Husqvarna K 770 Operator's Manual page 27

To clean externally
• Flush the product externally with clean water after
each day of operation. If it is necessary, use a brush.
To clean the air intake
CAUTION: A dirty or blocked air intake
makes the product too hot. This can cause
damage to the piston and cylinder.
• Clean the air intake if it is necessary.
• Remove blockage, dirt and dust with a brush.
To do a check of the spark plug
CAUTION: 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
to Technical data on page 35 .
Examine the spark plug if the product is low on power,
does not start easily or if it operates unsatisfactorily at
idle speed.
1. Loosen the 3 screws on the air filter cover and
remove the air filter cover.
1447 - 001 - 16.04.2020
2. Make sure that the spark plug cap and ignition cable
are not damaged.
WARNING: A damaged spark plug cap
and ignition cable can cause electrical
shock.
3. Clean the spark plug if it is dirty.
4. Disconnect the spark plug cap and remove the spark
plug.
5. Make sure that the electrode gap is 0.5 mm.
6. If it is necessary, replace the spark plug.
To do a general inspection
• Make sure that all nuts and screws on the product
are tightened correctly.
To replace the drive belt
WARNING: Do not start the product without
all guards and covers installed.
0.5 mm
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