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3)
TIGHTENING TORQUE AND HYDRAULIC CONNECTIONS
(1)
Hydraulic connections
(2)
Tightening torque
Screwed
connection
1/4 BSP.F
3/8 BSP.F
1/2 BSP.F
7/16-20 UNF
3/4-16 UNF
M 12×1.5
M 18×1.5
M 22×1.5
T L P R
Max. tightening torque [ kgf·m(lbf·ft) ]
With cutting
With copper
edge
washer
4.1(29.7)
6.1(44.1)
10.2(73.8)
-
-
4.1(29.7)
7.1(51.4)
10.2(73.8)
5-24
L : Left port
R : Right port
T : Tank
P : Pump
(780-3A) 5-71
With aluminum
washer
2.0(14.5)
3.1(22.4)
2.0(14.5)
5.1(36.9)
3.1(22.4)
8.2(59.3)
2.0(14.5)
6.1(44.1)
2.0(14.5)
3.1(22.4)
2.0(14.5)
5.1(36.9)
3.1(22.4)
8.2(59.3)
With O - ring
-
-
-
-
-
-
-
2.0(14.5)
5.1(36.9)
7.1(51.4)
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