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MAINTENANCE
Gear housing
There are three grease nipples on the gear housing. Use a
grease gun to top up with grease. This should be carried out
approximately every 20 working hours. Use Husqvarna
special grease, part no. 503 98 96-01.
CAUTION! The gear housing must not be filled completely
with grease. The grease expands as the machine heats up
during operation. If the gear housing was completely filled
with grease it could damage the seals and lead to leakage of
grease.
The grease in the bevel gear does not normally need to be
changed except if repairs are carried out.
Cleaning and lubrication
After you have used the machine clean any resin and plant
residue from the blades using cleaning agent 531 00 60-75
(UL22).
Always lubricate the blade bars with special grease, part no.
531 00 60-74 (UL 21) before use.
Maintenance schedule
Below you will find some general maintenance instructions. If
you need further information please contact your service
workshop.
Daily maintenance
1 Clean the outside of the machine.
2 Check that the components of the throttle control work
safely. (Throttle lock and throttle control.)
3 Check that the stop switch works correctly.
4 Check that the blades do not move when the engine is
idling or when the choke is in the start throttle position.
5 Clean the air filter. Replace if necessary.
6 Check that the hand guard is not damaged. Replace the
guard if damaged.
7 Check that nuts and screws are tight.
8 Check that there are no fuel leaks from the engine, tank or
fuel lines.
Weekly maintenance
1 Check the starter and starter cord.
2 Check that the vibration damping elements are not
damaged.
3 Clean the outside of the spark plug. Remove it and check
the electrode gap. Adjust the gap to 0.5 mm or replace the
spark plug. Check that the spark plug is fitted with a
suppressor.
4 Clean the cooling fins on the flywheel.
5 Clean or replace the spark arrestor mesh on the muffler
(only applies to mufflers without a catalytic converter).
6 Clean the carburettor compartment.
7 Clean the cooling fins on the cylinder and check that the
air intake near the starter is not blocked.
8 Fill the gear housing with grease. This should be carried
out approximately every 20 working hours.
9 Check that the screws that hold the blades together are
correctly tightened.
Monthly maintenance
1 Clean the fuel tank.
2 Clean the outside of the carburettor and the space around
it.
3 Clean the fan and the area around it.
4 Check the fuel filter and the fuel hose. Replace if
necessary.
5 Check all cables and connections.
6 Check the clutch, clutch springs and the clutch drum for
wear. Replace if necessary.
7 Replace the spark plug. Check that the spark plug is fitted
with a suppressor.
8 Check and clean the spark arrestor mesh on the muffler
(only applies to mufflers fitted with a catalytic converter).
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