Tennant 5300T, Service Manual

Page: 55 / 98

ELECTRICAL
4Ć1
5300T MM382 (10–94)
CONTENTS
Page
BATTERIES 4-3 . . . . . . . . . . . . . . . . . . . . . . . . . .
TO CHARGE THE BATTERIES 4-4 . . . . . .
INSTRUMENT PANEL 4-6 . . . . . . . . . . . . . . . . .
TO REMOVE THE INSTRUMENT
PANEL 4-6 . . . . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE BRUSH MOTOR
CONTACTOR 4-6 . . . . . . . . . . . . . . . . . . .
TO REPLACE VACUUM FAN RELAY 4-7 .
TO REPLACE BRUSH OR VACUUM FAN
MOTOR CIRCUIT BREAKERS 4-7 . . . .
TO REPLACE MAIN CIRCUIT
BREAKERS 4-8 . . . . . . . . . . . . . . . . . . . .
TO REPLACE BRUSH PRESSURE
AND AMP GAUGE 4-8 . . . . . . . . . . . . . .
TO REPLACE BATTERY VOLTAGE
METER 4-9 . . . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE MAIN POWER OR
SOLUTION ROCKER SWITCH 4-9 . . .
TO REPLACE JUMPER PLUG 4-10 . . . . . .
TO REPLACE THE HANDLE BAR 4-11 . . .
TO REPLACE GEAR AND HUB
ASSEMBLY 4-11 . . . . . . . . . . . . . . . . . . . .
TO REPLACE THE POTENTIOMETER
SWITCH 4-12 . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE THE LATCH LEVER 4-13 . .
ELECTRIC MOTORS 4-14 . . . . . . . . . . . . . . . . .
TO REPLACE VACUUM FAN MOTOR
BRUSHES 4-14 . . . . . . . . . . . . . . . . . . . . .
TO REPLACE SCRUB BRUSH MOTOR
BRUSHES 4-15 . . . . . . . . . . . . . . . . . . . . .
TO REPLACE VACUUM FAN
SWITCH 4-16 . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE CHARGER SWITCH 4-17 . .
ELECTRICAL SCHEMATIC 4-18 . . . . . . . . . . . .
Page
TROUBLESHOOTING 4-19 . . . . . . . . . . . . . . . .
5300 TRACTION DRIVE SCHEMATIC 4-20
5300 OPTIONS SCHEMATIC
4-21 . . . . . .
POWER UP CIRCUIT 4-22 . . . . . . . . . . . . . .
POWER UP FAILURE 4-23 . . . . . . . . . . . . .
VACUUM FAN CIRCUIT 4-25 . . . . . . . . . . . .
VACUUM FAN FAILURE 4-26 . . . . . . . . . . .
MAIN BRUSH CIRCUIT 4-28 . . . . . . . . . . . .
MAIN BRUSH FAILURE 4-29 . . . . . . . . . . . .
SOLUTION PUMP CIRCUIT 4-31 . . . . . . . .
SOLUTION PUMP FAILURE 4-32 . . . . . . . .
TRACTION DRIVE CIRCUIT 4-33 . . . . . . . .
TRACTION DRIVE FAILURE 4-34 . . . . . . .
VACUUM WAND CIRCUIT 4-37 . . . . . . . . .
POWER WAND FAILURE 4-38 . . . . . . . . . .
ES PUMP CIRCUIT 4-39 . . . . . . . . . . . . . . .
ES PUMP FAILURE 4-40 . . . . . . . . . . . . . . .