Simplicity Broadmotor Series Service & Repair Manual page 57

GENERAL INFORMATION
Section Contents ......................................................................... 7-2
System Description.......................................................................7-2
Principles of Operation ................................................................ 7-3
Safety Interlock System ............................................................... 7-3
Checking Out the System ............................................................ 7-3
Model Variation Notes ................................................................. 7-3
EXPLODED VIEW DIAGRAMS
Exploded View Diagrams..............................................................7-4
IGNITION SWITCH SERVICE BULLETIN
Bulletin ..........................................................................................7-8
LINEAR DIAGRAMS
Linear Circuit Diagrams ................................................................7-9
COMMON "NO START" CIRCUIT TESTS
Cranking Circuit Test ..................................................................7-12
Safety Shut Down Test ...............................................................7-14
COMPONENT LOCATION AND REPLACEMENT
Component Location & Replacement .........................................7-16
TROUBLESHOOTING
Troubleshooting Flow Charts..................................................... 7-20
COMPONENT TESTS
General Testing Information .......................................................7-24
A. Check/Clean Wires and Connectors .....................................7-24
B. Check/Clean Ground Cable...................................................7-24
C. Battery Tests .........................................................................7-25
D. Isolated Battery Voltage Check .............................................7-26
E. Charging Voltage Check........................................................7-26
F. Interlock Module ....................................................................7-26
G. Ignition Switch Tests..............................................................7-26
H. Test Solenoid.........................................................................7-28
I. Solenoid Bench Test .............................................................7-28
J. PTO Switch Test....................................................................7-30
K. Cruise Control Switch Test ....................................................7-31
L. Brake Pedal Switch Tests......................................................7-31
M. Seat Switch Safety Interlock Test..........................................7-32
N. Seat Switch Test....................................................................7-32
O. Circuit Breaker Test...............................................................7-33
P. PTO Clutch ...........................................................................7-33
Q. Headlight Switch Test............................................................7-33
R. Fuel Solenoid Test.................................................................7-33
S. Voltage Regulator .................................................................7-33
T. Alternator ..............................................................................7-33
7 Electrical System Service
7 - 1
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