Kohler Command CV730 User Manual download pdf (Page 52)

5.18

Section 5

Fuel System and Governor

2. Remove the three screws securing the cover to the

accelerator pump housing. Remove the cover,

spring, and diaphragm. See Figure 5-30.

Figure 5-30. Accelerator Pump Cover and

Diaphragm Removed.

3. Remove the retaining ring over the rubber check

valve, using a snap ring pliers. Remove the check

valve from the fuel delivery chamber. See Figure

5-31.

Figure 5-31. Removing Retaining Ring.

4. Clean the accelerator pump housing and cover as

required.

5. Install the new check valve into the fuel delivery

chamber. Secure with the new retaining ring. See

Figure 5-32.

Figure 5-32. Check Valve and Retaining Ring

Installed.

6. Notice the small alignment tab and the small

bead on one side of the outer diameter of the new

diaphragm. Install the diaphragm into the

housing, so the alignment tab is in the small

notch, the bead is down in the recessed channel,

and the “donut” around the metal center plate

should be out, facing you. See Figure 5-33.

Figure 5-33. Diaphragm Installed.

7. Install the new diaphragm spring and reinstall

the accelerator pump cover. Secure with the three

new screws. Torque the screws to 2.0 ± 0.6 N·m

(18.2 ± 5.2 in. lb.). See Figure 5-34.

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Kohler Command CV730 User Manual Page 52