Rockwell Automation 1336S_E Drive Multipulse Bridge Assembly User Manual
Multipulse bridge assembly parts kits, Installation instructions, Snubber board replacement kit
 
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