Backlapping the Cutting Units (continued)
G439326
Backlap lever (backlap position—front cutting
units)
Backlap lever (backlap position—rear cutting
units)
Mower manifold
5. Move the backlap levers to the R (backlap) position.
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.
3464-490A Page 6–38 Maintenance: Cutting Unit Maintenance
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