Service and Repair
WARNING
Service and repair work on this Threading Machine must
be performed by qualified repair personnel. Machine
should be taken to a RIDGID Independent Authorized
Service Center or returned to the factory. All repairs
made by Ridge service facilities are warranted against
defects in material and workmanship.
When servicing this machine, only identical replacement
parts should be used. Failure to follow these instructions
may create a risk of electrical shock or other serious
injury.
13
compressed air if available. Do not operate machine
with oil filter screen removed.
NOTE! RIDGID Thread Cutting Oil produces high quality
threads and maximizes die life. For information
concerning its use and handling, refer to the labels
on the oil containers. Disposal of the oil should be
in accordance with government regulations.
Jaw Insert Replacement
NOTE! When teeth on jaw inserts become worn and fail
to hold pipe or rod during operation, replace
entire set of jaw inserts. Clean teeth of jaw in -
serts daily with wire brush.
1. Place screwdriver in insert slot and turn 90 degrees
in either direction.
2. Place insert sideways on locking pin and press
down as far as possible.
3. Hold insert down firmly with screwdriver, turn so teeth
face up.
Figure 13 – Jaw Insert Replacement
Motor Brush Replacement
Check motor brushes every six (6) months and replace
brushes when they are worn to less than
1
/
2
″. If com-
mutator is worn, turn outer dimensions of commutator
and undercut mica before replacing brushes.
Machine Storage
Motor-driven equipment must be kept
indoors or well covered in rainy weather. Store the
machine in a locked area that is out of reach of children
and people unfamiliar with threading machines. This
machine can cause serious injury in the hands of un -
trained users.
535 Manual Pipe and Bolt Threading Machine
To Remove
To Replace
Screw Driver
Insert
Locking
Pin
Teeth
PRESS
DOWN
WARNING
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