T65 Series Vertical Shaft Engines
68
Troubleshooting the Stop Switch
To access the stop switch:
1. Drain the fuel out of the fuel tank into an approved
container.
2. Disconnect the fuel line from the tank.
3. Remove the recoil starter by following the proce-
dures described in Chapter 6: Starters
4. Lift the blower housing off of the engine.
NOTE: The stop switch is mounted to the Engine
Brake See Figure 7.2.
To test the stop switch:
4a. Locate the wire from the primary windings of
the Ignition Module and disconnect it from the
stop switch. See Figure 7.2.
4b. Connect an Ohm meter between the terminal
and a ground point. The reading should
approach zero when the bail is released or the
switch is turned off, closing the contacts. See
Figure 7.3.
NOTE: If the reading is high, the contact may be
burnt or there is a bad ground to the switch.
This could prevent the engine from shutting
down rapidly.
4c. The reading should show no continuity when
the bail is pulled down. See Figure 7.4.
NOTE: If the reading shows continuity, the module
is shorted to ground and may not produce a
spark. The wire will need to be traced back
to the module to find the short.
Figure 7.2
Stop Switch
Contact
Figure 7.3
Ground connection
Stop
switch
connection
Safety bail in
OFF position
Figure 7.4
Safety bail in
ON position
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