Case 621G Stage IV, Original Instructions Manual

Page: 321 / 430

7 - MAINTENANCE
Primary engine air filter - Replace
Check the engine air filter periodically for dirt and debris build up. Replace the engine primary and secondary air filter
every 2000 hours or each year, whichever occurs first.
Prior operation:
Keep all non-authorized personnel clear of the area. Park the machine on level ground, in neutral with the parking
brake applied and the attachment lowered to the ground.
NOTE: replace the primary element if the filter warning lamp on the instrument cluster illuminates or the audible alarm
sounds. if the caution warnings continue after he primary filter replacement, replace the secondary filter as well.
NOTE: Replace the filters more often if conditions so require.
1. Lower the bucket/attachment to the ground and install
the transport/service link into the locked position.
2. Raise the engine hood to access the engine air filters.
The engine air filter is located on the left-hand side of
the machine, behind the main engine compartment.
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3. Release the four clips that secure the filter cover.
Remove the cover.
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4. Remove the primary filter element. Use the handle to
pull the element up and straight out of housing.
NOTE: remove extra debris and wipe the inside of the filter
housing with a clean cloth before installing new filter ele-
ments.
5. Install the new primary filter by sliding it towards the
rear of the machine and down into the housing.
6. Make certain the primary and secondary filters form an
effective seal.
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