918 Roll Groover
• Tighten groove roll set screw into detent on upper
roll shaft.
6. Using a grease gun, grease the drive shaft through
the fitting on the side of the Groover.
Changing from Solid Drive Shaft Roll
Set to Two-Piece Drive Shaft
1. Recommended removing 918 Roll Groover from
power drive or machine, and placing it on workbench
in an upright position. If a suitable workplace is not
available, roll sets can be changed with the Roll
Groover mounted on the machine.
Use care that the Groover does not slide
WARNING
off the support arms on the 300 Power Drive.
2. Removing groove roll:
• 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 roll shaft and groove
roll from Groover (Figure 18) .
3. Changing solid drive shaft rollset to two-piece 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 drive shaft.
• With the spindle lock engaged, use the box wrench
to remove the drive shaft bearing retaining nut (Fi -
gure 19) .
• Release pressure on the spindle lock pin, allowing
to retract.
• Remove the drive shaft (Figure 20) .
• Remove the three
1
/
plate in place, remove retaining plate, remove bear-
ing (Figure 21) .
• Insert drive shaft/bearing assembly (for two-piece
driveshaft) into Groover. Replace retaining plate
and bolt, tighten bolts.
• Install new drive roll, insert and hand tighten draw
bolt.
• Manually rotate the drive shaft/drive roll assembly
while applying pressure to the spindle lock pin until
the lock pin engages the spindle lock hole in the
drive shaft.
• With the spindle lock engaged, use a wrench to
tighten the draw bolt.
• Release pressure on the spindle lock pin, allowing
to retract.
14
" bolts that hold the retaining
4
4. Installing groove roll:
• With upper housing fully raised and drive shaft in
place, insert groove roll into upper roll assembly
and fully insert upper roll shaft through bearings
and groove roll.
• Tighten groove roll set screw into detent on upper
roll shaft.
5. Using a grease gun, grease the drive shaft through
the fitting on the side of the Groover.
Installing and Operating Pipe
Stabilizer/Nipple Bracket
NOTE! The pipe stabilizer/nipple bracket works on 300
Power Drive Mounting only. Use for grooving
nipples and pipe 2
sizes.
WARNING
power source before installing pipe stabilizer/nipple.
Installation
1. Align mounting bracket onto base of roll groover so
that the bolt holes in the mounting bracket line up with
bolt holes in the base. (Figure 22)
2. Install and tighten two bolts through the bottom of the
roll groover base.
Figure 22 – Line Up Bolt Holes in the Mounting Bracket
with Bolt Holes in the Base
Stabilizer Operation
NOTE! Once the stabilizer is adjusted for a selected
pipe diameter, it does not have to be readjusted.
1. Place pipe on to drive roll on Model 918 Roll Groover.
Ridge Tool Company
" through 12" nominal pipe
1
/
2
Make sure machine is unplugged from