Briggs & Stratton Vanguard 430000, User Manual

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Figure 28
2. Check for continuity between slip ring and
rotor shaft.
• Meter should display “OL,” (no continuity).
3. Measure slip ring diameter (Figure 29).
• Standard: 0.567 in. (14.4 mm)
• Reject: 0.551 in. (14.0 mm)
NOTE: Slip rings may be cleaned with fine
sandpaper (#300 - 500 grit).
Figure 29
Check Brushes
Measure length of brushes protruding from brush
holder (Figure 30).
• Standard: 0.413 in. (10.5 mm)
• Reject: 0.315 in. (8.0 mm)
Figure 30
Check Regulator
1. Set the meter to the +)))) position.
2. Attach BLACK meter test lead to terminal ( A ,
Figure 31).
3. Contact Red meter to terminal ( B ).
Figure 31
• Meter should “beep” once.
• If meter displays “OL” or makes a
continuous tone, regulator is defective.
Replace regulator.
Check Rectifier
1. Set meter to the +))))) position.
2. Attach BLACK meter test lead to “B” terminal
(Figure 32). Leave attached through Step 4.
3. Contact ( A ) terminal with red meter test lead.
• Meter should “beep” once.