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Starter motor, Check starter motor drive, Disassemble starter motor drive – Generac Power Systems TXP User Manual

Page 82: Check starter motordrive, Assemble starter motor drive

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G E N E R A L

STARTER MOTOR

14

PLASTIC

CAP

PINION

pin

''

SPpViSa SPBINO

iNo C

ap

An exploded view of the starter is shown above. The starter uses a

gear type engagement, similar to an automobile. Energizing the starter

motor causes the helix on the starter to drive a pinion gear into eng­

agement with a ring gear. The pinion gear then cranks the engine.

C H E C K S T A R T E R M O T O R D R I V E

#

When the starter motor is energized, the pinion gear should move out

on its helix to engage the ring gear. If the motor drive does not re­

act properly, inspect helix-and pinion gear for freedom of movement.

If sticking or binding occur, the condition must be corrected. Pinion

must move freely on its helix. DO NOT LUBRICATE DRIVE ASSEMBLY.

D I S A S S E M B L E S T A R T E R M O T O R D R I V E

Clamp starter drive cap in a vise.

DO NOT CLAMP MOTOR SHELL IN VISE.

Use two screwdrivers to remove the

plastic cap, as shown. If cap be­

comes damaged, it must be replaced,

Use a 1/8 inch diameter punch and

a hammer to drive the roll pin out.

Rest retainer in a wood V-block, as

shown.

Issued 5-78

14.1