Assembly Owner manual

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Installation Instructions

Multipulse Bridge Assembly Parts Kits

These instructions cover front end component replacements on 1336 PLUS

II drives and 1336 IMPACT H frame drives with Multipulse bridge

assemblies.

Snubber Board

Replacement Kit

Where This Kit Is Used

Snubber Board Replacement Kit (Part Numbers 304470 (AC), 304469,

304468 (DC)) - You can use this kit to replace the snubber boards that are

located on the side of the AC Diode bridge heatsink assembly.

Table 1. Snubber Board Part Numbers

What This Kit Contains

This kit contains snubber board(s) and these instructions. Note: Number of

snubber boards varies according to kit number.

Locating the Snubber Board(s)

The snubber boards are located on the side of the bridge heatsink in the

converter bay of your drive. The location of the converter bay will vary from

system to system.

Description Page

Snubber Board Replacement Kit 1

Converter Diode Replacement Kit 3

Converter Fan Replacement Kit 6

Converter Thermal Switch Replacement Kit 8

Spare Parts 10

Replacement Parts 12

Replacement Kit Number Vendor No.

1336 - SN-SP7B 20849

1336 - SN-SP8B 21032

1336 -SN-SP9B 13960

Typical Snubber

Board(s) Location

Inverter Bay Converter Bay

Summary of content (14 pages)

PAGE 1
Installation Instructions Multipulse Bridge Assembly Parts Kits These instructions cover front end component replacements on 1336 PLUS II drives and 1336 IMPACT H frame drives with Multipulse bridge assemblies.
PAGE 2
Multipulse Bridge Assembly Parts Kits Replacing the Snubber Board(s) ! ATTENTION: Disconnect and lock out power from the system before disassembling the bridge. Failure to disconnect power may result in death or serious injury. Verify bus voltage by measuring the voltage between +DC and –DC on terminal block TB1 located at the bottom of the 1336 Drive in the inverter bay. Do not attempt to service the drive until the bus voltage has discharged to zero volts.
PAGE 3
Multipulse Bridge Assembly Parts Kits Converter Diode Replacement Kit 3 Where This Kit Is Used You can use this kit to replace any of the converter diodes that are located in the converter bay of your 1336 PLUS II Multipulse or H-Frame 1336 IMPACT drive. Diodes covered by these instructions are listed in the following table: Table 2. Converter Diode Part Numbers Replacement Kit No.
PAGE 4
Multipulse Bridge Assembly Parts Kits Replacing the Converter Diode(s) To replace the converter diode(s), follow these steps: ! ATTENTION: Disconnect and lock out power from the system before disassembling the bridge. Failure to disconnect power may result in death or serious injury. Verify bus voltage by measuring the voltage between +DC and –DC on terminal block TB1 located at the bottom of the 1336 Drive in the Inverter Bay.
PAGE 5
Multipulse Bridge Assembly Parts Kits 5 Important: Thermal Compound must be applied immediately to both surfaces to prevent oxidation from reoccurring. 6. Apply a thin, even coat of Thermal Compound (not supplied) to the new diode and the mounting surface. Dow Corning 340 is the recommended Thermal Compound. 7. Position the new converter diode being careful to match the holes for the screws. 8.
PAGE 6
Multipulse Bridge Assembly Parts Kits Converter Fan Replacement Where This Kit Is Used Kit Converter Fan Replacement (Catalog Number 1336-FAN-SP9A) -You can use this kit to replace any of the fans that are located on the bridge heatsink in the converter bay of your1336 PLUS II Multipulse or 1336 IMPACT H-Frame drive. The number of fans varies by model. Table 4.
PAGE 7
Multipulse Bridge Assembly Parts Kits Replacing the Fan(s) To replace the fan(s), follow these steps: ! ATTENTION: Disconnect and lock out power from the system before disassembling the drive. Failure to disconnect power may result in death or serious injury. Verify bus voltage by measuring the voltage between +DC and –DC on terminal block TB1 which is located at the bottom of the 1336 Drive in the Inverter Bay. Do not attempt to service the drive until the bus voltage has discharged to zero volts. 1.
PAGE 8
Multipulse Bridge Assembly Parts Kits Converter Thermal Switch Replacement Kit Where This Kit Is Used Converter Thermal Switch Replacement (Catalog Number 1336-TR-SP8A) - You can use this kit to replace the thermal switch(es) that are located on the multipulse bridge assembly in the converter bay of your 1336 PLUS II Multipulse or H-Frame IMPACT drive. Table 5.
PAGE 9
Multipulse Bridge Assembly Parts Kits Replacing the Thermal Switch(es) To replace the thermal switch(es), follow these steps: ! ATTENTION: Disconnect and lock out power from the system before disassembling the drive. Failure to disconnect power may result in death or serious injury. Verify bus voltage by measuring the voltage between +DC and –DC on terminal block TB1 which is located at the bottom of the 1336 Drive located in the Inverter Bay of the cabinet.
PAGE 10
Multipulse Bridge Assembly Parts Kits Spare Parts To determine spare parts for your Bridge Assembly, follow these steps: A. Determine Drive Size (HP) using Table 6 for CT or Table 7 for VT and then the type of multi-pulse transformer used in the drive package. B. Find drive size and move to the right until you are under the column which describes the transformer. That number is the bridge assembly number (Table 8).
PAGE 11
Multipulse Bridge Assembly Parts Kits 11 Table 7. VT Bridge Assemblies 1336 Variable Torque Drive Size (HP) AB Part Numbers BX040V B040V BX060V B060V B075V B100V B125V B150V B200V B250V BP250V BP300V BP350V BP400V BX250V B300V B350V B400V B450V B500V B700V B800V Used with 12P ISO. XFMR Used with 12P Auto XFMR Used with 18P ISO.
PAGE 12
Multipulse Bridge Assembly Parts Kits Replacement Parts To order replacement kits: A. Find the bridge part number on the actual order related schematics or the Bridge Assembly data nameplate. B. Reference that number to this page for replacement kit numbers. Table 8.
PAGE 13
Multipulse Bridge Assembly Parts Kits Notes: 13
PAGE 14
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