Repair manual

10 Maintenance

99 Cleaning/Changing the air filter

• Take the prefilter (17) out of the filter cover.

• Pull the air filter cartridge (18) out of the hood.

• Take the internal filter (16) off the suction head.

Note: Protect the carburetor to prevent dirt from falling into it!

• Put the multifunction switch in the "Choke" position or cover the carburetor

with a clean cloth.

1. Prefilter (foam) and internal filter.

• Wash out the dirty prefilter (1) and internal filter (3) in warm soap water using

household dish washing detergent. Allow the prefilter (1) and internal filter (3)

to completely dry.

Note: The prefilter (1) must be cleaned daily; if an unusual amount of dust is

produced, several times a day. Renew the prefilter after ever 20 hours

of operation at the latest.

• To increase the filtering performance, you can spray the prefilter (1) with air

filter oil. Before you apply the air filter oil, make sure to carefully clean the filter

with the air filter cleaner. Observe the manufacturer's instructions at all times.