Rockwell-automation FlexPak 3000 Power Module SW-Version 4.3 Uživatelský manuál stáhnout pdf (Strana 81)

REPLACEMENT PARTS and ACCESSORIES

49’1340 e FlexPak 3000 8-1

8.0 Replacement of components

Use original spare parts only.

Selection according to Tables 8-1 to 8-6.

The location of the parts is shown on the layout

label inside the U-frame.

(1) Screws

(2) Steel plate

(3) Housing

(4a) Flat washer

(4) Plate springs

(5) Stamp

(6) Semiconductor

(7) Centering bolt

(8) Heatsink

Replacement of a thyristor or thyristor

module Type 25 - 800 A

• Loosen and swing out regulator and Interface

assembly

• Remove bus bars above the thyristors

• Remove gate leads of the thyristor concerned

• Unscrew thyristor or thyristor module

• Before mounting the new thyristor or thyristor

module, coat the side, which is in contact with

the heat sink, with a thin layer of heat

conducting paste.

For units 800 A:

NOTE: for safe and easy mounting of thyristors

on 800 A units we recommend the tool

PN 050.00.00

• Insert thyristor into box-clamp and put the

package on the centering bolt on the heatsink

• Fasten the four hexagon bolts by hand until

all slack is taken out and take care that the

clamp housing stays parallel to the heatsink.

• Tighten each bolt by half a revolution at one

time with hexagonal torque socket spanner 8

mm (10 mm), diagonally.

NOTE: Observe recommended torque!

• Repeat the procedure until the clamp is held

down firmly to the heatsink on each side.

• Re-connect gate leads

• Screw on bus bars.

NOTE: Before replacing a thyristor or thyristor

module the gate and cathode faston

connectors must be checked for

conductivity.

1 2 ... 76 77 78 79 80 81 82 83 84 85 86 ... 215 216

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Rockwell-automation FlexPak 3000 Power Module SW-Version 4.3 Uživatelský manuál Strana 81

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