Troubleshooting - Emerson RIDGID 600 Instructions Manual

TROUBLE SHOOTING
Warning
!
Each remedy with has to be repaired by a qualified electrical craftsman.
Disconnect power cord.
Trouble shooting Possible cause
- motor does not start - interruption of supply
- fuse has been blown
- brushes do not touch armature
- motor cannot be loaded - short circuit
- overload because of dull dies
- bad quality or insufficient thread
cutting oil
- abnormal heating of the motor - overload because of dull dies
- insufficient cooling air
- sparks forming at the motor - dirty commutator
- bad contact between brushes
and brush holder
- because of excessive wear
brushes do not touch
commutator properly
- brushes of different manufacture
- sharp edge of brush
- "sparks" in the motor - particles come loose from
compartment brushes or armature
(collector) and start glowing
- die head does not start - dull or broken dies
threading - machine running in wrong
direction
- damaged thread - dull dies
- dies not assembled in correct
sequence
- low quality pipe
- bad quality or insufficient
thread cutting oil
- support arm turns while - support arm jaws dirty
threading
- die heads cannot be changed - burr has occurred at the spline
properly end of the die head
- die head not held tightly - retaining spring damaged
or worn
Remedy
- examine the supply
!
- install a new fuse
- check the brushes, renew
used brushes
- look for the short circuit
!
and resolve
- renew the dies
- use RIDGID thread cutting
oil in adequate quantity
- renew dies
- clean the air-vent opening
of the motor
!
- please send in for repair
- tighten the screws, make
sure brush is pressed firmly
onto commutator
- change worn brushes !
(replace only with genuine
RIDGID brushes)
!
- only use original brushes
- break edge
!
- send machine in for repair
!
- change dies
- check setting of the
direction switch
- change dies
- put dies in correct
sequence
- make sure only pipe of
good quality is used
- use only RIDGID thread
cutting oil in adequate
quantity
- clean with wire brush
- eliminate burr with file
- replace retaining spring