Hitachi ZW370 Technical Manual page 33

Hose band tightening torque
Low pressure hose
(heat resisting hose)
Inner dia. (mm) Outer dia. (mm)
6.3 16.5
7.9 18.5
9.5 20.5
12.7 24.5
15.9 29.9
19.0 30.0
25.4 38.0
31.8 45.8
38.1 52.1
50.8 67.8
60.5 76.0
75.5 93.0
Low pressure hose
Inner dia. (mm) Outer dia. (mm)
6 16.5
8 18.5
9 20.5
9 22.0
12 24.5
12 26.0
15 29.0
15 30.5
19 32.0
19 34.0
25 39.5
25 41.5
32 46.0
32 48.0
38 54.0
50 70.5
50 73.0
To connect the hose to the pipe, tighten the hose band
at the following position:
Tightening torque
Hose band
(N-m)
69002-02200
69002-02700
69002-03100
69002-04400
69002-05200
69002-05700
69002-07100
69002-08200
69002-09500
Tightening torque
Hose band
(N-m)
69002-02200
69002-02300
69002-02700
69002-03100
69002-03800
69002-04400
69002-05200
69002-05700
69002-07600
Tightening torque
(kgf-cm)
1.6 16
4 40
Tightening torque
(kgf-cm)
1.6 16
4 40
Fix the band
avoiding the beading.
Hose band
ZW370 FS 00-17
00 General Information
Outline
Tightening torque
(lb-ft)
1.2
2.9
Tightening torque
(lb-ft)
1.2
2.9
2~3 mm (1/8 in)
Pipe
Hose
K50V200002