MacDon M155, Operator'S Manual

Page: 360 / 510

MAINTENANCE AND SERVICING
Removing and Installing Secondary Air Filter
Replace the secondary air fi lter (A) every year or after every
third primary fi lter change (even if it appears clean).
If the secondary air fi lter is dirty, inspect the primary
fi lter and the fi lter canister to determine the reason for
contamination.
• Examine the fi lter canister for cracks and replace if
necessary.
• Ensure fi lter sealing surfaces are soft, fl exible, and
sealing properly. Hard seals may allow debris through
to the secondary
fi lter.
• Ensure canister retaining latches are secure.
NOTE:
• Do
NOT
remove the secondary
fi lter element unless it
needs replacing.
• Do
NOT
attempt to clean the secondary element (A).
Replace only.
Figure 5.70: Engine Air Cleaner
1. Remove the primary fi lter, refer to
Removing Primary
Air Filter, page 339
.
IMPORTANT:
When replacing secondary fi lter, reinsert new
fi lter as soon as possible to prevent dirt from
entering engine intake.
2. Remove the secondary element (A) from canister.
NOTE:
If replacing fi lter, refer to
8.2.4 Filter Part
Numbers, page 467
.
3. Insert new secondary fi lter element (A) into canister,
seal fi rst, and push until seal is seated inside canister.
4. Reinstall the primary fi lter, refer to
Installing Primary Air
Filter, page 342
.
Figure 5.71: Engine Air Cleaner
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344
Revision A