Manualshelf

Operation Manual

ManualsBrandsKubota ManualsMiscellaneousBX25
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BX25, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
BACKHOE
4.
TIGHTENING TORQUES
[1] GENERAL USE SCREWS, BOLTS AND NUTS (FOR FRONT LOADER
AND BACKHOE)
Screws, bolts, and
nuts
whose
tightening
torques
are
not
specified in
this
Workshop
Manual
should
be
tightened
according
to
the
table below.
Indication
on
top
of
0 ®
No-grade
or
4T
ill
@
7T
or
Property
class
8.8
@@
bolt
9Tor
Property
class
10.9
Material
of
opponent
Ordinariness
Aluminum
Ordinariness
Aluminum
Ordinariness
~t~m
IbHt
N'm
kgf·
N'm
kgf·m
IbHt
N'm
kgf'm
IbHt
N'm
kgf·m
IbHt
Diameter
M6 7. .80
5.8 7.9 0.80
5.8
9.81
1.00 7.24 7.9
0.80
5.8 12.3
1.25
9.05
. to to to to to to to to to to to to to
0
to
(6 mm, 0.24 In.) 9.3 0.95
6.8
8.8 0.90 6.5 11.2 1.15
8.31
8.8 0.90
6.5
14.2
45
10.4
M8
18 1.8 13
17
1.7 13 24 2.4 18 18 1.8 13
30
3.0 22
(8
mm, 0.31 in.)
to to to to to to
to
to to to to to to
to
to
20
2.1
15 19 2.0 14 27 2.8 20 20
2.1
15
34 3.5 25
M10
40 4.0
29 32
3.2
24
48 4.9
36
40 4.0 29
61
6.2
45
(10 mm, 0.39 in.)
to to
to to to to to to to to
to
to to to to
45 4.6
33
34 3.5 25 55 5.7
41
44 4.5 32 70 7.2
52
M12
63 6.4
47 78 7.9
58
63 6.4
47 103
10.5
76.0
(12 mm, 0.47 in.)
to to
to
-
-
to to to to to to to to to
72
7.4
53
90 9.2 66 72
7.4
53
117
12.0 86.7
M14
108 11.0
79.6
124 12.6 91.2 167 17.0 123
(14 mm, 0.55 in.)
to to
I
9~0
-
-
to
to to
- -
to to to
25
12.8 2.5 147 15.0
108
196
~
144
M16
17.0
123 197 20.0 145 260
I 192
(16 mm, 0.63 in.)
to to to
- - to
to
to -
-
to
to to
191
19.5
141
225
23.0
166
304
31.0
224
M18
246 25.0
181
275 28.0
203 344 35.0 254
(18 mm,
0.71
in.)
to
to
to
-
-
to
to
to
-
to to to
284 29.0
209
318 32.5
235
402 41.0
296
M20
334
34.0 246 368 37.5 272
491
50.0 362
(20 mm, 0.79 in.)
to
to to
-
-
to to to
- -
to to to
392 40.0 289
431
44.0
318 568 58.0
419
Wi
034542
[2] STUD BOLTS
Material
of
opponent
part
N'm
IbHt
M8
12
6.5
to to
to to to
to
(8 mm,
0.31
in.)
15
1.6
11
11
1.2
8.6
M10
25
2.5
18
20
2.0
15
to to
to to
to to
(10 mm, 0.39 in.)
31
3.2
23
25
2.6
18
M12
29.5
21.7
to to
to
31.4 3.2 23.1
(12 mm, 0.47 in.)
49.0 5.0
36.1
M14
62 6.3
46
to
to to
(14 mm,
0.55 in.)
73
7.5
54
M16
98.1
10.0
72.4
to to
to
(16 mm, 0.63 in.)
112
11.5 83.1
M18
172 17.5 127
to
to
to
(18 mm, 0.71 in.)
201
20.5
148
Wi
048139
9-S7