Kohler COMMAND CH18-745 User Manual download pdf (Page 31)

4.4

Section 4

Air Cleaner and Air Intake System

Figure 4-9. Bracket Retaining Screw.

Air Cleaner Element Cover and Seal - Make sure

element cover is not bent or damaged. Make sure the

wing nut and seal are in place to ensure the element is

sealed against leakage.

Air Cleaner Base - Make sure the base is secured

tightly to the carburetor and not cracked or damaged.

Breather Tube - Make sure the tube is attached to

both the air cleaner base and the breather cover.

NOTE: Damaged, worn or loose air cleaner

components can allow unfiltered air into the

engine causing premature wear and failure.

Tighten or replace all loose or damaged

components.

Complete Disassembly and Reassembly -

Standard Type

If the base plate on the standard type has to be

removed, proceed as follows:

1. Remove air cleaner components as described

earlier.

2. Remove the hex. flange screws securing the

bracket and base. See Figures 4-9 and 4-10.

Remove the bracket.

3. Pinch the sealing collar on the breather hose and

push it down through the hole in the air cleaner

base. Carefully feed the upper section of the

breather tube down through the base. See Figure

4-11.

4. Remove the base and gasket.

5. Reverse the procedure to reinstall new or serviced

components. Torque screws to 9.9 N·m

(88 in. lb.).

Heavy-Duty Air Cleaner

General

The heavy-duty air cleaner consists of a cylindrical

housing, typically mounted to a bracket off the upper

valve cover screws, and connected with a formed

rubber hose to an adapter on the carburetor or throttle

body/intake manifold (EFI units). The air cleaner

housing contains a paper element and inner element,

designed for longer service intervals. The system is

CARB/EPA certified and the components should not be

altered or modified in any way.

Figure 4-10. Rear Mounting Screws (Used with

Plastic Intake Manifold).

Figure 4-11. Breather Tube.

Air Cleaner Components

Whenever the air cleaner cover is removed, or the

paper element or precleaner are serviced, check the

following:

Rear Mounting

Screws

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 217 218

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Kohler COMMAND CH18-745 User Manual Page 31

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