20
Air Cleaner/Intake
KohlerEngines.com
32 690 01 Rev. D
Open air cleaner access door on blower housing and
unhook latch.
Precleaner (if equipped)
1. Remove precleaner.
2. Replace or wash precleaner in warm water with
detergent. Rinse and allow to air dry.
3. Saturate precleaner with new engine oil; squeeze
out excess oil.
4. Reinstall precleaner over paper element.
Paper Element
1. Remove element from base; service precleaner.
Discard element.
2. Install precleaner over new paper element and install
on base.
Hook latch; close and secure access door.
Air Cleaner Base
Disassembly/Reassembly
If air cleaner base requires removal, proceed as follows:
1. Remove mounting screws for fuel pump (if
equipped), and blower housing.
2. Raise or remove blower housing for access to air
cleaner base.
3. Remove air cleaner components from base.
4. Remove nuts securing air cleaner base onto
mounting studs.
5. Disconnect breather hose from air cleaner base,
then remove base and gasket.
6. Reverse procedure to reassemble components.
Torque nuts to 6.2-7.3 N·m (55-65 in. lb.). Torque
blower housing screws to 4.0 N·m (35 in. lb.), and
front HI-LO screws to 2.8 N·m (25 in. lb.).
BREATHER TUBE
Ensure both ends of breather tube are properly
connected.
AIR COOLING
WARNING
Hot Parts can cause severe burns.
Do not touch engine while operating or just
after stopping.
Never operate engine with heat shields or guards
removed.
Proper cooling is essential. To prevent over heating,
clean screens, cooling fins, and other external surfaces
of engine. Avoid spraying water at wiring harness or any
electrical components. Refer to Maintenance Schedule.
AIR CLEANER
These systems are CARB/EPA certified and components
should not be altered or modified in any way.
Air Cleaner Components
A
Precleaner
B
Paper Element
C
Air Cleaner Access
Door
D
Blower Housing
E
Latch
F
Air Cleaner Base
F
D
C
B
A
E
NOTE: Operating engine with loose or damaged air
cleaner components could cause premature
wear and failure. Replace all bent or damaged
components.
NOTE: Paper element cannot be blown out with
compressed air.