MacDon M155 Operators Manual - Manual (Page 315)

MAINTENANCE AND SERVICING
7. Pull out the primary filter element (A).
IMPORTANT:
Be extremely careful with the dirty element,
until you get it completely out of the housing.
Accidentally bumping it while still inside means
dropped dirt and dust may contaminate the clean
side of your filter housing, before the new filter
element has a chance to do its job.
Figure 5.73: Engine Air Cleaner
IMPORTANT:
• Do NOT remove the secondary (inner) filter
element (A) unless it needs replacing. It must
NEVER
be cleaned.
• Replace secondary filter element annually or
after every third primary filter change, even if
it looks clean.
• If the secondary element looks dirty, a further
inspection will be required.
• Examine filter canister for cracks and replace
as necessary.
• Ensure canister retaining latches are secure.
• Ensure filter sealing surfaces are soft, flexible
and sealing, not hard, and allowing debris
through to safety filter.
Figure 5.74: Engine Air Cleaner
8. Clean the inside of the canister housing and end cap
carefully. Dirt left in the air cleaner housing may be
harmful to your engine.
• Use a clean, water-dampened cloth to wipe every
surface clean.
• Check it visually to make sure it is clean before
putting in a new element.
• Always clean the gasket sealing surfaces of the
housing. An improper gasket seal is one of the most
common causes of engine contamination.
• Make sure that all hardened dirt ridges are
completely removed wherever filter gaskets contact
the cleaner housing.
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