975 Combo Roll Groover
Groove and Drive Roll Set Change-out Instructions
Kit Includes:
• 32838 Driveshaft for 2" - 8" Copper
• 30893 Driveshaft Key
• 32843 Groove Roll for 2" - 8" Copper
WARNING
Read and understand the threading machine and roll groover
operator’s manuals and instructions for all other equipment
being used before operating. Failure to follow all instruc-
tions may result in property damage and/or serious personal
injury.
Make sure the machine FOR/OFF/REV switch is in the OFF
position and the machine is unplugged before performing any
maintenance or making any adjustments.
SAVE THESE INSTRUCTIONS!
Contact Ridge Tool Technical Service Department at (800)
questions.
Changing Roll Sets
When changing roll set parts, always make
sure drive and groove roll markings match. Mismatched
parts can make improper grooves and cause leaks.
Remove the roll groover from the power drive or threading
machine and place on a stable work bench.
Required Tools:
•3/8" Hex Wrench
•3/32" Hex Wrench
• .070" External Retaining Ring Pliers
Removing and Installing Drive Roll
1. Remove 6 screws that hold rear cover to the housing.
2. Remove the rear cover
(See Figure 1)
.
Figure 1 – Removing Rear Cover
3. Remove pinion.
4. Remove the driveshaft assembly out of the back of the
975 Roll Groover.
5. Remove retaining ring from driveshaft and slide gear off.
(See Figure 2.)
Figure 2 – Removing Retaining Ring
6. Remove key and then thrust washer.
7. Slide thrust washer onto new driveshaft.
8. Insert key and install gear.
9. Install retaining ring into driveshaft groove.
10. Place driveshaft assembly into main housing.
11.Grease from the gearbox may have been lost during
the driveshaft change. Make sure the bearings and
gear teeth are coated sufficiently with a good general
purpose grease.
12. Insert pinion and reinstall rear cover. Tighten screws to
12-16 ft*lbs of torque.
Figure 3 – 975 Combo Roll Groover Parts Diagram
Removing and Installing Groove Roll
1. Remove the setscrew that holds the groove roll shaft in
place.
2. Pull the groove roll shaft out of the slide block and
remove the groove roll and thrust washer.
3. Insert the thrust washer and new groove roll into the
slide block. Ensure that the internal retaining ring in
the groove roll is closest to the main housing, and that
the groove roll is between the thrust washer and main
housing.
(See Figure 4.)
4. Replace the groove roll shaft and the set screw.
5. Visually inspect the alignment between the groove roll
and the drive roll. If they are not aligned, check orienta-
tion of groove roll and thrust washer.
058-005-726.10
NOTICE
Gear
Thrust
Washer
Retaining Ring
Main Housing
Pinion
Driveshaft Rear Cover
Gear
Screws
Retaining Ring
Thrust
Washer Key
Rear Cover
Test Equipment Depot - 800.517.8431
99 Washington Street, Melrose, MA 02176
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