MAINTENANCE
7-33
Hose Fitting
• Metal Face Seal Fittings
(Width Across Flats of Union Nut: 17, 19, 22, and 27
mm)
Fittings are used on smaller size hoses. Metal flare seat
(4) on adapter (1) and metal flare (5) on hose (2) ends
seal pressure oil.
Precaution for Application
Take care not to damage flare seat (4) and flare (5) when
disconnecting or connecting them.
Tightening Torque
Tighten adapter (1) and nut (3) to the torque values
shown in the table below.
±10％
Width across flats (mm) 17 19 22 27
N⋅m 24.5 29.5 39 64
(kgf⋅m) (2.5) (3) (4) (6.5)
Tightening
torque
(lbf⋅ft) (18) (21.5) (29) (47)
M202-07-051
1 4 3 5 2
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