BRP Johnson 4HP Service Manual page 22

GENERAL INFORMATION
TIGHTENING TORQUE
Tightening torque – general bolt
NOTE:
These values are only applicable when torque for a general bolt is not listed in the "Important Fasteners"
table.
TYPE OF BOLT
(Conventional or "4" marked bolt)
(Stainless steel bolt)
(7 marked or marked bolt)
NOTE:
"C" marked self-tapping bolt will tap a thread to an aluminum alloy
part which is replaced by servicing. When installing the self-tap-
ping bolt to a new part, follow the procedure below.
•
Tighten the bolt until the bolt head is seated on the secured part
first.
•
Completely loosen the bolt.
•
Retighten the bolt to the specified torque finally.
1-16
THREAD
DIAMETER
N·m
5 mm 2 – 4
6 mm 4 – 7
8 mm 10 – 16
10 mm 22 – 35
5 mm 2 – 4
6 mm 6 – 10
8 mm 15 – 20
10 mm 34 – 41
5 mm 3 – 6
6 mm 8 – 12
8 mm 18 – 28
10 mm 40 – 60
TIGHTENING TORQUE
kg-m
0.2 – 0.4
0.4 – 0.7
1.0 – 1.6
2.3 – 3.5
0.2 – 0.4
0.6 – 1.0
1.5 – 2.0
3.4 – 4.1
0.3 – 0.6
0.8 – 1.2
1.8 – 2.8
4.0 – 6.0
Ib-ft
1.5 – 3.0
3.0 – 5.0
7.0 – 11.5
16.0 – 25.5
1.5 – 3.0
4.5 – 7.0
11.0 – 14.5
24.5 – 29.5
2.0 – 4.5
6.0 – 8.5
13.0 – 20.0
29.0 – 43.5