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Idiomas disponibles
Idiomas disponibles
Attention!
All maintenance or cleaning should be done with the power off and the spark plug wire disconnected.
Disposal of oil and oil containers should follow the oil manufacturer's instructions on disposal. Do not
discharge on the floor or in the common trashcan.
For proper screw tightening, use an adequate torque wrench and the values listed in the tables below:
Thread
M6
M8
M10
M12
M14
M16
These are guiding values, and are based on average conditions of steel-to-steel friction.
Thread
N.m
1/4
12.1
5/16
23.9
3/8
41.5
1/2
101.0
9/16
143.0
5/8
199.0
These are guiding values, and are based on average conditions of steel-to-steel friction.
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Torque Specifications
Screw torques - metric - coarse thread - UNC
Screw torques - Inches
Coarse thread- UNC
Grade 5
Grade 8
lbf.ft
N.m
8.9
17.0
17.6
33.9
30.6
58.4
74.4
141.0
105.4
201.0
146.7
280.0
Resistance class - 8.8
N.m
10.6
25.6
51.2
88.0
138.0
210.0
Resistance class
Grade 5
lbf.ft
N.m
12.5
13.5
25.0
25.9
43.0
45.7
104.0
110.0
154.8
155.0
114.3
206.5
219.0
161.5
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lbf.ft
7.8
18.8
37.7
64.9
101.7
154.8
Fine thread - UNF
Grade 8
lbf.ft
N.m
9.9
18.9
19.1
36.6
33.7
64.2
81.1
155.0
114.3
219.0
161.5
308.0
227.1
lbf.ft
13.9
26.9
47.3
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