Kohler Command CV730 User Manual download pdf (Page 141)

8.25

Section 8

Electrical System and Components

Operation - Inertia Drive Starters

When power is applied to the starter, the armature

rotates. As the armature rotates, the drive pinion

moves out on the drive shaft splines and into mesh

with the flywheel ring gear. When the pinion reaches

the end of the drive shaft, it rotates the flywheel and

“cranks” the engine.

When the engine starts, the flywheel rotates faster

than the starter armature and drive pinion. This moves

the drive pinion out of mesh with the ring gear and

into the retracted position. When power is removed

from the starter, the armature stops rotating and the

drive pinion is held in the retracted position by the

anti-drift spring.

Starter Drive Service

Every 500 hours of operation (or annually, whichever

occurs first), clean and lubricate the splines on the

starter drive shaft. If the drive pinion is worn, or has

chipped or broken teeth, it must be replaced. See

Figure 8-34.

It is not necessary to completely disassemble the

starter to service the drive components.

Style ‘‘A’’ Drive Service

1. Remove the starter from the engine and remove

the dust cover.

2. Hold the drive pinion in a vice with soft jaws

when removing or installing the stop nut. The

armature will rotate with the nut until the drive

pinion stops against internal spacers.

NOTE: Do not over-tighten the vise as this can

distort the drive pinion.

3. Remove the stop nut, stop gear spacer, anti-drift

spring, dust cover spacer, and drive pinion.

4. Clean the splines on the drive shaft thoroughly

with solvent. Dry the splines thoroughly.

5. Apply a small amount of Kohler electric starter

drive lubricant, (see Section 2) to the splines. The

use of other lubricants may cause the drive pinion

to stick or bind.

6. Apply a small amount of Loctite

No. 271 to the

stop nut threads.

7. Install the drive pinion, dust cover spacer, anti-

drift spring, stop gear spacer, and stop nut.

Torque the stop nut to 17.0-19.2 N·m

(150-170 in. lb.). Reinstall the dust cover.

Style ‘‘A’’

Style ‘‘B’’

Style ‘‘A’’

Style ‘‘B’’

Figure 8-34. Inertia Drive Electric Starter.

Dust Cover

Drive Nut (Collar)

Dust Cover Spacer

Retaining Ring

Anti-Drift Spring

Drive Pinion

Dust Cover

Stop Nut

Stop Gear Spacer

Anti-Drift Spring

Dust Cover

Spacer

Drive Pinion

Spring Retainer

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Kohler Command CV730 User Manual Page 141

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