CAUTION!
• The operator must be on the operator's seat when raising or lowering a mowing unit.
• Step off the machine before activating the Back lapping function to prevent injury in the case of a misstep.
• Always wear protective gloves when performing a service function on or near a mowing unit. Severe injury
can result from contact with sharp cutting edges.
• When a mowing unit is rotated by hand it is possible that the other mowing units will also rotate.
Materials needed:
• Grinding paste: Grain 80 or 120
• Long handle brush
Before you begin:
• Make sure that the mowing units are clean and adjusted properly (See Adjusting the cutting knife to the bed knife).
• Park the machine safely and turn off the engine.
• Raise and lock the front mowing units (See Transport on page 67).
Back lapping the rear right mowing unit
1. Put the parking switch in the ON
position.
2. Start the engine, let it run idle.
3. Put the Raising/lowering activation
switch (1) in the ON position.
4. Put the Raising/lowering switch (2) in the
ON position.
5. Lower all mowing units by pressing the
Cross Cut button (5).
6. Put Raising/lowering switches (3 and 4)
in the OFF position.
The rear right and left mowing units stay
in the mowing position.
7. Step off the machine.
8. Put the Mowing/back lapping switch in
the BACK LAPPING position.
9. Press the cross-cut button.
The rear right mowing unit starts turning
backwards.
10. Apply grinding paste to the rear right
mowing unit with a brush.
NOTICE Apply the paste
equally and over the entire
length of the cutting knives.
11. Repeat until you no longer hear a
grinding noise.
NOTICE Reduce the cutting
clearance to get a better
result.
12. Put Raising/lowering switch (2) in the
OFF position.
The mowing units will stop turning.
13. Continue with Back lapping the rear
left mowing unit.
Maintenance 59
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