940-600.015.10_REV. D
15
300 Power Drive
Cutters:
• No. 1-A and 2-A Cutter
• No. 202 Cutter
Reamers:
• No. 2 and 3 Ratchet Reamers
Contact a RIDGID distributor or consult the Ridge cat-
alog for specifications and catalog numbers.
311A Carriage and Tools as Accessories
Geared Threaders:
• No. 141 2
1
/
2
" – 4" Pipe (NPT or BSPT)
• No. 161 4" – 6" Pipe (NPT or BSPT)
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 15 – 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
Model
No.
Description
311
Carriage with No. 312 Lever
341
Reamer for No. 311 Carriage
360
Cutter for No. 311 Carriage
811A
Universal Quick Opening Die Head Only, Right Hand Only
815A
Self-Opening Die Head Only, Right Hand Only
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
