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916 Roll Groover
Operating the 916 Roll Groover
WARNING
Do not wear gloves or loose clothing when oper-
ating a Roll Groover. Keep sleeves and jackets but-
toned. Do not reach across the machine or pipe.
Do not use this Roll Groover with a Power Drive or
Threading Machine that has a broken or missing
foot switch. Always wear eye protection to protect
eyes from dirt and other foreign objects.
Keep hands away from grooving rolls. Do not wear
loose fitting gloves when operating groover. Use
pipe stands to support pipe.
When grooving, keep hands away from end of
pipe. Do not reach inside pipe end.
Pipe Preparation
1. Pipe ends must be cut square. Do not use cutting
torch.
2. Pipe out-of-roundness must not exceed the total
O.D. tolerance listed in groove specifications, Table I.
NOTE! Determine out-of-roundness by measuring max-
imum and minimum O.D. at 90 degrees apart.
3. All internal or external weld beads, flash or seams
must be ground flush at least 2" back from pipe end.
NOTE! Do not cut flats on gasket seat area.
Pipe/Tubing Length
Chart A lists the minimum length of pipe or tubing to be
grooved and the maximum length to be grooved with
(1) pipe stand.
Groovable Pipe Lengths – Inches
Nom.
Min.
Max.
Size
Length Length
1
8
36
1
1
/
8
36
4
1
/
8
36
1
2
2
8
36
2
1
/
8
36
2
3
8
36
3
1
/
8
36
2
Chart A – Minimum/Maximum Pipe Length
WARNING
Grooving pipe below 8" in length increas-
es the risk of fingers being crushed in the grooving rolls.
Pipe Set-Up
1. Pipe or tubing longer than the specified maximum
lengths listed in Chart A must be supported with 2
pipe stands. The second pipe support should be
located
3
/
of pipe length from roll groover.
4
8
Nom.
Min.
Max.
Size
Length Length
4
8
36
4
1
/
8
32
2
5
8
32
6 O.D.
10
30
6
10
28
Ridge Tool Company
Failure to use two stands may result in
WARNING
unit tipping or the pipe falling.
2. Lift up on feed handle and place pipe on drive roll and
pipe support.
3. Square pipe and pipe support to roll groover making
sure pipe is flush against drive roll flange. (Figure 6)
4. Level pipe by adjusting pipe stand (Model 300PD,
535) (Figure 7). See tip for 1822 and 300 Compact
grooving on page 10.
5. Slightly offset (approximately
toward operator when the power source operates in
REVERSE mode (Figure 8) .
NOTE! If power source runs in FORWARD offset pipe
1
/
° away from operator. (Figure 8)
2
Figure 6 – Square Pipe & Pipe Support
Figure 7 – Leveling Pipe
1
/
°) pipe and pipe stand
2
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