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Section 6 Check starting Motor
1.Check
.Reverser
Not clean ¡úClean with #600 sand paper
2.Ensure
.Reverser diameter @
Not conforming to specification ¡úchange the
starting motor
Outer diameter
28mm(1.10in)
(Wear range)
27mm(1.06 in)
3.Measure
.Mica cut sheet
Not conform to specification ¡úScrape the
mica with square scraper
Mica cut sheet:0.7mm(0.028 in)
Remark
Scrape the mica with square scraper to get
proper dimension fit the reverser.
4.Check
.Armature winding (insulation /power on)
Failure ¡úReplace starting motor
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Check procedure of armature winding
.Connnect the multimeter to check power on
¢Ùand insulation¢Ú condition
.Measure the armature resistance
Inner resistance of armature winding
Power on condition check :At 20¡æ
(68¡ã F)0.004~0.005¦¸
Insulation check :At 20¡æ (68¡ã F)ex-
ceed 1M ¦¸
.If the resistance is incorrect, replace the motor.
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