Backlapping the Cutting Units (continued)
Note: Select either the front, rear, or both backlap levers to control which cutting units to
backlap. When backlapping, the front cutting units all operate together, and the rear
cutting units operate together.
Lapping the Reels and Bedknife
WARNING
Changing the engine speed while backlapping may cause the cutting units to stall,
which could result in death or serious injury.
• Never change the engine speed while backlapping.
• Backlap only at idle engine speed.
1. Start the engine and run at low idle speed.
2. With the Mow/Transport lever in the M
OW position, disengage the PTO. Move the Lower
Mow/Lift control forward to start the backlapping operation on the designated reels.
3. Apply lapping compound with a long-handled brush.
DANGER
Contacting the cutting units when they are moving will result in death or serious
injury.
To avoid personal injury, ensure that you are clear of the cutting units before
proceeding.
IMPORTANT
Never use a short-handled brush.
4. 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.
5. If you need to make an adjustment to the cutting units while backlapping, perform the
following steps:
A. Move the Lower Mow/Raise lever rearward and disengage the PTO.
B. Shut off the engine and remove the key.
C. Adjust to the cutting units.
D. Repeat steps 1 through 3.
6. Repeat step 3 for the other cutting units that you want to backlap.
Maintenance: Cutting Unit Maintenance Page 6–40 3464-482 A
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