2. Align the center of the pipings and sufficiently
tighten the flare nut by hand.
3. Finally, tighten the flare nut with torque wrench
until the wrench clicks.
• When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the
arrow on the wrench.
mm inch kgf
.
m lbf
.
ft
Ø6.35 1/4 1.8~2.5 13~18
Ø9.52 3/8 3.4~4.2 24.6~30.4
Ø12.7 1/2 5.5~6.6 39.8~47.7
Ø15.88 5/8 6.3~8.2 45.6~59.3
Ø19.05 3/4 9.9~12.1 71.6~87.5
Outside diameter Torque
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