PAGE 26 — MC94SK/PK CONCRETE MIXER • OPERATION MANUAL — REV. #0 (06/22/22)
MAINTENANCE (ENGINE)
ENGINE AIR CLEANER (QUAD-CLEAN)
AIR CLEANER COVER REMOVAL
1. To remove the air cleaner cover from the base, pull
down on the locking latches as referenced in Figure 29.
2. Remove air cleaner cover and set aside.
PRE-CLEANER (EVERY 3 MONTHS/50 HOURS)
1. Remove pre-cleaner (foam filter element) as shown
Figure 29. Engine Air Cleaner (Quad-Clean)
NOTICE
Operating the engine without an air filter, with a
damaged air filter or a filter in need of replacement,
will allow dirt to enter the engine, causing rapid engine
wear.
NOTICE
DO NOT
use compressed air to clean the paper
element..
DANGER
DO NOT
use gasoline as a cleaning solvent to avoid
creating the risk of fire or an explosion.
AIR CLEANER
COVER
PRECLEANER
PAPER
ELEMENT
LATCH
2. Replace or clean foam element in warm, soapy water
or nonflammable solvent (Figure 30). Rinse and dry
thoroughly.
Figure 30. Cleaning Foam Element
3. Next, dip the element in clean engine oil and completely
squeeze out the excess oil from the element before
installing. The engine will smoke if too much oil is left
in the foam.
PAPER ELEMENT (EVERY 200 HOURS)
1. Remove pre-cleaner from paper element.
2. Next, remove paper element from base.
3. Install new paper element onto base and place clean
foam pre-cleaner over paper element.r
4. Position air cleaner cover over the base. For normal
operation (sun decal out) or cold weather operation
(snowflake decal out).
5. Lift up on the locking latches to secure air cleaner
cover to the base.
6. Reassemble the air cleaner, and tighten the wing nut
securely.
SOLVENT
ENGINE OIL
FOAM
ELEMENT
SQUEEZE
THOROUGHLY
CAUTION
If mixer is used in
DUSTY
areas replace pre-cleaner
and paper element more frequently.
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