Cutting Unit Maintenance; Backlapping The Reels - Toro Greensmaster TriFlex 3420 Operator's Manual

Cutting Unit Maintenance

Backlapping the Reels

WARNING
Contact with the reels or other moving parts
can result in personal injury.
• Keep your 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.
4. Start the engine and run at low idle speed. If the
engine stalls, increase the engine speed.
5. On the InfoCenter control, from the S
menu, select B
ACKLAP
6. Set B to O
ACKLAP
7. Pull up the Main Menu and scroll down to
Settings.
8. In the S menu scroll down to B
ETTINGS
and use the ± button to select the desired
RPM
backlap speed.
9. 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.
10. Apply lapping compound with a long handle
brush. Never use a short handled brush.
11. If the reels stall or become erratic while
backlapping, select a higher reel speed setting
until the speed stabilizes.
12. 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 10.
13. Repeat the procedure for all cutting units you
want to backlap.
14. When finished, return the InfoCenter B
setting to O or turn the ignition key to the O
FF
ERVICE
.
.
N
ACKLAP
ACKLAP
position to return the machine to forward cutting
operation.
15. 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.
FF
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