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#Post#: 892--------------------------------------------------
Loco stalling when crossing 022 switches
By: donbara Date: December 20, 2014, 1:38 pm
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I have ben having problem with my locomotives e units switching
to neutral when they cross my 022 switches. I have tried
cleaning the wheels and pick us, made sure the insulating pins
are in the proper position, and I know it isn't problem with
just one locomotive as I have the same problem with all three.
I am running track voltage and have 6 pairs of 022 switches on
the layout. Any and all help would be appreciated. Thanks
Don Bara
#Post#: 893--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: TrainLarry Date: December 20, 2014, 8:07 pm
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Welcome to the forum!
A few quick questions to start with.
Do all your locos exhibit the same problem on all your switches,
or just some/one?
Have you cleaned the track and the switches also? Use hardware
store naphtha to clean track/switches/wheels/rollers.
If you have a voltmeter, check for proper voltage along the
entire length of the center rails of the switches.
If you do not have a voltmeter, but have a lighted car, roll it
slowly by hand over the switches and see if the light goes out
at any spot on the switches. You can expect a loss of power as
you traverse the gap between the wide center rail, and the
normal rails. If your locomotives have 2 roller pickups, it
could be possible that only 1 is receiving power, and as you
traverse the gap, the locomotive will lose power and stop.
Next, run a locomotive alone through the switches very slowly
until it stops. Turn off the power and get your head down on the
rails with a flashlight in hand and physically observe exactly
where the locomotive stopped, and the relation of pickup rollers
to the rails. Some locomotives have very wide pickup rollers,
and when going through the switches, the rollers bridge the
center rail to the swivel rail and short out, cutting power and
putting the locomotive in neutral.
Run these tests, and see what results you get.
Larry
#Post#: 894--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: donbara Date: December 21, 2014, 5:22 am
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Larry,
The problem is with all three locos, one prewar, two post wars,
when testing with my volt meter what is the proper procedure for
testing center rail voltage through the switch? I tried the
lighted car method and don't really see where the lights go out,
this is problem that just came up recently to all the switches,
prior to that everything was fine, so I don't believe it is a
pick up issue.
Thanks,
Don
#Post#: 895--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: TrainLarry Date: December 21, 2014, 8:16 am
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Don,
To test the voltage on the switches, set your meter to read AC
volts, and put one lead on the center rails, and the other lead
goes to the outside rails that do NOT have the insulated pins in
them.
These rails are the ground connection.
One rail would be the entire straight outside rail nearest the
switch machine, and another would be the curved outside rail
JUST OPPOSITE the switch machine.
The curved outside rail WITHOUT the insulating pin is also
ground.
Lastly, the swivel points are also ground.
Turn up the power and measure the voltage at the transformer
terminals, the lockon, and on the switches at the described
locations.
The voltage readings should be the same, or within a volt
difference. Any larger variation of voltage at any point needs
to be investigated and corrected.
If your lighted car did not exhibit any problem on both the
straight and curved paths of the switch, chances are the
switches are receiving voltage properly. Check the voltages
anyway, to insure you do not have any voltage drops anywhere.
When finished checking the voltages, run a locomotive slowly
until it stops, and report back exactly where it stopped. Upload
a picture of it if possible.
Larry
#Post#: 896--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: donbara Date: December 21, 2014, 8:54 am
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Larry,
All voltages checked OK when I ran the loco over the switch and
watched where it stopped I realized the rear pick up roller is
not making goid contact as it is badly worn. Is it possible to
replace just the roller, as I have several lighted cars not in
use. Thanks don
PS could not get photo to upload, said folder was full contact
administrator
#Post#: 897--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: Conductor Date: December 21, 2014, 11:54 am
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Welcome Donbara,
Try uploading one more time. I deleted several giant photos to
create space. :)
#Post#: 898--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: donbara Date: December 21, 2014, 12:21 pm
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Here is a photo of the roller pick up
[attachment deleted by admin]
#Post#: 899--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: TrainLarry Date: December 21, 2014, 3:35 pm
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Don,
Glad you found the problem.
What is the number of the locomotive? All rollers are not
created equal, and the correct one must be used. Roller sizes
vary, as does the mounting method.
There are 2 different rollers that mount in similar roller arm
assemblies, one that has the roller and pivot as one piece, and
the other roller that revolves around a separate pin that gets
clinched over on one end.
Which roller do you have on your loco? The picture is not clear
enough to see that detail.
Larry
#Post#: 901--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: donbara Date: December 21, 2014, 10:40 pm
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Larry,
It is a 665, Hudson I believe my father recieved it for
christmas in 1958, i believe it is the second type pf roller you
described with the independent pin that the roller slides on. A
part number for a replacement would br a great help!
Thanks
Don
#Post#: 902--------------------------------------------------
Re: Loco stalling when crossing 022 switches
By: TrainLarry Date: December 21, 2014, 11:09 pm
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The roller is part #2035-140, and the roller pin is #2036-124.
The entire roller bracket with the roller installed (easier to
replace) is #2035-142.
Parts are available online from Brasseur.
(HTM) http://www.traindoctor.com/service/lionel/1600to2100.php
(HTM) http://www.traindoctor.com/service/lionel/1600to2100.php
Larry
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