Kohler COMMAND CH18-745 User Manual download pdf (Page 32)

4.5

Section 4

Air Cleaner and Air Intake System

Figure 4-12. Heavy-Duty Air Cleaner.

To Service

Every 250 hours of operation (more often under

extremely dusty or dirty conditions), replace the

paper element and check the inner element. Follow

these steps.

1. Unhook the two retaining clips and remove the

end cap from the air cleaner housing.

2. Pull the air cleaner element out of the housing.

See Figure 4-13.

4. Do not wash the paper element and inner

element or use compressed air, this will damage

the elements. Replace dirty, bent or damaged

elements with new genuine Kohler elements as

required. Handle the new elements carefully; do

not use if the sealing surfaces are bent or

damaged.

5. Check all parts for wear, cracks, or damage.

Replace any damaged components.

6. Install the new inner element, followed by the

outer element. Slide each fully into place in the air

cleaner housing.

7. Reinstall the end cap so the dust ejector valve is

down, and secure with the two retaining clips. See

Figure 4-12.

Removal

1. Remove the upper valve cover screws on each

side, securing the main bracket, and loosen the

hose clamp on the adapter inlet, or remove the

adapter mounting screws.

2. Lift the entire air cleaner assembly off the engine.

Disassemble or service as required.

Installation

1. Install the main mounting bracket with the center

section up and the cutout around the carburetor,

aligning the mounting holes with the four upper

valve cover holes.

2. Install and torque the four valve cover mounting

screws to 7.9 N·m (70 in. lb.).

3. Reconnect the hose to the adapter and tighten the

clamp, or install a new adapter gasket (if the

adapter was separated from the carburetor), and

torque the mounting fasteners to 7.3 N·m

(65 in. lb.).

NOTE: Adapter configurations may vary

depending on engine and application

involved. Two adapters are shown in

Figure 4-14.

Figure 4-13. Removing Elements.

3. After the element is removed, check the condition

of the inner element. It should be replaced

whenever it appears dirty, typically every other

time the main element is replaced. Clean the area

around the base of the inner element before

removing it, so dirt does not get into the engine.

Inner

Element

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Kohler COMMAND CH18-745 User Manual Page 32

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