Lifting Procedure; Lifting Tools Installation - GE PHI 530.1425.2500 Operating And Maintenance Instructions Manual

5.4 Lifting procedure

This paragraph refers to the bushing removal from the transport crate. All references are to the tool lists in Table
5 for the PHI 265 and Table 6 for the PHI 530 and to the drawings RX380466-01 and RX380466-02 in Appendix
3
WARNING: Before proceeding with the installation of the bushing on the transformer, it is necessary that the
bushing gas pressure is set at the transport value (0.25 bar gauge, 0.125MPa abs).
5.4.1

Lifting tools installation

To install the lifting tools, it is necessary to follow this procedure
Remove the crate walls.
Check that the bushing pressure is set
at the transport pressure level.
Install the Lifting Plates (Item 1) on the
•
bushing flange.
Firmly tighten the bolts & nuts at the
•
prescribed torque (see Table 7).
Install the lifting lug (Item 3) on the
•
Lifting Plates and lock it carefully.
Install the Front Plate lifting kit (Item
•
4).
Firmly tighten the bolts & nuts at the
•
prescribed torque (see Table 7).
Control the correct locking on the
•
lifting lugs before installing the ropes.
Install the Tirfor (Item 2) with its built-
•
in ropes on the Lifting Plates (Item 1).
Connect the other side of the Tirfor
•
rope to the hook crane.
Connect the Front lifting rope (Item 5)
•
to the Front Plate lifting kit (Item 4).
HVDC TRANSFORMER BUSHINGS
PHI 530.1425.2500
PHI 265.850.1500
Kepco project
PHI 265
PHI 265
IS 2664 GB
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