Troubleshooting - American Sanders 3DS Operator's Manual

EN
Problem
Motor will not start
Motor fails to start / runs sluggish
Fuse / Circuit Breaker repeatedly
trips.
Machine "hops" during operation
Machine pulls to the right
during operation.
Machine fails to properly
contain dust.
Machine pushes to rear when
running.

Troubleshooting

Cause
No Power
Defective switch / bad connection
Low voltage from excessive length Use a 12 Ga. extension cord, not to
or undersized extension cord.
Defective start capacitor
Defective start switch
Defective start/run capacitor
Defective motor, low voltage
Low voltage
Bad connection
Defective motor
Head pressure adjustment
not set to proper pressure.
Bad/worn sanding pad
Uneven pads.
Sandpaper / screen torn, worn
or improperly installed.
Head pressure adjustment
set too tight.
Paper bag is full or not
properly seated on vacuum
inlet horn.
Cloth filter is clogged
Eccentric spacers on hand
knobs improperly set.
13
Action
Check power supply and
connections
Contact an authorized dealer
exceed 40' in length.
Contact an authorized dealer
Contact an authorized dealer
Contact an authorized dealer
Contact an authorized dealer
Eliminate extension cord.
Locate power source closer to work
site. Have voltage checked by a
qualified electrician.
Contact an authorized dealer
Contact an authorized dealer
Adjust the Head pressure bolt to
suite.
Replace faulty pad.
Replace uneven pads.
Replace faulty sandpaper/screen or
install properly.
Loosen the head pressure
adjustment. See Figure 17, page 8
Replace paper bag in vacuum
securing properly on vacuum horn.
Remove cloth filter and clean by
blowing with high pressure air.
Adjust eccentrics to match "tick"
marks on frame with eccentric
hole toward front of machine.
NOTE: After adjustment both
casters should turn with the same
amount of pressure.