Maintenance Item
Before Work
After Work
Every 10 hrs.
Every 50 hrs.
Every 250 hrs.
Every 500 hrs.
When Required
Remarks
Adjust reel cover (Variable type)
○
Refer to "Adjustment of Reel
Cover (Variable Type)"
Adjust groomer
○
Refer to "Adjustment of Groomer"
Adjust CR brush
○
Refer to "Adjustment of CR
Brush"
Adjust scraper
○
Refer to "Adjustment of Scraper"
Clean mower unit
○
Refer to "Cleaning of Mower Unit"
Backlap blades
○
Refer to "Back Lapping of Reel
Cutter (Cutting Cylinder)"
Grease groomer gears in the case
○
Refer to "Greasing Points"
Grease
○
Refer to "Greasing Points"
Clean inside of CR brush belt cover
○
Grease hydraulic motor shaft of mower unit
○
Grease cam bush
○
Adjust cutter adjustment spring
○
Refer to "Adjustment of Cutter
Adjustment Spring"
Adjust belt tension of CR brush
○
Refer to "CR Brush Drive Belt"
Regrind blades (Reel cutter and Bed knife)
○
Regrind/Replace blades as and
when required
The values for consumables are not guaranteed.
Specified Values
Cutter adjustment spring
50.0 mm (1.97 in)
Length of spring coil
CR brush
With CR brush
0 - 1.0 mm (0 - 0.039 in)
Gap between brush and rear
roller
With CR brush and
groomer
Front scraper
2.0 - 3.0 mm (0.079 - 0.118 in)
Gap between scraper and outer
diameter surface of roller
Rear scraper
1.0 - 2.0 mm (0.039 - 0.079 in)
Gap between scraper and roller
CR brush drive belt
5.0 - 6.0 mm (0.197 - 0.236 in)
Slack when belt pressed with 10.0
N (1.0 kgf) at the middle point
between pulleys
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Maintenance
LH52
Maintenance
Page 5-3
Maintenance Schedule
