Cutting Unit System Maintenance; Backlapping The Cutting Units - Toro Reelmaster 5410-D Operator's Manual

Cutting Unit System
Maintenance
Backlapping the Cutting
Units
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.
Note:
When backlapping, the front units all operate
together, and the rear units operate together.
1. Position the machine on a level surface, lower
the cutting units, stop the engine, engage the
parking brake, and move the Enable/Disable
switch to disable position.
2. Unlock and raise the seat to expose the backlap
levers (Figure 93).
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.
4. Start the engine and run at low idle speed.
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.
5. Select either front, rear, or both backlap levers
to determine which units to backlap
DANGER
To avoid personal injury, be certain that
you are clear of the cutting units before
proceeding.
6. With the Mow/Transport lever in the mow
position, move the Enable/Disable switch to
the Enable position. Move the Lower Mow/Lift
control forward to start the backlapping operation
on the designated reels.
7. Apply lapping compound with a long handle
brush. Never use a short handled brush.
8. 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 your desired speed.
9. To make an adjustment to the cutting units
while backlapping, turn the reels off by
moving the Lower Mow/Raise lever rearward;
the Enable/Disable switch to the Disable
position, and stop the engine. After completing
adjustments, repeat steps 4 through 8.
1. Backlap levers
10. Repeat the procedure for all cutting units you
want to backlap.
11. When finished, return the backlap levers to
the Mow position, lower the seat, and wash all
lapping compound off of the cutting units. Adjust
cutting unit reel to bedknife as needed. Adjust
the cutting unit reel speed to the desired mowing
setting.
(Figure 93).
Important:
returned to the Off position after backlapping,
the cutting units will not raise or function
properly.
Note:
the front face of the bedknife after lapping. This
will remove any burrs or rough edges that may
have built up on the cutting edge.
57
Figure 93
If the backlap switch is not
For a better cutting edge, run a file across
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