Checking The Reel-To-Bedknife Contact; Backlapping The Reels - Toro Greensmaster 3420 TriFlex Operator's Manual

Checking the
Reel-to-Bedknife Contact
Each day before operating the machine, check the
reel-to-bedknife contact, regardless if the quality of cut
had previously been acceptable. There must be light
contact across the full length of the reel and bedknife;
refer to the Cutting Unit Operator's Manual.
Before checking the reels, disconnect the cutting
unit power disconnect couplers; refer to
Power Disconnect Connectors (page
them when finished.

Backlapping the Reels

WARNING
Contact with the reels or other moving parts
can result in personal injury.
• Keep your 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. Park the machine on a level surface, lower the
cutting units, shut off the engine, remove the
key, and 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
that you want to backlap; 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 N
position, move the Raise/Lower Mow control
forward to start the backlapping operation on the
designated reels.
10. Apply lapping compound with a long-handled
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.
Cutting Unit
23). Connect
ERVICE
.
.
N
ACKLAP
EUTRAL
12. To make an adjustment to the cutting units while
backlapping, turn the reels off by moving the
Raise/Lower Mow control rearward and shut
off the engine. After completing adjustments,
repeat steps 4
13. Repeat the procedure for all cutting units that
you want to backlap.
14. When finished, return the InfoCenter B
setting to O
FF
position to return the machine to forward cutting
operation.
15. Wash all lapping compound off of the cutting
units. Adjust the cutting unit reel to bedknife as
needed. Move the cutting-unit reel speed control
to the desired mowing position.
52
through 10.
or turn the ignition key to the O
ACKLAP
FF