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LUBRICATION
Proper lubrication is essential to trouble-free operation and
long life of power drive.
Grease main shaft bearing (#95414, #95415) every 2 to 6
months depending on 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
Check motor brushes (#95458) every 6 months and replace
when worn to less than 1/2 inch. If commutator (#95420) is
worn, turn outer dimension of commutator and undercut mica
before replacing brushes.
Figure 11
MOTOR REPLACEMENT
WARNING: ALWAYS UNPLUG POWER CORD BEFORE
SERVICING POWER DRIVE.
1. Unplug motor receptacle from switch box.
2. Remove 2 screws (#35411) holding motor.
3. Loosen lock screw (#35403) in body at neck of motor
and lift motor out.
Figure 9 - Threading Pipe with R811 Die Head
MAINTENANCE INSTRUCTIONS
WARNING: ALWAYS UNPLUG POWER CORD BEFORE
SERVICING POWER DRIVE.
JAW INSERT REPLACEMENT
IMPORTANT: WHEN TEETH ON JAW INSERTS BECOME
WORN AND FAIL TO HOLD PIPE OR ROD DURING OP-
ERATION, REPLACE ENTIRE SET OF JAW INSERTS.
CLEAN TEETH OF JAW INSERTS DAILY WITH WIRE
BRUSH.
1. Place screw driver in insert slot and turn 90 degrees in
either direction (Figure 11).
2. Place insert sideways on locking pin and press down as
far as possible.
3. Hold insert down firmly with screwdriver, turn teeth
face up.
Reamer
in position
Figure 10
Die
Head
Cutter
Carriage
Lever
Reamer
