This installation of TCS M1P-SH Reversed Decoder is for HO Scale Rivarossi 2 Truck Heisler and was performed by A.G


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

All together again. Fantastic slow running with the geared drive. Front and rear axles driven as in prototype, 2nd and 3rd axles powered by the tie-rods. Independent trucks with universal joints on the drive shafts. Wheel diameter is about 12mm. ; circumference is then about 37.69mm.; 28 seconds to revolve once at speed step 1; 37.69mm divided by 28 seconds equals 0.001346 m/s; gives a prototype speed of 0.117m/s.

The three upper pictures show the beautiful and very well made Rivarossi 2 Truck Heisler with its shell on.

 

Using a phillips screw driver, remove the screw inside the stack.

 

Remove the whole stack assembly as shown in the picture above.

 

Gently remove the piping from the air tank and lift the front of the boiler upward to disengage the wire braces that holds it to the frame, then pull forward to release the pegs and handrails from the cab.

 

Gently pull the rear sandbox (mark in red) from the back of the bunker

 

The picture above shows the sand box removed from the bunker.

 

Remove the water tank hatch as shown in the picture above.

 

Using phillips screw driver remove the screw that holds the bunker to the chassis.

 

Remove the small air tank from the right front of the cab, under the running board.

 

Remove the front screw (marked in red) then lift the cab and bunker off the frame.

 

lift the cab and bunker off the frame.

 

Here is a picture of disassembled engine where you can see all parts that need to be removed before the decoder is installed.

 

Here is a picture of original light board where you can see NMRA plug.

 

Remove the 8PIN NMRA plug as shown in the picture above.

 

The picture above shows 8PIN NMRA socket where Pin#1 is marked.

 

Insert TCS M1P-SH Reversed decoder so that PIN#1 is lined up with orange wire.

 

Here is a picture of finished decoder installation. Black electrical tape was placed over the decoder so that it cannnot be seen through the cabin's windows. Reverse these steps to reattach the parts.


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

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