Adjusting The Self-Propel Drive; Servicing The Blade-Drive System - Toro TimeMaster 21199 Operator's Manual

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
1. Handle (left side)
2. Adjustment knob
3. Self-propel-drive cable
2. Adjust the tension on the cable
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.
(Figure 37).
Figure 37
4. Turn the knob clockwise to
tighten the adjustment.
5. Turn the knob
counterclockwise to
loosen the adjustment.
(Figure 37) by pulling it
Servicing the Blade-Drive
System
Service Interval: Every 50 hours
1. Remove the blade-drive system cover
g027231
1. Bolts
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).
3
2
1
1. Belt-tension spring
2. Adjusting bolt
3. Gap
Important: Do not overtighten the adjusting bolt.
This could damage the blade-drive belt.
22
(Figure
1
2
Figure 38
2. Cover
4
5
6
Figure 39
4. Adjusting nut
5. Blade-drive belt
6. Wall
38).
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