Maeda MC305C-3 - Hose Connector Tightening Torque

M A E D A Mini-Crawler Crane Section 5 – SPECIAL TOOLS AND STANDARD TIGHTENING TORQUE
3/2019 MC305C-3 5-17
Other Bolts
Nominal Size
(Mark "a")
Width Across
Flat
(Mark "b")
Target value
Tolerance
mm
mm
N·m
kgf·m
N·m
kgf·m
6
10
3.0
0.30
2.6-3.5
0.26-0.35
8
13
7.5
0.75
6.5-8.6
0.65-0.85
10
17
14.5
1.45
12.6-16.7
1.25-1.65
12
19
25.0
2.55
21.7-28.8
2.20-2.95
14
22
40.0
4.10
34.8-46.0
3.55-4.70
16
24
62.5
6.40
54.3-71.9
5.55-7.35
18
27
86.0
8.75
74.8-98.9
7.60-10.0
20
30
122
12.4
106-140
10.8-14.3
22
32
166
16.9
144-191
14.7-19.4
24
36
211
21.5
183-243
18.7-24.7
27
41
309
31.4
269-355
27.3-36.1
30
46
419
42.6
364-482
37.0-49.0
33
50
570
58.0
495-656
50.4-66.7
36
55
732
74.5
636-842
64.8-85.7
Hose Connector Tightening Torque
Unless otherwise indicated, tighten hose connectors using the
torque values shown in the following table:
Determine the appropriate tightening torque based on the hose
connector width across flats (a).
Hose No.
Width Across
Flat
(Mark "a")
Target value
Tolerance
-
mm
N▪m
kgf▪m
N▪m
kgf▪m
02
19
44
4.5
35-54
3.5-5.5
03
22
74
7.5
54-93
5.5-9.5
24
78
8.0
59-98
6.0-10.0
04
27
103
10.5
84-132
8.5-13.5
05
32
157
16.0
128-186
13.0-19.0
06
36
216
22.0
177-245
18.0-25.0
Fig. 5-22