BOMBARDIER 2637, Shop Manual Supplement

Page: 15 / 17

XII
MMR2003_018_00_02A.FM
TIGHTENING TORQUES
Tighten fasteners to torque mentioned in explod-
ed views and text. When they are not specified
refer to following table. Bold face size (e.g.
M4)
indicates nominal value (mean value).

WARNING
Torque wrench tightening specifications must
strictly be adhered to.
Locking devices (ex.: locking tabs, elastic stop
nuts, self-locking fasteners, etc.) must be in-
stalled or replaced with new ones where spec-
ified. If the efficiency of a locking device is im-
paired, it must be renewed.
N•m
FASTENER SIZE
(8.8 grade)
Lbf• in
2 M4 18
3 M4 27
4 M5 35
8 M6 71
9 M6 80
10 M6 89
11 M6 97
12 M6 106
N•m
FASTENER SIZE
(8.8 grade)
Lbf•ft
21 M8 15
22 M8 16
23 M8 17
24 M8 18
25 M8 18
43 M10 32
44 M10 32
45 M10 33
46 M10 34
47 M10 35
48 M10 35
49 M10 36
50 M10 37
51 M10 38
52 M10 38
53 M10 39
76 M12 56
77 M12 57
78 M12 58
79 M12 58
80 M12 59
81 M12 60
82 M12 60
83 M12 61
84 M12 62
121 M14 89
122 M14 90
123 M14 91
124 M14 91
125 M14 92
126 M14 93
127 M14 94
128 M14 94
129 M14 95
130 M14 96
131 M14 97
132 M14 97
133 M14 98
134 M14 99
135 M14 100
136 M14 100
137 M14 101
138 M14 102
139 M14 103
140 M14 103
141 M14 104
142 M14 105
143 M14 105
144 M14 106
145 M14 107
146 M14 108
147 M14 108
148 M14 109
149 M14 110
150 M14 111
N•m
FASTENER SIZE
(8.8 grade)
Lbf•ft
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