Tightening Torque For Bolts; Kongsberg Proprietary. This Document And Its Accompanying Elements Contain Kongsberg - Kongsberg Frydenbo IRV-2 Maintenance Manual

Maintenance Manual
10.

Tightening Torque for Bolts

Make sure to follow recommended tightening torque and friction coefficient as described
below.
A friction coefficient μ = 0,15 - normally oiled threads, is assumed in the calculations of the preceding
tightening torques. For other values of the friction coefficient, the tightening torques should be
adjusted accordingly.
Torque for bolts with normally oiled threads:
Dim
Dim
Torque for actuator cover bolts using Molykote G Rapid+:
Dim
Dim
Torque for actuator stay bolts using Molykote G Rapid+:
Dim

KONGSBERG PROPRIETARY. This document and its accompanying elements contain KONGSBERG

information which is proprietary and confidential. Any disclosure, copying, distribution or use is prohibited if not
otherwise explicitly agreed with KONGSBERG in writing. Any authorized reproduction, in whole or in part, must
include this legend. ©2022 KONGSBERG - All rights reserved.
Note!
Qual
M 10
M 12
M 16
M 20
M 24
M 30
Qual
M 10
M 12
M 16
M 20
M 24
M 30
Qual
M 24
M 30
M 36
Qual
M 24
M 30
M 36
Qual
M 24
M 30
M 36
M 42
Nm
8.8
8.8
8.8
8.8
8.8
8.8
Nm
12.9
12.9
12.9
12.9
12.9
12.9
Nm
8.8
8.8
8.8
Nm
12.9
12.9
12.9
Nm
12.9
12.9
12.9
12.9
50
86
215
410
710
1400
84
145
360
700
1243
2400
500
1000
1600
650
1250
1625
700
1350
2100
3700
P a g e
73
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