Daily
Weekly
Monthly
Yearly
Clean
External cleaning
Spark plug
Cold air intake
Fuel tank
Replace
Fuel filter
Function inspec-
tion
General inspection
Vibration damping sys-
tem*
Fuel system
Throttle lockout*
Muffler*
Air filter
Stop switch*
Drive belt
Clutch
Blade guard, blade guard
extender and dust shiled*
Carburetor
Cutting blade*
Starter housing
Dust equipment**
Safety devices on the product on page 110
.
Dust collection equipment on page 120
.
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 cold air intake
Note: A dirty or blocked air intake makes the product too
hot. This can cause damage to the piston and cylinder.
• 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
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.
128
861 - 004 - 27.02.2019
Summary of Contents for K 770 Dry Cut
Page 139: ...861 004 27 02 2019 139 ...