Troubleshooting Schedule; Troubleshooting - Husqvarna K 770 Dry Cut Bedienungsanweisung

Note: The air filter must not be cleaned or blown clean
with compressed air. This will damage the filter.
1. Loosen the 3 screws on the air filter cover.
2. Remove the air filter cover.

Troubleshooting schedule

WARNING: Make sure that the engine is off
and the stop switch is in the STOP position
Problem
The product does not start.
The cutting blade rotates at idle
speed.
The cutting blade does not rotate
when the operator throttles up.
861 - 003 - 12.11.2018
3. Loosen the 2 screws on the air filter pulley and
4. Remove the air filter.
5. Install the new air filter.
6. Replace the air filter pulley.
7. Tighten the 2 screws.
8. Replace the air filter cover.
9. Tighten the 3 screws.

Troubleshooting

Cause
The start procedure is done incor-
rectly.
The stop switch in the right (STOP)
position.
There is no fuel in the fuel tank.
The spark plug is defective.
The clutch is defective.
The idle speed is too high.
The clutch is defective.
The belt is too loose or defective.
The clutch is defective.
The cutting blade is installed incor-
rectly.
remove it.
before maintenance and troubleshooting,
unless the instructions tell you differently.
Possible solutions
Refer to
cold engine on page 19 and To start
the product with a warm engine on
page 21 .
Make sure that the stop switch
(STOP) is in the left position.
Fill with fuel.
Replace the spark plug.
Speak to your service agent.
Adjust the idle speed.
Speak to your service agent.
Tighten the belt or replace the belt
with a new one.
Speak to your service agent.
Make sure that the cutting blade is
correctly installed.
To start the product with a
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