Operator`s manual

Ridge Tool Company
21
Accessories for Threading by
Close-Coupled Method
Accessories for Threading with Drive Shaft
NOTE! See Ridge Tool catalog for listing of pipe sup-
port, thread cutting oil, die heads and dies.
Maintenance Instructions
WARNING
Make sure machine is unplugged from power
source before performing maintenance or mak-
ing any adjustment.
Jaw Inserts
1. Clean teeth of jaw inserts daily with wire brush.
2. Replace jaw inserts when teeth become worn and
fail to hold pipe or rod.
NOTE! Replace entire set of jaw inserts to insure proper
gripping of the pipe or rod.
Jaw Insert Replacement
Figure 26 – Replacing Jaw Inserts
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 until
teeth face up.
Lubrication
Proper lubrication is essential to trouble-free operation
and long life of Power Drive.
Grease main shaft bearings every 2 to 6 months depend-
ing upon amount of Power Drive use. Grease fittings are
provided on side base, one at each end of shaft. Use a
good grade of cup grease.
Motor Brush Replacement
1. Check motor brushes every six (6) months and re-
place when worn to less than
1
/
2
inch.
2. If communicator is worn, the outer dimension of the
communicator should be turned and the mica should
be undercut before replacing brushes. This should
only be done by qualified repair personnel.
Motor Replacement
1. Unplug motor receptacle from switch box.
2. Remove two (2) screws (E-891) holding motor.
3. Loosen back screw (E-4548) in body at neck of
motor and lift motor out.
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 power drives. This machine
can cause serious injury in the hands of untrained users.
Service and Repair
WARNING
Service and repair work on this Power Drive must be
performed by qualified repair personnel. Power Drive
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.
300 Power Drive
Model Geared Threaders
No. Description 141 161
Pipe Supports
758 Loop X
844 Drive Bar X X
346 Support Arm (2) X
NOTE! If gear case does not have loop hole, use No. 3675
Adapter Bracket instead of No. 758 Loop.
Catalog Model
No. No. Description
61122 840-A Universal Drive Shaft
72037 460 Tristand
42510 92 Adjustable Pipe Support
Screw
Driver
Insert
PRESS
DOWN
Locking
Pin
Teeth
To Remove To Replace
WARNING