Maintenance Instructions; Jaw Insert Replacement; Lubrication; Motor Brush Replacement - RIDGID 300 Manuel De L'opérateur

300 Power Drive
Accessories for Threading by
Close-Coupled Method
Model
No. Description
Pipe Supports
758 Loop
844 Drive Bar
346 Support Arm (2)
NOTE! If gear case does not have loop hole, use No. 3675
Adapter Bracket instead of No. 758 Loop.
Accessories for Threading with Drive Shaft
Catalog Model
No. No. Description
61122 840-A Universal Drive Shaft
72037 460 Tristand
42510 92 Adjustable Pipe Support
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

Screw
Driver
Insert
To Remove
Figure 26 – Replacing Jaw Inserts
1. Place screwdriver in insert slot and turn 90 degrees
in either direction.
Geared Threaders
141 161
X
X X
X
PRESS
DOWN
Locking
Teeth
Pin
To Replace
Ridge Tool Company
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
depending upon amount of Power Drive use. Grease fit-
tings 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
replace when worn to less than
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
WARNING
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.
/ inch.
1
2
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