Intermountain F7B

Scale:
N Scale


This installation uses the following decoder:


This installation is for the N Scale Intermountain F7B and uses the TCS IMF4 Decoder - performed by J.M.

First remove the shell by rocking it back and forth until it slips off of the chassis. Once the shell is removed your chassis should look like the image below.
First remove the shell by rocking it back and forth until it slips off of the chassis. Once the shell is removed your chassis should look like the image below.


Unscrew the two screws holding the original lighting board in place and lift out the light board. Place the IMF4 back into the locomotive with the same orientation as the lighting board above. Use the two screws to attach the IMF4 to the frame and your installation should look like the image below.
Unscrew the two screws holding the original lighting board in place and lift out the light board. Place the IMF4 back into the locomotive with the same orientation as the lighting board above. Use the two screws to attach the IMF4 to the frame and your installation should look like the image below.


Finally, replace the shell and you are ready to run your locomotive.
Finally, replace the shell and you are ready to run your locomotive.



Important Soldering Tip

Please do not use any flux either liquid or paste on the mother board. It will damage it. Use only Rosin core solder approved for electronics use. 
We recommend to use only Kester "44" rosin core, SN63PB37, .015" diameter, part number 24-6337-0007.
This can be ordered from Techni-Tool under Techni-Tool part number 488SO157
http://www.techni-tool.com

Other solder tips

When stripping wire, only strip a tiny little bit of the insulation. Strip no more then a 1/64 of an inch. When the wire gets tinned with solder, the insulation will shrink back more. Try to not expose any more wire then half the length of the solder pad at most. In no case should solder or exposed wire wire ever be outside the boundary of the the solder pad you are attaching a wire to.
Click here for important information on properly Stripping and Tinning wire