Mounting Bolts - Vanguard CPW 125-4-S Series Operation And Maintenance Manual

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Mounting Bolts

As the gearbox manufacturer, we do not supply, warrant or recommend the mounting fasteners used. Please
take great care in specifying this item which will attach our product to yours.
Prescribed sizes, number and quality grades shall be used.
Grip ratio (grip length to diameter of bolt) shall be observed, from minimum ≥2 to maximum ≤10.
Bolts with a fully threaded shaft should be not permissible.
Slewing drive function, lifespan, and durability of the bolt connection are affected in case of non-compliance.
Use flat washers of appropriate size and strength choice of tightening torques so that the permissible interfacial
pressure is not exceeded.
Mounting bolts are in normal cases adequately secured by correct preloading.
Notice: Use of split rings, split washers, etc. not permissible.
Tightening Torque
M6
Class
(1/4-20UNC)
Class 8.8
11.5 N.M
Class 10.9
14 N.M
Class 12.9
17 N.M
Table 2: Tightening Torque and initial preloads for mounting bolts.
KMI does not warrant information of this table. Information is for guidance only.
Mounting Bolt Dimension
M8
M10
(5/16-18UN
(3/8-16UNC)
C)
28 N.M
55 N.M
33 N.M
72 N.M
42 N.M
83 N.M
M12
M16
(7/16-14UNC)
(5/8-11UNC)
97 N.M
240 N.M
120 N.M
305 N.M
145 N.M
360 N.M
10 |
S o l a r S l e w D r i v e M a n u a l
M20
(3/4-10UNC)
470 N.M
600 N.M
705 N.M

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