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16 Maintenance
16.1
Maintenance Intervals
The maintenance intervals are dependent on the
environmental and operating conditions. STIHL
recommends the following maintenance inter‐
vals:
After every 50 hours of operation
► Lubricate the gearbox.
Every 12 months
► Have hedge trimmer checked by a STIHL
servicing dealer.
16.2
Lubricating the Gearbox
2
1
► Remove screw plug (1).
► If no grease is visible on the end of the screw
plug (1):
► Screw in the tube of STIHL gear lubri‐
cant (2).
► Squeeze 5 g of STIHL gear grease into the
gear housing.
► Unscrew the tube of STIHL gear lubri‐
cant (2).
► Insert and tighten the screw plug (1)
securely.
► Run the hedge trimmer for one minute.
The STIHL gear lubricant is evenly distrib‐
uted.
16.3
Sharpening the cutting blades
STIHL recommends you have the cutting blades
resharpened by a STIHL dealer.
WARNING
■ The teeth of the cutting blades are very sharp.
There is a risk of cutting oneself.
► Wear work gloves made of robust material.
32
► Switch off the hedge trimmer and remove the
battery.
► Use a STIHL flat file to sharpen each cutting
edge on the upper blade. The file only sharp‐
ens on the forward stroke. Maintain the pre‐
scribed sharpening angle,
► Turn the hedge trimmer over.
► Sharpen the remaining cutting edges.
► Deburr each cutting edge from below.
► Turn the hedge trimmer over.
► Deburr the remaining cutting edges.
► Use a damp cloth to remove the filing dust.
► Spray both sides of cutting blades with STIHL
resin solvent.
► Run the hedge trimmer for 5 seconds.
The cutting blades run. The STIHL resin sol‐
vent is distributed evenly.
► If you are unsure: Consult a STIHL authorized
dealer.
17 Repairing
17.1
Repairing the Hedge Trimmer
and Battery
The hedge trimmer, cutting blades and battery
cannot be repaired by the user.
► If the hedge trimmer or cutting blades are
damaged: Do not use your hedge trimmer and
contact your STIHL servicing dealer.
► If the battery has a malfunction or is damaged:
Replace the battery.
16 Maintenance
19.2.
0458-020-9601-A
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