Section 8 Check Starting Motor - Baja WD250U Service Manual

Section 8 Check Starting Motor
1. Check
• Reverser
If dirty clean with #600 sand paper
2. Measure
• Reverser diameter (a)
Does not meet specification-change the starting
motor
Outer diameter 28mm(1.10in)
(Wear range) 27mm(1.06in)
3. Measure
• Mica cut sheet (b)
Does not meet specification- scrape the mica with
square scraper
Mica cut sheet: 0.7mm(0.028in)
Scrape the mica with square scraper to get proper
dimension to fit the reverser.
4. Check
• Armature winding (insulation/power on)
Fail-replace starting motor
Check procedure of armature winding
• Connect the multitester to check power on (1)
and insulation (2) condition
• Measure the armature resistence
Inner resistence of armature winding
Power on condition check 1 :At
20˚C(68˚F), 0.004~0.005Ω
Insulation check: At 20˚C(68˚F),
exceed 1MΩ
• If the resistenance is incorrect, replace the mo-
tor.
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