Cutting Unit Maintenance; Backlapping The Cutting Units - Toro Reelmaster 7000-D Operator's Manual

Cutting Unit 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 PTO switch to the
Off position.
2. Unlock and raise the hood to expose the
controls.
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. Select either front, rear, or both backlap levers to
determine which units to backlap
5. 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 low idle engine speed.
DANGER
Contact with the cutting units could
cause personal injury.
Be certain that you are clear of the
cutting units before proceeding.
6. With the mow-speed limiter in the Mow position,
move the PTO switch to the On position.
7. Press the Lift Switch to start the backlapping
operation on the designated reels.
8. Apply lapping compound with a long-handled
brush.
1. Front-backlap lever
9. If the reels stall or become erratic while
10. To make an adjustment to the cutting units while
(Figure 103).
11. Repeat the procedure for all cutting units that
12. When finished, return the backlap levers to the
68
Note:
Do not use a short-handled brush.
Figure 103
backlapping, increase the throttle speed until
the reel stabilizes.
backlapping, turn the reels off by pressing the
rear of the lift switch; move the PTO switch
to the Off position and stop the engine. After
completing any adjustments, repeat steps
through 9.
you want to backlap.
Mow position, lower the hood, and wash all
lapping compound off the cutting units. Adjust
the cutting unit reel-to-bedknife as needed.
Move the cutting unit reel-speed controls to the
desired mowing position.
Important:
If you do not return the backlap
switch to the Off position after backlapping,
the cutting units will not raise or function
properly.
Note:
Additional instructions and procedures on
backlapping are available in the Toro Sharpening
Reel and Rotary Mowers Manual, Form No.
80-300SL.
Note:
For a better cutting edge, run a file across
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.
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2. Rear-backlap lever
5