Samsung AM140RNPDKH Series, Installation Manual

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Cutting or flaring a pipe
1. Check that all the required tools are prepared.
f Pipe cutter, flaring tool, reamer, die, etc.
2. Use the pipe cutter to cut the pipe and make sure that the cut edge remains at 90° angle with the edge of the pipe.
f
When cutting the pipe, make sure that the cut edge is not oblique, rough, or burred.
90°
Oblique
Rough Burr
3. To prevent a gas leak, remove all burrs at the cut edge of the pipe using a reamer or trim the rough part with a pipe
cutting tool.
4. Carry out the flaring work with a flaring tool.
[Flaring tools]
Clutch type Wing nut type
A
Die
Pipe
Yoke
Die
Pipe
Flare nut
Pipe diameter (D, mm)
Depth of flaring part (A, mm)
Using flaring tool for
R-410A
Using conventional flaring tool
Clutch type Wing nut type
6.35 0 ~ 0.5 1.0 ~ 1.5 1.5 ~ 2.0
9.52 0 ~ 0.5 1.0 ~ 1.5 1.5 ~ 2.0
12.70 0 ~ 0.5 1.0 ~ 1.5 1.5 ~ 2.0
15.88 0 ~ 0.5 1.0 ~ 1.5 1.5 ~ 2.0
5. Check that the flaring shape is correct.
f
When carrying out the flaring work, make sure the flaring part is not inclined, damaged, cracked or uneven.
Correct Inclined Damaged Surface Cracked Uneven Thickness
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