Toshiba RAV-SM560AT-E Service Manual page 32

Toshiban lämmitys- ja jäähdytyslaitteiden jälleenmyyjä pääkaupunkiseudulla on Jäähdytinpalvelu RefGroup Oy
c) Insertion of Flare Nut
d) Flare Processing
Make certain that a clamp bar and copper
pipe have been cleaned.
By means of the clamp bar, perform the flare
processing correctly.
Use either a flare tool for R410A or conven-
tional flare tool.
Table 7-2-3 Dimensions related to flare processing for R410A
Outer
Nominal
diameter
diameter
(mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
Table 7-2-4 Dimensions related to flare processing for R22
Outer
Nominal
diameter
diameter
(mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15.88
Nominal Outer diameter
diameter (mm)
1/4 6.35
3/8 9.52
1/2 12.70
5/8 15,88
Thickness
(mm)
R410A clutch type
0.8
0.8
0.8
1.0
Thickness
(mm)
R22 clutch type
0.8
0.8
0.8
1.0
Table 7-2-5 Flare and flare nut dimensions for R410A
Thickness
(mm)
0.8
0.8
0.8
1.0
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Flare processing dimensions differ according
to the type of flare tool. When using a con-
ventional flare tool, be sure to secure "dimen-
sion A" by using a gauge for size adjustment.
Fig. 7-2-1 Flare processing dimensions
A (mm)
Flare tool for
0 to 0.5
0 to 0.5
0 to 0.5
0 to 0.5
A (mm)
Flare tool for
0 to 0.5
0 to 0.5
0 to 0.5
0 to 0.5
Dimension (mm)
A B
9.1 9.2
13.2 13.5
16.6 16.0 12.9
19.7 19.0 16.0
– 32 –
ØD
A
Conventional flare tool
Clutch type Wing nut type
1.0 to 1.5 1.5 to 2.0
1.0 to 1.5 1.5 to 2.0
1.0 to 1.5 2.0 to 2.5
1.0 to 1.5 2.0 to 2.5
Conventional flare tool
Clutch type Wing nut type
0.5 to 1.0 1.0 to 1.5
0.5 to 1.0 1.0 to 1.5
0.5 to 1.0 1.5 to 2.0
0.5 to 1.0 1.5 to 2.0
Flare nut
width (mm)
C D
6.5 13
9.7 20
23
25
17
22
26
29