2-S2
B7800HSD (SUPPLEMENT), WSM
ELECTRICAL SYSTEM
2. CHECKING AND SERVICING
[1] STARTING SYSTEM
(1) Checking and Servicing
(A) Safety Switches
Checking Safety Switches
A defective location can be adjusted by checking the function of
the safety switches one by one in the table below.
(Reference)
W1011203
Clutch Pedal Switch, Speed Control Pedal Switch, Mid-PTO
Shift Lever Switch and PTO Shift Lever Switch Continuity
1. Refer to former B2410-B2910 WSM (97897-12271) page 9-S10.
2. If the safety switch is defective, replace it.
W1011406
Seat Switch Continuity
1. Disconnect the leads from the seat switch (1).
2. Connect the circuit tester to the seat switch connectors (2).
3. Measure the resistance between the connectors (2) of the seat
switch (1).
4. If the seat switch is defective, replace it.
W1011523
Seat Reverse Switch Continuity
1. Disconnect the leads from the seat reverse switch (1).
2. Connect the circuit tester to the seat reverse switch connectors
(2).
3. Measure the resistance between the connectors (2) of the seat
reverse switch (1).
4. If the seat reverse switch is defective, replace it.
W1011668
Safety switch name
Switch type
Clutch pedal switch
Normal open
Speed control pedal switch
Normal open
Mid-PTO shift lever switch
(Mid-PTO model)
Normal open
Rear-PTO shift lever switch
Normal open
Seat switch
Normal open
Seat reverse switch
Normal open
(1) Clutch Pedal
(2) Speed Control Pedal
(3) Mid-PTO Gear Shift Lever
(4) Rear-PTO Gear Shift Lever
(5) Seat Switch
(6) Seat Reverse Switch
Safety switch (clutch pedal switch,
speed control pedal switch, mid-PTO
shift lever switch and PTO shift lever
switch) resistance (across switch
terminal)
When switch is
pushed
0
Ω
When switch is free
Infinity ohms
(1) Seat Switch
(2) Connector
(3) Seat
(1) Seat Reverse Switch
(2) Connector
(3) Seat
KiSC issued 09, 2007 A
Содержание B2910
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Страница 392: ...B7800 HSD SUPPLEMENT WORKSHOP MANUAL TRACTOR KiSC issued 09 2007 A...
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Страница 397: ...CONTENTS GENERAL 1 FEATURES G 1 2 TIRES G 2 1 TIRE PRESSURE G 2 2 FRONT TREAD G 2 KiSC issued 09 2007 A...
Страница 400: ...1 HYDRAULIC SYSTEM KiSC issued 09 2007 A...
Страница 415: ...2 ELECTRICAL SYSTEM KiSC issued 09 2007 A...
Страница 417: ...2 M1 B7800HSD SUPPLEMENT WSM ELECTRICAL SYSTEM 1 WIRING DIAGRAM KiSC issued 09 2007 A...
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