Section 2
Installation
20412922
8-2012/Rev 10
2-12
NOTE
Clean the machining chips from the blade and from the collet before coning the
next tube.
Power Coning
1. Secure the tubing in a tube vise. No more than the recommended length of tubing should
extend beyond the face of the vice. See Table 2-11, Recommended Extension Length.
2. Mount the coning tool in a 3/8-inch or 1/2-inch, variable speed power drill. Apply cutting
oil to the end of the tube and slide the coning tool on the tubing.
3. Apply steady pressure against the end of the tubing while the cone is being cut.
4. Apply cutting oil frequently and liberally throughout the cutting operation. A medium
weight cutting oil with high sulfur content is recommended.
5. The tool will stop cutting when the tube angle and facing is complete.
NOTE
Clean the machining chips from the blade and body of the tool before coning the
next tube.
Table 2-10
Recommended Extension Length
1/4” Tubing 1.25-1.50” (31.8-38.1 mm)
3/8” Tubing 1.25-1.50” (31.8-38.1 mm)
9/16” Tubing 1.75-2.00” (44.5-50.8 mm)
Hand Threading
1. Secure the coned tubing in a tube vise. No more than the recommended length of tubing
should extend beyond the face of the vice. See Table 2-11, Recommended Extension
Length.
2. Apply cutting oil to the end of the tube and slide the threading tool on the tubing.
3. Grip the handle of the tool firmly, apply steady pressure and turn the tool counter-
clockwise. Approximately every half turn, reverse direction to break off and remove the
chips.
4. Apply cutting oil frequently and liberally throughout the cutting operation. A medium
weight cutting oil with high sulfur content is recommended.
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