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Bachmann Spectrum SD45 shell removal

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  • Member since
    October 2010
  • From: Vancouver, WA (SP&S country)
  • 109 posts
Bachmann Spectrum SD45 shell removal
Posted by Capt. Brigg on Saturday, July 2, 2016 9:41 PM

I recently acquired a Bachmann Spectrum SD45 in new condition and need to find out how to remove the shell to inspect the DCC decoder. I have the parts sheet but no directions for disassembling the unit. Any help in finding instructions will be greatly appreciated.

Capt. Brigg CEO Pacific Cascade Railway in HO gauge

www.pacificcascaderailway.com

Capt. Brigg Franklin
USCG Licensed Marine Officer
Certified crazy train chaser
CEO: Pacific Cascade Railway

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Saturday, July 2, 2016 10:05 PM

Don't know of any company who gives directions for shell removal. All parrt of model railroading.

Below is a link from the Bachmann forums.

http://www.bachmanntrains.com/home-usa/board/index.php/topic,23086.0.html

Rich

If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.

  • Member since
    October 2010
  • From: Vancouver, WA (SP&S country)
  • 109 posts
Posted by Capt. Brigg on Sunday, July 3, 2016 1:47 AM

Thanks Rich for the link. I'll learn tomorrow if the information helps. Smile

Capt. Brigg Franklin
USCG Licensed Marine Officer
Certified crazy train chaser
CEO: Pacific Cascade Railway

  • Member since
    January 2010
  • 2,616 posts
Posted by peahrens on Sunday, July 3, 2016 7:08 PM

The TCS site shows a DCC ready decoder install.  Unfortunately the description skips the details of how to get the shell removed, but the photos may help.  Looks like there are four tabs (that may require a helping push with a screwdriver from below, while pulling the shell upward from the chassis and platform) that extend into slots in the frame.  Tht's the way some of the Kato shells are removed, which looks like a similar arrangement.  On the Katos, once the shell starts coming upward you can see the movement and things start coming apart more easily.  If you then use a screwdrive to pry the shell to platform gap, be sure not to damage the platform surface.

But I don't know about screws, but the link above says the coupler screws go upward into the shell.  If other screws are a factor, unlikely any of concern are under the fuel tank as those on most locos are motor screws (that you don't want to remove).  But I'm quite unsure as I don't have any Bachmann diesels.

http://www.tcsdcc.com/Customer_Content/Installation_Pictures/HO_Scale/Bachmann/Spectrum_SD45/bachman_spectrum_sd45.htm

Not sure if your "parts sheet" is the following exploded diagram but it may help another forum member describe the approach.

http://www.bachmanntrains.com/home-usa/dwg/dwgs/H827X_IS002-DCC.PDF

 

Paul

Modeling HO with a transition era UP bent

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Posted by jjdamnit on Monday, July 4, 2016 12:58 PM

Hello all,

Most newer Bachmanns require you to pry off the fuel tank cover.

There you'll find four screws that hold the body onto the frame.

Hope this helps.

"Uhh...I didn’t know it was 'impossible' I just made it work...sorry"

  • Member since
    October 2010
  • From: Vancouver, WA (SP&S country)
  • 109 posts
Posted by Capt. Brigg on Tuesday, July 5, 2016 1:10 PM

On this Bachmann Spectrum SD45 the shell comes off by removing the coupler covers and then there are four tabs with slots on the shell and four slots with small "buttons" in the slots on the side of the slot toward the middle. This means squeezing the shell is the wrong way to disengauge the tabs.Bachmann NP engine

Also of interest is that this engine has a Bachmann Digital decoder listed for $50, what I paid for the entire engine. Since I've never seen a Bachmann decoder before I wonder if some one else (Digitrax, NCE, etc) makes thier decoders for them?

Capt. Brigg Franklin
USCG Licensed Marine Officer
Certified crazy train chaser
CEO: Pacific Cascade Railway

  • Member since
    October 2006
  • From: Western, MA
  • 8,571 posts
Posted by richg1998 on Tuesday, July 5, 2016 8:05 PM

Bachmann diesel decoders like this have had a bad rep, so bad NCE designed one some years ago.

Look for NCE bach-dsl decoder. THe manual is online also.

Rich

If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.

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