Troubleshooting; Wiring Diagram - RIDGID K-7500 Manual

Chart 1. Troubleshooting
PROBLEM
Cable kinking
or breaking.
Drum stops while pedal
is depressed. Restarts
when pedal is re-pressed.
Drum turns in one direc-
tion but not the other.
Ground fault Interrupter
trips when machine is
plugged in or when foot
pedal is depressed.
AUTOFEED does not
work properly.
Machine wobbles or
moves when cleaning a
drain.

Wiring Diagram

CAUSE
Cable is being forced.
Cable used is incorrect pipe diameter.
Motor switched to reverse.
Cable exposed to acid.
Cable worn out.
Hole in pedal or hose.
Hole in diaphragm switch.
Faulty reverse switch.
Damaged power cord.
Short circuit in motor.
Faulty Ground Fault Circuit Interrupter.
AUTOFEED is not routinely cleaned and fills with
debris.
AUTOFEED is not greased enough.
Kickstand not engaged.
GREEN
BLACK
WHITE
YELLOW
RED
BLACK
BLUE
K-7500 Drain Cleaning machine
CORRECTION
Do Not Force Cable! Let the cutter do the work.
" cables in 3" to 6" lines and use
Use 5 /
8
in 4" to 10" lines. Use Trap Leader.
Use REVERSE only if cable gets caught in pipe.
Clean and oil cables routinely.
If cable is worn, replace it.
Replace damaged component.
If no problem found with pedal or hose, replace
diaphragm switch.
Replace switch.
Replace cord set.
Take motor to authorized service center.
Replace cord set that includes a Ground Fault
Circuit Interrupter.
Disassemble AUTOFEED and clean monthly.
Apply grease to fittings weekly.
Engage kickstand.
Set on level surface.
AIR SWITCH
F/O/R SWITCH
" cables
3 /
4
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