ELECTRICAL
4--79
6100E 330255 (9--00)
MAIN BRUSH IS NOT OPERATING
NORMAL OPERATION:
1. The vacuum fan main brush switch turns on relay M2.
2. Relay M2 supplies power to the main brush motor.
TURN KEYSWITCH TO START POSITION THEN
RELEASE TO THE ON POSITION.
0 VOLTS
B+ VOLTAGE
0 VOLTS
ACTIVATE S--5 ON THE CONTROL PANEL
TO TURN ON THE MAIN BRUSH AND VAC-
UUM FAN. CHECK FOR VOLTAGE ON 1/RED
AND 17A/BLU AT RELAY M2.
6A/GRN, 10A/YEL, 10B/YEL, 16/GRY,
17A/BLU, CB--3, THERMAL SENTRY
SWITCH S--4, OR THE VAC/BRUSH
ROCKER SWITCH BETWEEN 16/GRY
AND 17A/BLU ARE OPEN.
CHECK FOR VOLTAGE BETWEEN
17A/BLU AND 13AA/BLK AT RELAY M2.
WIRE 13AA/BLK IS OPEN FROM
RELAY M2 AND MACHINE GROUND.
B+ VOLTAGE
CHECK FOR VOLTAGE ON
2A/ORA AT RELAY M2.
VAC FAN/MAIN BRUSH STILL ON
0 VOLTS
REPLACE RELAY M2
B+ VOLTAGE
CHECK FOR VOLTAGE ON
3/GRY AT CB--8.
0 VOLTS
WIRE 2A/ORA OR CB--8
IS OPEN
B+ VOLTAGE
DISCONNECT BRUSH MOTOR AND
CHECK VOLTAGE ACROSS 3/GRY
AND 13A/BLK AT THE CONNECTOR.
B+ VOLTAGE
0 VOLTS
WIRE 3/GRY OR 13A/BLK OR
BRUSH MOTOR CONNECTORS
ARE OPEN.
BRUSH MOTOR OR ITS AS-
SOCIATED WIRES ARE OPEN.
NOTE: THE MACHINE
POWERS UP AND
PROPELS
Summary of Contents for 6100E
Page 1: ...330255 Rev 02 6 01 Service Manual 6100E ...
Page 4: ...GENERAL INFORMATION 1 2 6100E 330255 6 01 ...
Page 18: ...CHASSIS 2 2 6100E 330255 9 00 ...
Page 27: ...CHASSIS 2 11 6100E 330255 9 00 7 Remove the hub assembly from the tire assembly ...
Page 82: ...CHASSIS 2 66 6100E 330255 9 00 ...
Page 144: ...ELECTRICAL 4 2 6100E 330255 9 00 ...
Page 210: ...ELECTRICAL 4 68 6100E 330255 6 01 ELECTRICAL SCHEMATIC 1 2 3 ...
Page 211: ...ELECTRICAL 4 69 6100E 330255 6 01 ELECTRICAL SCHEMATIC 1 2 3 ...
Page 212: ...ELECTRICAL 4 70 6100E 330255 6 01 WIRE HARNESS ...
Page 213: ...ELECTRICAL 4 71 6100E 330255 6 01 WIRE HARNESS ...
Page 214: ...ELECTRICAL 4 72 6100E 330255 6 01 WIRE HARNESS ...