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ELECTRICAL SYSTEM 17-49
Electric Starter System
Starter Motor Brush Length
•
Measure the overall length [A] of each brush.
Starter Motor Brush Length
Standard: 12.5 mm (0.49 in.)
Service Limit: 5 mm (0.20 in.)
If any is worn down to the service limit, replace the brush
plate assembly.
Brush Assembly Inspection
•
Using the × 1 Ω range, measure the resistance as shown.
[A] Terminal Bolt and Positive Brush
[B] Brush Plate and Negative Brush
If there is not close to zero ohms, the brush lead has an
open. Replace the brush plate assembly.
Brush Plate and Terminal Bolt Inspection
•
Using the highest range, measure the resistance as fol-
lows:
[A] Terminal Bolt and Right - Hand End Cover
[B] Terminal Bolt and Brush Plate
If there is any reading, the brush holder assembly has a
short. Replace the brush plate assembly.
Starter Relay Inspection
•
Remove:
Seat (see Frame chapter)
Starter Relay [A]
•
Connect the hand tester [A] and a 12 V battery [B] to the
starter relay as shown.
If the relay does not work as specified, the relay is defec-
tive. Replace the relay.
Te sting Relay
Hand Tester Range: × 1Ω range
Criteria: When battery is connected ⇒ 0 Ω
When battery is disconnected ⇒
∞Ω