Toro TimeMaster 21199, Manual

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Adjusting the Self-Propel
Drive
Whenever you install a new self-propel cable or if
the self-propel drive is out of adjustment, adjust the
self-propel drive.
1. Turn the adjustment knob counterclockwise to
loosen the cable adjustment (
Figure 37 ).
g027231
Figure 37
1. Handle (left side) 4. Turn the knob clockwise to
tighten the adjustment.
2. Adjustment knob 5. Turn the knob
counterclockwise to
loosen the adjustment.
3. Self-propel-drive cable
2. Adjust the tension on the cable ( Figure 37 ) by
pulling it back or pushing it forward and holding
that position.
Note:
Push the cable toward the engine to
increase the traction; pull the cable away from
the engine to decrease the traction.
3. Turn the adjustment knob clockwise to tighten
the cable adjustment.
Note:
Tighten the knob firmly by hand.
Servicing the Blade-Drive
System
Service Interval: Every 50 hours
1. Remove the blade-drive system cover ( Figure
38 ).
g016491
Figure 38
1. Bolts 2. Cover
2. Brush or blow out debris from the inside of the
shield and around all the parts.
3. Hold a 0.25 mm (0.010 inch) feeler gauge, a
piece of paper, or a note card against the wall
and slide it down behind the belt tension spring.
Note:
If there is a visible gap between the
gauge and the spring, tighten the adjusting bolt
and the nut until the paper barely slides freely in
and out of the gap (
Figure 39 ).
g017221
Figure 39
1. Belt-tension spring 4. Adjusting nut
2. Adjusting bolt 5. Blade-drive belt
3. Gap 6. Wall
Important:
Do not overtighten the adjusting
bolt. This could damage the blade-drive belt.
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