Troubleshooting Guide

ManualsBrandsRIDGID ManualsPlumbing Product975 Combo Roll Groover

Ridge Tool Company20

975 Combo Roll Groover

Grooving roll and/or driving shaft worn.

Pipe length not straight.

Pipe end not square with pipe axis.

Pipe and drive shaft not parallel.

Pipe axis not offset

degree from driving roll axis.

Driving roll knurl plugged or worn flat.

Feedscrew not tight.

Turning ratchet wrong direction.

Inside of pipe has too much scale.

Excessive weld seam.

Not applying pressure to pipe.

Pipe end not square/deburr.

Feedscrew too tight.

Pipe and drive shaft not parallel.

Feedscrew too tight.

Replace grooving roll and/or drive shaft.

Use straight pipe.

Cut pipe end square.

Adjust stand to make pipe parallel.

Offset pipe

degree.

Clean or replace drive roll.

Tighten feedscrew with ratchet for every

revolution as per directions.

Turn ratchet in proper direction.

Clean inside of pipe.

Grind weld seam flush 2" from end of pipe.

Apply pressure to pipe.

(See Figure 10.)

Properly prep end of pipe.

Only advance feedscrew in

turn increments.

Adjust stand to make pipe parallel.

Only advance feedscrew 1/4 turn.

SYMPTOM POSSIBLE REASONS SOLUTION

Roll groove too narrow or

too wide.

Rolled groove not per-

pendicular to pipe axis.

Pipe will not track while

grooving/Groover will not

track on pipe while groov-

ing.

Pipe flared at grooved end.

Troubleshooting

Table III. Copper Roll Groove Specifications

1 2 345678

AB CDT

Nom. Tubing Outside Gasket Groove Groove Groove Min. Max.

Size Diameter O.D. Seat Width Dia. Depth Allow. Allow.

Inches A +.03 +.00 Ref.

Wall Flare

Basic Tolerance ±0.03 –.000 –.02 Thick. Dia.

2" 2.125 ±0.002 0.610 0.300 2.029 0.048 DWV 2.220

" 2.625 ±0.002 0.610 0.300 2.525 0.050 0.065 2.720

3" 3.125 ±0.002 0.610 0.300 3.025 0.050 DWV 3.220

4" 4.125 ±0.002 0.610 0.300 4.019 0.053 DWV 4.220

5" 5.125 ±0.002 0.610 0.300 5.019 0.053 DWV 5.220

6" 6.125 ±0.002 0.610 0.300 5.999 0.063 DWV 6.220

8" 8.125 +0.002/-0.004 0.610 0.300 7.959 0.083 DWV 8.220

1. Nominal Groove Depth is provided as a reference dimension. Do not use groove depth to determine groove acceptability.

Summary of content (2 pages)

PAGE 1
975 Combo Roll Groover Table III. Copper Roll Groove Specifications 1 2 Nom. Size Inches Tubing Outside Diameter O.D. 2" 21/2" 3" 4" 5" 6" 8" Basic 2.125 2.625 3.125 4.125 5.125 6.125 8.125 Tolerance ±0.002 ±0.002 ±0.002 ±0.002 ±0.002 ±0.002 +0.002/-0.004 3 A Gasket Seat A ±0.03 0.610 0.610 0.610 0.610 0.610 0.610 0.610 4 B Groove Width +.03 –.000 0.300 0.300 0.300 0.300 0.300 0.300 0.300 5 C Groove Dia. +.00 –.02 2.029 2.525 3.025 4.019 5.019 5.999 7.959 6 D Groove Depth Ref.1 0.048 0.050 0.
PAGE 2
975 Combo Roll Groover Troubleshooting (continued) SYMPTOM POSSIBLE REASONS SOLUTION Pipe drifts back and forth on driving roll axis while grooving. Pipe length not straight. Use straight pipe. Pipe end not square with pipe axis. Cut pipe end square. Pipe rocks from side to side on driving roll while grooving. Pipe stand is too close to end of pipe. Move pipe stand in to match set-up Instructions. Pipe end flattened or damaged. Cut off damaged pipe end.