Burrs Removal; Putting Nut On - LG AS-W096E1G0 Engineering Product Data Book

14. Installation

Burrs removal

1. Completely remove all burrs from the cut cross
section of pipe/tube.
2. Put the end of the copper tube/pipe in a downward
direction as you remove burrs in order to avoid
dropping burrs into the tubing.

Putting nut on

• Remove flare nuts attached to indoor and outdoor unit,
then put them on pipe/tube having completed burr
removal.
(not possible to put them on after flaring work)
Flaring work
1. Firmly hold copper pipe in a bar in the dimension
shown in the table below.
2. Carry out flaring work with the flaring tool.
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
Ø19.05 3/4
Check
1. Compare the flared work with the figure by.
2. If a flared section is defective, cut it off and do flaring
work again.
94 2008 Product Data
A
mm
1.1~1.3
1.5~1.7
1.6~1.8
1.6~1.8
1.9~2.1
Pipe
Point down
Flare nut
Copper tube
Bar
Bar
Copper pipe
Clamp handle
Smooth all round
Inside is shiny without scratches
= Improper flaring =
Inclined Surface
damaged
Even length
all round
Reamer
Handle
Yoke
Cone
Red arrow mark
Cracked Uneven
thickness