Preinstalling The Supports - GE GL 310 F3/4031 P/VR Operating Instructions Manual

High voltage circuit breaker
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I
NSTALLATION
6.5

Preinstalling the Supports

30
Each support is fastened with four anchor bolts. Each anchor bolt
has three nuts and two washers. The support is adjusted using the
two lower nuts. The support is secured using the upper nut. One
washer each is placed between the support and the nut immedia-
tely below and above it.
• Remove the upper nuts (2) and washers (3) from the anchor
bolts.
• Screw the lower anchor bolt nuts (2) down until they are just
above the foundation.
• Lubricate the anchor bolt threads as per L1.
• Fasten the lifting tackle (6) to the support (1) using two M16
eyebolts and two shackles. Use two holes located diagonally from
one another in the top plate for this purpose.
• Lift the support and set it down on the four anchor bolts.
• Screw the upper washers (3) and nuts (2) on the anchor bolts
until finger-tight. The nuts will be adjusted later during the
alignment operations.
• Remove the lifting tackle (6).
6
1
1
Support
2
Nut, M24
3
Washer, 24
4
Anchor bolts Provided at site by customer (corrosion-re-
5
Foundation
6
Lifting tackle -
OI 248 (EN)
1x
12x
8x
sistant steel with minimum strength of
2
Rp 235 N/mm
)
Provided at site by customer
2
3
4
5
REV6
/REV5

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