Maintenance; Repairing; Troubleshooting - Stihl HSA 40.0 Instruction Manual

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15 Maintenance

15.1 Maintenance Intervals
The maintenance intervals are dependent on the
environmental and operating conditions. STIHL
recommends the following maintenance inter‐
vals:
After every 25 hours of operation
► Clean the cutting blades.
► Sharpen the cutting blades.
Every 12 months
► Have hedge trimmer checked by a STIHL
servicing dealer.
15.2 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.
► Switch off the hedge trimmer and remove the
battery.

17 Troubleshooting

17.1 Troubleshooting the Hedge Trimmer or Battery
Fault LEDs on
hedge trimmer
Hedge trimmer 1 LED flashes
does not start green.
when switched
on.
1 LED lights
up steady red.
3 LEDs flash
red.
38
► 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.

16 Repairing

16.1
The hedge trimmer, cutting blades, battery and
charger are not user serviceable.
► 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.
► If the charger has a malfunction or is dam‐
aged: Replace the charger.
► If the connecting cable has a malfunction or is
damaged: Do not use the charger and have
connecting cable replaced by a STIHL servic‐
ing dealer.
Cause
State of charge of the
battery is too low.
The battery is too
warm or too cold.
There is a malfunction
in the hedge trimmer.
The cutting blades do
not run freely.
Repairing Hedge Trimmer, Bat‐
tery and Charger
Remedy
► Charge the battery.
► Remove the battery.
► Allow the battery to cool down or warm
up.
► Remove the battery and reinsert it.
► Switch on the hedge trimmer.
► If 3 LEDs continue to flash red: Do not
use your hedge trimmer and contact your
STIHL authorized dealer for assistance.
► Spray both sides of cutting blades with
STIHL resin solvent.
15 Maintenance
18.2.
0458-037-9801-A