To Examine The Spark Plug; To Do A General Inspection; To Replace The Drive Belt - Husqvarna K 770 Vac Manual Del Usuario

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Clean the cold air intake if it is necessary.

To examine the spark plug

Note: Always use the recommended spark plug type.
Use of the incorrect spark plug can cause damage to the
piston and cylinder. For recommended spark plug refer
Technical data on page 30 .
to
Oil particles on the spark plug can occur if an incorrect
fuel mixture or too much oil is used. A dirty air filter can
also cause oil particles on the spark plug. Small particles
on the spark plug electrodes can cause problems to
start and operate the product. Always examine the spark
plug if the product is low on power, if it does not start
easily or if it runs unsatisfactorily at idle speed.
1. Make sure that the spark plug cap and ignition are
not damaged to prevent the risk of electrical shock .
2. Clean the spark plug if it is dirty.
3. Do a check that the electrode gap is 0.5 mm. If it is
necessary, replace the spark plug.
0.5 mm

To do a general inspection

Make sure that the nuts and screws on the product
are tightened.

To replace the drive belt

WARNING: Do not start the product without
all guards and covers installed.
705 - 002 - 12.11.2018
1. Loosen the 3 nuts on the cutting head. Loosen the
belt tension with the adjuster screw.
2. Remove the screw and the nuts. Remove the front
belt guard.
3. Remove the 2 screws on the rear belt guard.
Remove the belt guard.
4. Remove the drive belt.
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