918 Roll Groover
4. If pipe wobbles and/or "walks off" the drive roll, raise
pipe end to level with roll groover.
5. Short lengths of pipe (under three feet) may require
slight pressure to maintain the
mension.
Grooving Short Lengths of Pipe
1. When running machine in forward direction, exert
pressure on pipe away from operator. (Figure 15)
2. When running machine in reverse, exert pressure
on pipe toward operator. (Figure 16)
Do not attempt to groove any pieces of
WARNING
pipe shorter than 8". Increases risk of fingers being
crushed in the grooving rolls.
Removing and Installing
Groove Roll and Drive Shaft
NOTE! As groove dimensions are determined by the roll
set geometry, specific roll sets are required
when grooving the following:
• 2" – 6" Schedule 10, 40
• 8" – 12" Schedule 10
• 8" Schedule 40
• 2" – 6" Copper tubing (Types K, L, M, DWV)
• 1" Schedule 10, 40
" - 1
" Schedule 10, 40
• 1
1
/
1
/
4
2
Make sure power drive or threading ma-
WARNING
chine is unplugged from power source before changing
the Roll Sets or removing the Roll Groover.
When removing rolls and shafts, be sure
WARNING
they are properly supported.
Removing and Installing Roll Sets with
Solid Drive Shafts (2" – 6", 8" – 12")
1. Recommend removing 918 Roll Groover from power
drive or machine, and placing it on a work bench in an
upright position. If a suitable workplace is not available,
roll sets can be changed with Groover mounted on the
machine.
WARNING
Use care that the Groover does not slide
off the support arms on the Model 300 Power Drive.
2. Removing Groove Rolls:
• Fully raise the upper roll housing by moving the
pump release lever to the return position, away
from the operator.
• Loosen groove roll set screw (Figure 17) . Grasp
groove roll and remove upper shaft and groove roll
from groover (Figure 18) .
12
1
/
degree offset di-
2
Ridge Tool Company
Figure 17 – Loosening
Grooving Roll
Set Screw
3. Removing Solid Drive Shaft:
• Manually rotate the drive shaft while applying
pressure to the spindle lock pin until the lock pin
engages the spindle lock hole in the driveshaft.
• With the spindle lock engaged, use the box wrench
to remove the drive shaft bearing retaining nut
(Figure 19) .
• Release pressure on the spindle lock pin, allowing
to retract.
• Remove the drive shaft (Figure 20) .
Figure 19 – Engaging Spindle Lock and Removing Drive
Shaft Retaining Nut
Figure 18 – Removing
Retain ing Shaft
and Groove Roll