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Model Railway Electrics - How to fit Point Motors (examples)



Point Motor Placement - Where and how to place your point motors. Point Motor Fitting - How to fit a point motor under your layout


How to fit a point motor: (underneath your point) Author "Edward Holmes" (forum member)


 

This is the way that I have found to work best for fitting point motors, this is what works best for me, I am not saying it will work just as well for you, therefore I accept NO responsibility for any damage that may be caused to yourself, someone else or your layout by following the instructions below.

 

Note: Just to avoid any confusion, my baseboard is 12mm MDF and 4mm fine sanded cork tiles, the following method relies on this kind of baseboard, however you are quite welcome to adapt the idea to suit your layout board.
 



Firstly, mark where the sliding bar mechanism goes:


Then remove the point and any surrounding track work, marking either side of the rails in two or more places, draw two lines, down the centre of your marks, it should look like this:


You should now have two points at which the lines cross, drill this with about a 3mm pilot hole:


It should look like this when they are drilled:


Now drill the hole out bigger, using a 22mm flat chisel drill bit, to make an "8" shaped hole:


Now clean up the sawdust, otherwise it may get in the point mechanism or motor and cause it to fail:


Once you have done this, cut the hole out using jigsaw:


The hole should now look like this:


Cut a piece of spare cork to 33 by 50mm:


Place the piece on top of the hole, centre it and draw round it:


Cut round the marked out box with a craft knife or similar:


Chisel out the cork so that you are left with a lip all the way around the hole:

 


Once you have cleaned the hole, it should look like this, don't press too hard otherwise you will remove some of the MDF and it will spoil the final finish:


Place into the hole to check that it fits properly, you can always cut the cork a little smaller, or the hole a bit bigger, then remark the line which you drew to start off with:


Now you can drill some holes in the centre of the cork cut out using the small 3mm piolet drill, if you like you can use a knife or the chisel to make the slot nice and crisp:


Hold the point motor up to the piece of cork and mark out the metal spikes, it is important that you get this bit right:


Drill four holes where you have marked the point motor, using the 3mm piolet drill, and position in hole:


Now align the point motor to the cork, push through the holes and line the point up to the motor plugs, check it operates properly and offer up to hole, you must ensure that the central pin is pushed into the holes in the sliding bar mechanism of the point:


 

Finally push into position making sure that the cork sits flush, wire it up, test it, if all works well, pin the surrounding track down and the point:

 

Wola, there you have it! Smile

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Model Railway Electrics - Power Clip - This page includes how to fit a hornby power clip, and where to put your power clip or power track. Model Railway Electronics - Train Controllers (AC,DC,DCC,PWD) What's the difference Model Railway Electrics - DC Controller - This page describes what dc control is. Its advantages and dis-advantages. R965 and C990 Model Railway Electrics - DCC Control - Digital Command Control (DCC) Model Railway Electrics - Infra-Red Control - (IRC) Infrared Model Railway Electrics - Point Motors Model Railway Electrics - Switches -  switches include  SPDT, DPDT, on-on, on-off, on-off-on, (on)off(on), Toggle switches, slide switches, and push to make switche. Switches can be used to operate model railway signals, model railway point motors, model railway turntable, Model railway Lights, isolating sections, etc Model Railway Electronics - Lights - This page include LED's L.E.D.'s,  filiment lamps and Bi pin lamp. This page discusses their power consumption heat and suitability for common uses. Model Railway Electrics - Arm Signal - How to Automate an Arm Signal R171 & R172 Model Railway Electris - Light Signals - Signal wire diagrams, How do real light signals work? Hornby, Gaugemaster, Build your own Signal - R406 Model Railway Electrics - Build Your Own Railway Signal, This page discusses how you can build your own cheap model railway signal Model Railway Electrics - How to build a working railway crossing Model Railway Electrics - How to build your own street lights Model Railway Electrics - Hornby turntable - Circuit diagram, Wiring diagram, video Model Railway Electrics - Isolating Circuit - What are isolating sections for, Circuit diagram, Build your own isolating section, How to wire isolating sections. Model Railway Electrics - Control Box - How to build a model railway control box to control your signals, points and other model railway electronics.

 

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