Ingersoll Rand EL0410BC–SS–ESD Manual De Operación Y Mantenimiento página 18

Screwdriver runs in one
2.
direction but not the other.
Are wire leads in good condition
and properly soldered?
Yes
Does Reverse Switch operate
properly?
3.
Bit does not rotate but motor-
hums.
When gears are removed,
will the motor rotate?
Yes
Is planetary gearing smooth when
bit is rotated by hand?
Yes
4. Shutoff brake malfunctions more
than one index of the Clutch.
Does the speed of the Bit exceed rated
speed by more than 100 rpm?
No
Is Brake Switch functioning?
(Does it click when button is
depressed and does it test correctly
with an ohmmeter?
Yes
Does Pushrod function properly?
Yes
Does Cam Function properly?
Yes
TROUBLESHOOTING GUIDE (Continued)
No
No
No
No
Yes
No
No
No
18
Defective solder connections.
Resolder and rewire if necessary.
Defective Reverse Switch. Replace it.
1.
Armature is in contact with the magnets.
Replacee the motor.
2. Foreign material in the motor.
Clean the motor.
Bearing has failed.
1. Replace the Spindle Assembly.
Gears are worn or damaged.
Replace any defective gearing.
2.
Clutch Assembly is worn.
Replace damaged or worn parts.
Motor magnet is demagnetized.
Replace the motor.
Defective Brake Switch.
Replace the Brake Switch.
Bent or worn Pushrod. Replace it.
Cam is worn and not providing adequate lift.
Replace the cam.
Controller malfunctioning or defective.
Repair or replace. See Controller Service Manual.