RIDGID 1224 Manual De Uso página 11

1224 Threading Machine
To avoid equipment tip-overs, position
WARNING
the pipe supports under the workpiece.
5. Tighten the rear centering device around the pipe by
using a counterclockwise rotation of the handwheel
at the rear of the Threading Machine. This prevents
movement of the pipe that can result in poor thread
quality.
6. Secure the pipe by using repeated and forceful coun-
terclockwise spins of the speed chuck handwheel at
the front of the Threading Machine. This action "ham-
mers" the jaws tightly around the pipe.
Cutting Pipe with No. 764 Cutter
1. Swing reamer and die head to UP position.
2. Place shift knob in 36 RPM position (Figure 5).
Shifting should be done with machine idling.
CAUTION
Do not operate shift knob while under load.
3. Move pipe cutter DOWN onto pipe and move car-
riage with handwheel to line up cutter wheel with
mark on pipe.
4. Tighten cutter feed screw handle on pipe keeping
wheel aligned with the pipe.
5. Assume the correct operating posture (Figure 6).
This will allow you to maintain proper bal-
WARNING
ance and to safely keep control of the machine and tools.
• Be sure you can quickly remove your foot from the
foot switch.
• Stand facing the directional switch.
• Be sure you have convenient access to directional
switch, tools and chucks.
• Do not reach across the machine or workpiece.
Figure 6 – Cutting Pipe With No. 764 Cutter
6. Make sure the directional switch is in the FOR
(Forward) position.
7. Grasp the pipe cutter's feedscrew handle with both
hands (Figure 6).
8. Depress and hold down the foot switch with the left
foot.
9. Tighten the feedscrew handle slowly and continu-
ously until the pipe is cut. Do not force the cutter into
the workpiece.
10. Release the foot switch and remove your foot from the
housing.
11. Swing pipe cutter back to the UP position.
Reaming Pipe with No. 744 Reamer
1. Move reamer arm into DOWN position (Figure 7).
2. Place shift knob in 36 RPM position.
CAUTION
Do not operate shift knob while under load.
3. Check the directional switch to insure it is in the FOR
(Forward) position. Depress and hold the foot switch
down with left foot.
4. Advance reamer into pipe and complete reaming by
exerting pressure on handwheel.
NOTE! Do not apply excessive pressure on handwheel.
5. Return reamer to UP position.
6. Release foot switch and remove your foot from the
housing.
Figure 7 – Reaming Pipe with No. 744 Reamer
Ridge Tool Company
Shifting should be done with machine idling.
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