Kohler Command CV730 User Manual download pdf (Page 140)

8.24

Section 8

Electrical System and Components

Electric Starting Motors

Some engines in this series use inertia drive starting

motors while most use solenoid shift starters. The

inertia drive types are covered first and the solenoid

shift types following.

Starting Motor Precautions

NOTE: Do not crank the engine continuously for

more than 10 seconds at a time. If the engine

does not start, allow a 60-second cool-down

period between starting attempts. Failure to

follow these guidelines can burn out the

starter motor.

NOTE: If the engine develops sufficient speed to

disengage the starter but does not keep

running (a false start), the engine rotation

must be allowed to come to a complete stop

before attempting to restart the engine. If the

starter is engaged while the flywheel is

rotating, the starter pinion and flywheel ring

gear may clash, resulting in damage to the

starter.

Problem Possible Fault Correction

1. Check the specific gravity of battery. If low, recharge or replace

battery as necessary.

1. Clean corroded connections and tighten loose connections.

2. Replace wires in poor condition and with frayed or broken

insulation.

1. By-pass the switch or solenoid with a jumper wire. If starter

cranks normally, replace the faulty components. Solenoid Shift

Starters: Perform individual solenoid test procedure. See pages

8.39 and 8.40.

1. Check the specific gravity of battery. If low, recharge or replace

battery as necessary.

1. Check for excessively dirty or worn brushes and commutator.

Clean using a coarse cloth (not emery cloth).

2. Replace brushes if excessively or unevenly worn.

1. Make sure the clutch or transmission is disengaged or placed in

neutral. This is especially important on equipment with

hydrostatic drive. The transmission must be exactly in neutral to

prevent resistance which could keep the engine from starting.

2. Check for seized engine components such as the bearings,

connecting rod, and piston.

Starter

Does Not

Energize

Starter

Energizes

but Turns

Slowly

Battery

Wiring

Starter Switch

or Solenoid

Brushes

Transmission

Engine

Battery

NOTE: If the starter does not crank the engine, shut

off the starter immediately. Do not make

further attempts to start the engine until the

condition is corrected.

NOTE: Do not drop the starter or strike the starter

frame. Doing so can damage the starter.

Starter Removal and Installation

Refer to the “Disassembly” and “Reassembly”

Sections for starter removal and installation

procedures.

Inertia Drive Electric Starters

This subsection covers the operation, troubleshooting,

and repair of the inertia drive, and permanent magnet

electric starters.

Troubleshooting Guide – Starting Difficulties

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