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• Clear, level, stable and dry location for all of the
equipment and the operator. Do not use the equip-
ment while standing in water.
• Properly grounded electrical outlet. A three prong
or GFCI outlet may not be properly grounded. If in
doubt, have outlet inspected by a licensed electri-
cian.
• Clear path to the electrical outlet that does not con-
tain any potential sources of damage to the power
cord.
2. Clean up the work area prior to setting up any equip-
ment. Always wipe up any oil that may be present.
3. Inspect the pipe to be grooved and confirm that the
975 Combo Roll Groover is the correct tool for the
job. The 975 Combo Roll Groover is designed to
groove schedule 10 and 40 steel, aluminum, and
PVC pipe in 1
1
/
" to 6" sizes. It is also designed to
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groove 1
/
" to 6" schedule 10 and 1
1
4
ule 40 stainless steel pipe. With a roll set change, it
can be used to groove 2" - 8" Type K, L, M and DWV
copper tube.
The 975 Combo Roll Groover can be used for in
place applications (pipe that is in place or mounted
in a vise) or with a RIDGID 300 Power Drive or 300
Compact Threading Machine for powered applica-
tions on the job site. The 975 Combo Roll Groover is
not intended for production type applications.
Roll groovers for other applications can be found by
consulting the Ridge Tool catalog, on line at RIDGID.
com, or by calling Ridge Tool Technical Service De-
partment at 844-789-8665.
NOTICE
Use of roll sets (groove roll and driveshaft) on
both carbon and stainless steel pipe can lead to contam-
ination of the stainless steel material. This contamination
could cause corrosion and premature pipe failure. To pre-
vent ferrous contamination of stainless steel pipe, use roll
sets dedicated for stainless steel roll grooving. Alternately,
a stainless steel wire brush may be used to thoroughly
clean the roll set when switching between materials.
4. Make sure the power drive/threading machine has
been inspected per its manual. Confirm the presence
of a foot switch and make sure that the FOR/ OFF/
REV switch is in the OFF position. Set up the power
drive/threading machine as directed in its manual.
Make sure that the machine and stand are stable
and do not wobble.
5. Fully open the chuck of the power drive/threading
machine.
6. Confirm that the 975 Combo Roll Groover has been
inspected and has the appropriate roll set installed.
999-998-995.10_REV D
Mounting The 975 Combo Groover Onto
A RIDGID 300 Power Drive
/
" to 2" sched-
1
4
Figure 3 – Mounting 975 Combo Roll Groover Into 300
Mounting The 975 Combo Groover Onto A
RIDGID 300 Compact Threading Machine
When using the 975 Combo Roll Groover with a 300
Compact Threading Machine, an adapter kit (Catalog
Number 67662) must be used. This adapter kit properly
positions the 975 Combo Roll Groover relative to the
threading machine and stand and to allow the complete
range of sizes to be grooved. Do not try to use the 975
Combo Groover with any other threading machine, as
tipping or other issues may result.
975 Combo Roll Groove
1. If the power drive to be used is equipped with a
carriage or other attachments, remove them from
the power drive. Make sure the power drive support
arms are fully forward and fixed in position.
2. Place the support arms of the roll groover onto the
support arms of the power drive and the end of the
roll groover driveshaft in the chuck of the machine.
Close and tighten the power drive chuck onto the
flats of the driveshaft. Make sure that the driveshaft
is centered in the chuck. Use repeated and forceful
counterclockwise spins of the speed chuck hammer-
wheel to securely grip the driveshaft (Figure 3).
Power Drive Chuck
1. Install the drive bar adapter onto the roll groover
drive shaft (See Figure 4). Align set screws with the
flats on the roll groover drive shaft and firmly tighten.
2. Move carriage on the 300 Compact Threading
Ma chine as close to the machine chuck as possible.
Move the cutter, reamer and die head in to the posi-
tion away from the operator, so they are out of the
way. Position reamer cone inside of die head.
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