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Metal Face Seal Fittings
Fittings are used on smaller diameter joint and consist of a
metal flare (10) and a metal flare seat (9).
1. Inspect flare (10) and flare seat (9). They must be free of
dirt or obvious defects.
2. Tighten fitting (7) by hand.
3. Tighten fitting (7) or nut (8) to the torque values shown.
Do not allow hose (5) to twist when tightening fittings.
Wrench size (mm)
N·m
Tightening
(kgf∙m)
Torque
(lbf·ft)
MAINTENANCE
17
19
22
25
30
40
(2.5)
(3)
(4)
(18)
(22)
(29.5)
7
±10%
27
36
41
65
180
210
(6.5)
(18)
(21)
(47)
(130)
(150)
(184)
7-47
9
8
10
50
250
(25)
5
M202-07-051
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