Cutting Unit System Maintenance; Backlapping The Cutting Units - Toro 03674 Operator's Manual

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Figure 74
1. Lift circuit test port
Use the test port on the hydraulic tube
troubleshooting the charge pressure circuit.
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2. Charge pressure circuit
(Figure 74) to assist in
Cutting Unit System
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 Enable/Disable switch to disable
position.
2. To activate the backlap function on the InfoCenter
service menu, proceed as follows:
•
Withe the engine off, but the key in the run
position, access the Main Menu of the InfoCenter.
•
From the Main Menu, scroll down to Service Menu
using the center button and select it using the right
button.
•
In the Service Menu, scroll down to Front Backlap,
Rear Backlap and activate front, rear or both by
using the right button to turn the desired set of
cutting units from OFF to ON.
•
Press the left button to save the settings and exit
the Settings menu.
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.
DANGER
Changing the engine speed while backlapping
may cause the reels to stall.
• Never change the engine speed while
backlapping.
• Only backlap at idle engine speed.
5. With the Mow/Transport lever in the mow position,
move the Enable/Disable switch to the Enable
position. Move the Lower Mow/Lift control forward
to start the backlapping operation on the designated
reels.
6. Apply lapping compound with a long handle brush.
Never use a short handled brush.
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