Figure 31 – Replacing Jaw Inserts
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.
Figure 32 – Removing Motor Cover/Changing Brushes
Figure 30 – Filter Screen Assembly
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 31).
2. Place insert sideways on locking pin and press down
as far as possible (Figure 31).
17
300 Compact/1233 Threading Machines
To Remove
To Replace
Screw Driver
Insert
Locking
Pin
Teeth
PRESS
DOWN
‘
Filter
Screen
Chip Tray
Oil Pan
Liner
Oil Drain
Brush Cap
Motor Cover
To Next Page
Loading...
