3-4L43C, 3-4M43, 3-4M43Z Maintenance
HATZ
67Manual
Procedure — Removing the air filter cartridge (engines 3-4M43 and 3-4M43Z)
Step Activity
1 Release the clamps (1) and remove the cover of the air filter
housing (2).
2 Remove adherent dirt in the air filter area.
3 Only loosen the screws (3) to the point where the filter cover
(4) can be removed with the filter cartridge (7).
4 Cover the opening in the intake pipe to prevent ingress of dirt
and other foreign bodies.
5 Clean the air filter housing cover (2), filter cover (4) and air fil-
ter housing (8).
6 Renew the bushing (6) if the spacer (5) is loose.
▪ The spacer (5) is connected with the screw (3) by the elastic
bushing (6) to ensure that it cannot fall into the intake pipe
during disassembly and assembly.
8.2.11 Checking and cleaning the air filter cartridge
Safety notes
CAUTION
Danger of injury.
When working with compressed air, foreign bodies may fly into
your eyes.
▪ Wear safety goggles.
▪ Never direct the compressed air jet toward people or toward
yourself.
NOTICE
▪ The pressure must not exceed 5bar.
▪ A distance of approx. 150mm must be maintained between
the filter cartridge and the compressed air gun.
▪ The filter cartridge may not be washed out or beaten out.
▪ Even minor damage in the areas of the sealing surface, filter
paper or filter cartridge makes it impossible to reuse the fil-
ter cartridge.
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