Selection Of Pipe Size; Coupling Size Of Brazed Pipe; Screw Size And Tightening Torque - Toshiba MMY-MAP0804HT8-E Service Manual

Selection of Pipe Size

Coupling size of brazed pipe

External size
Standard outer dia.
of connected
copper pipe
6.35
9.52
12.70
15.88
19.05
22.22
28.58
34.92
38.10
41.28
„ Screw size and tightening torque
Power supply terminal
Earth screw
Communication wire terminal
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Connected section
Internal size
G
K
External size
Standard outer dia.
(Allowable difference)
C
6.35 (±0.03)
9.52 (±0.03)
12.70 (±0.03)
15.88 (±0.03)
19.05 (±0.03)
22.22 (±0.03)
28.58 (±0.04)
34.90 (±0.04)
38.10 (±0.05)
41.28 (±0.05)
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Connected section
Internal size
Min. depth of
insertion
F K
+0.04
6.45 ( ) 7
-0.02
+0.04
9.62 ( ) 8
-0.02
+0.04
12.81 ( ) 9
-0.02
+0.04
16.00 ( ) 9
-0.02
+0.03
19.19 ( ) 11 10
-0.03
+0.03
22.36 ( ) 11 10
-0.03
+0.06
28.75 ( ) 13 12
-0.02
+0.04
35.11 ( ) 14 13
-0.04
+0.08
38.31 ( ) 15 14
-0.02
+0.08
41.50 ( ) 15 14
-0.02
Screw size
M6
M8
M3.5
18
Min. thickness
of coupling
Oval value
G
6 0.06 or less
7 0.08 or less
8 0.10 or less
8 0.13 or less
0.15 or less
0.16 or less
0.20 or less
0.25 or less
0.27 or less
0.28 or less
Tightening torque
(N•m)
2.5 to 3.0
5.5 to 6.6
0.80 to 0.96
(Unit: mm)
0.50
0.60
0.70
0.80
0.80
0.82
1.00
1.20
1.26
1.35