wsm M8540NARROW - Opc System (M9540 Narrow Cabin Model)

ELECTRICAL SYSTEM
M8540Narrow, M9540Narrow, WSM
N9-S19
[6] OPC SYSTEM (M9540NARROW CABIN MODEL)
Checking OPC System
WARNING
• Disconnect the implement drive universal joint from the
PTO shaft, if the implement has mounted.
1. Sit on the seat.
2. Run the engine.
3. Shift the PTO clutch control switch to "ON". Make sure the
warning buzzer does not whistle.
4. Stand up from the seat.
5. The warning buzzer whistles about one second after standing
up.
It whistles for 10 seconds.
9Y1210236ELS0027US0
Checking Seat Switch
1. Disconnect the connector from the cabin wire harness.
2. Check the continuity with an ohmmeter across the switch
terminals.
3. If it does not conduct or any value is indicated when the switch
is pushed (ON seat), the switch is faulty.
4. If infinity is not indicated when the switch is released (OFF seat),
the switch is faulty.
9Y1210236ELS0028US0
Buzzer
1. Remove the buzzer (1).
2. Connect the jumper lead across the battery positive terminal
and terminal 1 of connector.
3. Connect the jumper lead across the battery negative terminal
and terminal 2 of connector.
4. If the buzzer does not whistle, replace it.
9Y1210236ELS0029US0
(1) Seat Switch
Resistance (Across
switch terminals)
Refer-
ence
value
When switch
is pushed "P"
0 Ω
When switch
is released
"R"
Infinity
(1) Seat Switch P: Pushed
R: Released
(1) Buzzer
KiSC issued 07, 2013 A