Eaton E501B Quick Start Manual

Hide thumbs

page of 16

/ 16
Bookmarks

Quick Links

Download this manual

Application Note AP040079EN

Effective July 2014

IT Starter Repair – HVX Intellipass Drives

Introduction

This guide is to assist with the separation and replacement of one contactor section on

the IT series reversing starter assemblies. The repair of the assembly may be required

due to burnt sections of a contacor, or a contactor coil not pulling in and sealing. The

guide is only used to repair the assembly with an operational electronic overload. This

guide includes frame size/series B/E501B, C/E501C, D/E501D, and E/E501E.

E501B and E501C Assemblies

1. If the starter/contactor is mounted to a plate remove the plate by removing the 2

screws on the bottom side (see Figure 1-1).

Need help?

Do you have a question about the E501B and is the answer not in the manual?

Questions and answers

Summary of Contents for Eaton E501B

Page 1 The guide is only used to repair the assembly with an operational electronic overload. This guide includes frame size/series B/E501B, C/E501C, D/E501D, and E/E501E. E501B and E501C Assemblies 1.
Page 2 2. Remove contactor covers by turning out the 4 cover screws, 2 per cover, until they are fully released from the contactor (see Figure 1-2). Carefully pull up on each cover and un-seat from the contactor (see Figure 1-2a). 3. Turn out all 6 Allen/hex head lugs/screws all the way and then turn back in 1.5 turns to keep the lugs/screws from falling out.
Page 3 4. Pull up on the electronic overload, right side of the overload section, and remove. Gently pull back the locking clip on top of the bus bar block and then lift up and remove the left side of the overload section (see Figure 1-4 and Figure 1-4a). a.
Page 4 6. Take the new contactor and remove the top cover (same 2 screws as on the starter). Turn out all 6 lugs/screws and then turn each one back in 1.5 turns to keep the lugs/screws from falling out. 7. If the side being replaced is the right contactor be sure to transfer the small spring over from the old contactor (see Figure 1-5).
Page 5 9. To connect the other contactor to the installed interlock move the exposed inter- lock pin to the up position (see Figure 1-8). Once it is in the up position press firmly on the contactor with the interlock installed to keep the interlock from changing positions (see Figure 1-8a).
Page 6 11. Re-install the remainder components in the reverse order 12. When installing the left side of the overload place the buss pins into the contactor terminals and then gently press down until the locking clip on the upper left snaps into place (see Figure 1-10).
Page 7 13. Firmly tighten down the lug/screws onto the overload assembly (see Figure 1- 11). For specific torque specifications refer to the cut sheet included with the new contactor and reference to the line and load side torque specifications or see Table 1-1.
Page 8 14. Re-install covers and secure the cover screws (see Figure 1-12). If a plate was used, re-install the plate and secure with the two screws that were removed (see Figure 1-12a). There are multiple holes on the plate, but only 2 of them will line up with the contactor assembly.
Page 9 E501B and E501C Assemblies 1. If the starter/contactor is mounted to a plate remove the plate by removing the 4 screws on the bottom side (see Figure 2-1 and Figure 2-1a). 2. Remove the contactor covers by turning out the 4 cover screws, 2 per cover, until they are fully released from the contactor.
Page 10 3. Turn out all 6 Allen/hex head lugs/screws all the way and then turn back in 1.5 turns to keep the lugs/screws from falling out (see Figure 2-3). - For D Frame use 4mm - For E Frame use 8mm 4.
Page 11 Caution a. NOTE: Be careful not to lose the small spring located at the foot of the right side contactor (see Figure 2-5). 5. Carefully separate each half of the contactors from the interlock. The interlock is clipped into each contactor on the 4 corners of the interlock (see Figure 2-6).
Page 12 6. Take the new contactor and remove the top cover (same 2 screws as on the starter). Turn out all 6 lugs/screws and then turn each one back in 1.5 turns to keep the lugs/screws from falling out (see Figure 2-3 for reference). 7.
Page 13 10. Test Interlock Functionality: Only one side will engage at a time and it shall en- gage fully. Press and hold one contactor side down and the opposite contactor should not go down when pressed. Reverse to test the other contactor (see Fig- ure 2-9).
Page 14 12. When installing the left side of the overload place the buss pins into the contactor terminals and then firmly press down until the locking clip on the upper left snaps into place (see Figure 2-10 and Figure 2-10a). 13. Before installing the right side of the overload check for the little spring again and insure it is installed (see Figure 2-11).
Page 15 14. Firmly tighten down the lug/screws onto the overload. For specific torque speci- fications refer to the cut sheet included with the new contactor and reference to the line and load side torque specifications or see Table 2-1 (see Figure 2-12). 15.
Page 16 Technical Sales: Please contact your local sales representative or call the pre-sale engineering support by email: VFDPresale@Eaton.com or by phone: 1-877-386-2273, Option 2, Option 6, Option 1. All other supporting documentation is located on the Eaton web site at www.eaton.com/Drives Eaton 1000 Eaton Boulevard Cleveland, OH 44122 USA Eaton.com...

This manual is also suitable for:

E501c