Service Manual

Part Numbers
38-1420
Purpose
This switch monitors whether or not an operator is in the seat.
How It Works
The switch is open without an operator and closed with an operator. The
ribbon operates a friction mechanism which, in turn, activates the switch.
A removable cover provides access to the switch contacts.
Testing
Note: Because of the friction mechanism, it is possible to get false
readings with the switch removed from the seat. Perform testing with the
switch in place.
1. Disconnect the switch from the circuit, but do not remove from the seat.
2. Verify the conditions in the table.
Part Numbers
102138
Purpose
Typically used to provide switching for the lights.
How It Works
Contacts inside the switch physically connect the two terminals to provide
continuity. It is an SPST switch with a load capacity of 3 Amps at 250 V, and
6 amps at 125 V.
Testing
1. Remove the switch from the wiring harness.
2. Using a VOM or test lamp, test the switch with the lever in one position
and note whether or not there is continuity.
3. Flip the switch, then recheck to ensure that the status has changed.
Part Numbers
113191, 92-9844
Purpose
This rocker switch is typically used to provide switching for lights.
How It Works
The switch has contacts inside which connect the two terminals in one
position while disconnecting them in the other. It is an SPST type rocker
switch with 8 amp capacity at 12 volts.
Testing
1. Disconnect the switch from the wiring harness.
2. Verify the following:
a. the terminals are not continuous when off.
b. the terminals are continuous when the switch is on.
Switch
Interlock
Switch
Light
Switch
Light
Condition Status
Operator On Closed
Operator Off Open
Glossary
GLOSSARY
3-30 Demystification Guide