Replacing Cutter Wheel; Replacing Jaw Inserts; Replacing Carbon Brushes - RIDGID 300 Compact Manual

Replace thread cutting oil when it becomes dirty or con-
taminated. To drain the oil, position a container under drain
plug at end of reservoir and remove plug. Follow all local
laws and regulations when disposing of oil. Clean build up
from the bottom of the reservoir. Use RIDGID Thread Cut -
ting Oil for high quality threads and maximum die life. See
the Specification section for reservoir oil capacity.
The oil pump should self-prime if the system is clean. If it
does not, this indicates that the pump is worn and should
be serviced. Do not attempt to prime the pump.

Replacing Cutter Wheel

If the cutter wheel becomes dull or broken, push cutter
wheel pin out of frame and check for wear. Replace pin if
worn and install new Cutter Wheel (see catalog). Lubricate
pin with light lubricating oil.

Replacing Jaw Inserts

If Jaw inserts are worn out and do not grip pipe, they need
to be replaced.
1. Place screwdriver in insert slot and turn 90 degrees in
either direction. Remove insert (Figure 30).
2. Place insert sideways on locking pin and press down
as far as possible (Figure 30).
Screw Driver
Insert
Figure 30 – Replacing Jaw Inserts
To Remove
3. Hold insert down firmly, and with screwdriver, turn so
teeth face up.

Replacing Carbon Brushes

Check motor brushes every 6 months. Replace when
worn to less than 1 / ".
2
1. Unplug the machine from power source.
2. Loosen the two motor cover screws and remove
motor cover at rear of machine.
PRESS
DOWN
Locking
Teeth
Pin
To Replace
300 Compact/1233 Threading Machines
Brush Cap
Figure 31 – Removing Motor Cover/Changing Brushes
3. Unscrew brush caps. Remove and inspect brushes.
Replace when worn to less than
mutator for wear. If excessively worn, have machine
serviced.
4. Re-install brushes/install new brushes. Reassemble
unit. Install all covers before operating machine.
Motor Cover
1 / ". Inspect the com-
2
17