John-deere stx38 User Manual download pdf (Page 161)

3/21/97

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ELECTRICAL

REPAIR

REMOVE AND INSTALL STARTER

NOTE: Some starters may have a relay located at the

right-hand rear corner of battery compartment.

When installing connector to relay, make sure

all barrel terminals stay locked on connector

stud.

1. Disconnect negative battery cable.

2. Disconnect starter cable (B) from starter.

3. Remove starter cap screws (A) and starter.

4. Install starter and cap screws to specification.

5. Clean and fasten starter cable (B) to starter.

6. Clean and connect negative battery cable.

Specification:

Starter Cap Screws . . . . . . . . . . 24 N•m (216 lb-in.)

REPLACE BENDIX DRIVE

Replace drive if drive fails to engage flywheel or kicks

out repeatedly before engine starts.

1. Remove dust cover (A).

2. Compress retainer (C) and remove stop clip (B).

3. Disassemble bendix drive (D).

4. Inspect and replace with new Bendix Drive Kit.

REPAIR STARTER AND REPLACE

BRUSHES

NOTE: Highlight upper and lower marks (A) on frame

and end caps to aid assembly. Permanent

magnets are part of frame. If frame or magnets

are damaged replace frame. Always test

armature anytime starter is disassembled (see

Armature Test on next page).

1. Remove long cap screws (B) then separate top end

cap and armature from frame and bottom end cap

(brush holder).

2. Clean commutator of armature with a coarse, lint

free cloth. DO NOT use emery cloth. If

commutator is badly grooved, turn it down on a

lathe or replace it.

3. Clean negative brushes (C) contact point with end

cap. Using Ohmmeter, check for

continuity

with

end cap. Replace negative brushes if

continuity

is indicated.

M55854

M55915

M55921

M55918

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John-deere stx38 User Manual Page 161

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