wsm wg972-e4 User Manual

ENGINE
WG972-E4, WSM
1-S60
(9) Alternator
Bearing
1. Check the bearing for smooth rotation.
2. If it does not rotate smoothly, replace it.
9Y1211108ENS0108US0
Stator
1. Measure the resistance across each lead of the stator coil with
resistance range of circuit tester.
2. If the measurement is not within factory specification, replace it.
3. Check the continuity across each stator coil lead and core with
resistance range of circuit tester.
4. If infinity is not indicated, replace it.
9Y1211108ENS0109US0
Rotor
1. Measure the resistance across the slip rings.
2. If the resistance is not the factory specification, replace it.
3. Check the continuity across the slip ring and core with
resistance range of circuit tester.
4. If infinity is not indicated, replace it.
9Y1211108ENS0110US0
Slip Ring
1. Check the slip ring for score.
2. If scored, correct with an emery paper or on a lathe.
3. Measure the O.D. of slip ring with vernier calipers.
4. If the measurement is less than the allowable limit, replace it.
9Y1211108ENS0111US0
Brush Wear
1. Measure the brush length with vernier calipers.
2. If the measurement is less than allowable limit, replace it.
3. Make sure that the brush moves smoothly.
4. If the brush is damaged, replace it.
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Resistance Factory specification Less than 1.0 Ω
Resistance Factory specification 2.9 Ω
Slip ring O.D.
Factory specification
14.4 mm
0.567 in.
Allowable limit
14.0 mm
0.551 in.
Brush length
Factory specification
10.5 mm
0.413 in.
Allowable limit
8.4 mm
0.33 in.
KiSC issued 07, 2015 A

wsm wg972-e4 Specifications

General

Brand	wsm
Model	wg972-e4
Category	Engine
Language	English