108
3
）
After drying the cartridge (not to exceed 50°C), reassemble the cartridge.
4
）
Never clean the cartridge by tapping it on a hard surface.
ATTENTION: Before installing the cleaned cartridge or replacing the
cartridge with a new one, the cartridge should be checked for damage. Method:
Place a light source inside the cartridge to see if there are any holes in the
cartridge. If holes are found, the cartridge cannot be used.
5.12.3.
Replace the air filter element
Replace the cartridge that has been
repeatedly cleaned 6 times or has been
used for 500 hours.
1
）
Follow the same procedure as the
cleaning operation instruction.
2
）
Test the quality of the new cartridge
by above mentioned light check
3
）
Install the new cartridge.
4
）
Install the butterfly screw and dust bin.
5.12.4.
Check the air inlet pipe
Check the air inlet pipe daily for signs of
possible engine damage such as worn spots,
damaged pipes, loose clamps or broken
pipes.
If necessary, replace damaged tubes and
tighten loose clamps to ensure no leaks in
the air intake system.
