49
Instruction Booklet
IB131006EN
Effective March 2019
Instructions for installation,
operation, and maintenance of type
VCP-W vacuum circuit breakers
EATON
www.eaton.com
6.2.2 General torque guidelines
Bolts and screws must be properly torqued. This is especially
true if part(s) and/or accessory(ies) are added or replaced.
Table
23
provides guidelines on torque levels. The table is intended as
a general guideline and should be applied in conjunction with the
experience and good judgment of the individual performing the
work.
m
CAUTION
OVER TORQUING CAN CAUSE PERMANENT DAMAGE WHILE UNDER
TORQUING WILL NOT PROVIDE THE PROPER CLAMPING FORCE AND MAY
EVENTUALLY WORK LOOSE.
Table 23. Torque guidelines.
Bolt size
Torque lb-in (ib-ft)
8 - 32
24
10 - 32
36
1/4 - 20
72 (6 lb-ft)
5/16 - 18
144 (12 lb-ft)
3/8 - 16
300 (25 lb-ft)
1/2 - 13
540 (45 lb-ft)
Figure 25. Lubrication points.
Figure 26. 50 VCP-W 63 - 63 kA pole unit.
1 Apply one drop
of mineral oil at
locations shown.
X-washer
