Electric Start System. 5-1 - Lawn-Boy M Series Service Manual

ELECTRIC START
SYSTEM
Disconnect connector "E" "F", handle
wiring harness from engine wiring harness.
Connect ohmmeter (RX-1 scale) or continuity
light to "F" connector white and green terminals.
Turn key and check for continuity.
SPECIFICATION
Key In Start Position
Continulty
Key In Run Position
No Contlnuity
If both specification conditions are not met,
i
check wiring hamess for shorted, crimped or
broken wires. Repair/replace as necessary.
Test switch in handle console assembly. Re-
place switch.
Retest new switch for continuity.
Disconnect connector "C" D", starter motor
from engine wiring harness.
Disconnect leads from terminals 85 and
86 on starter relay. Using ohmmeter (RX-1
scale) measure resistance.
SPECIFICATION
Starter Relay Resistance
50 100 ohms
Replace relay if not within specification.
Reconnect leads to terminals 85 and 86.
Disconnect leads to terminals 87 and
30
on starter relay. Using ohmmeter (RX-1 scale) or con-
tinuity light connected to terminals 87 and 30. Energize starter relay with key switch and check
continuity.
SPECIFICATION
Key
In
Start Position Continuity
Key
In
Run Posltlon No Continuity
If no change in continuity occurs, replace starter relay.
Reconnect all electrical connectors.
Retest new starter relay for continuity.
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