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Maintenance
Recommended Maintenance Schedule
Maintenance Service
Interval
25 hours
Yearly/Storage Service
If you leave the key in the ignition switch, someone could accidently start the engine and
seriously injure you or other bystanders.
Remove the key from the ignition and disconnect the wire from the spark plug before you do
any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.
Greasing and Lubricating the
Blade
Grease and oil the blade after every 25 operating hours or
once a year, whichever occurs first.
Grease type: general-purpose grease
Oil type: SAE 10W or 10W30
Greasing the Channel Pivot
1. Lower the blade.
2. Set the parking brake, stop the engine, and remove the
ignition key.
3. Clean the area around the channel pivot with a rag.
Apply grease to the pivot bolt, frame, and channel
indexing holes (Fig. 20).
4. Wipe off excess grease.
Maintenance Procedure
Grease the channel pivot.
Oil the linkages.
Grease the channel pivot.
Oil the linkages.
Examine the scraper for wear and replace if necessary.
Paint any chipped surfaces.
Caution
Figure 20
Oiling the Linkages
1. Set the parking brake, stop the engine, and remove the
ignition key.
2. Place a few drops of oil on all movable linkages
(Fig. 20).
3. Wipe off excess oil.
11
m–1473
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