once each year, check the chain assembly inside the
cutting unit chain case. Use the following procedures:
1. Remove the grass catcher and cutting unit from the
traction unit; refer to Removal and Installation of
Cutting Unit.
2. Remove Allen head set screw anchoring steel shaft to
cover (Fig. 34).
2
1
3
Figure 34
1.
Chain case
2.
Allen head set screw
3.
Tapered nuts
