Cutting Unit Maintenance; Backlapping The Reels - Toro 04520 Operator's Manual

Cutting Unit Maintenance

Backlapping the Reels

WARNING
Contact with the reels or other moving parts can
result in personal injury.
• Keep fingers, hands, and clothing away from the
reels or other moving parts.
• Never attempt to turn the reels by hand or foot
while the engine is running.
1. Position the machine on a level surface, lower the
cutting units, stop the engine, engage the parking
brake.
2. Remove the plastic cover to the left side of the seat.
3. Make initial reel to bedknife adjustments appropriate
for backlapping on all cutting units which are to be
backlapped; refer to the Cutting Unit Operator's Manual.
DANGER
Changing the engine speed while backlapping
may cause the reels to stall.
• Never change the engine speed while
backlapping.
• Only backlap at idle engine speed.
4. Start the engine and run at low idle speed.
5. Rotate the Backlap Lever to the reverse (R) position
(Figure 54).
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Figure 54
1. Backlap lever—forward
position
6. Rotate the Reel Speed Control to setting 1
(Figure 55).
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2. Backlap lever—reverse
position
1. Reel speed control
7. With the functional control lever in the neutral
position, move the Raise/Lower Mow control
forward to start the backlapping operation on the
designated reels.
8. Apply lapping compound with a long handle brush.
Never use a short handled brush.
9. If the reels stall or become erratic while backlapping,
select a higher reel speed setting until the speed
stabilizes, then return the reel speed to setting 1 or to
your desired speed.
10. To make an adjustment to the cutting units while
backlapping, turn the reels off by moving the
Raise/Lower Mow control rearward and stop the
engine. After completing adjustments, repeat steps 4
through 8.
11. Repeat the procedure for all cutting units you want
to backlap.
12. When finished, return the backlap levers to the
forward (F) position, replace the cover, and wash all
lapping compound off of the cutting units. Adjust
cutting unit reel to bedknife as needed. Move the
cutting unit reel speed control to the desired mowing
position.
Important: If the backlap lever is not returned
to the forward (F) position after backlapping, the
cutting units will not raise or function properly.
45
Figure 55
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