MTH motor needed

Kosco42 posted:

I have a gear puller so even a dead motor with the correct worm gear can be utilized

It sounds like you need the worm gear, more than the motor.  What happened to the original motor?  You know that removing these worms from the motor shaft without destroying them isn't a trivial job, right?

what is the engine item number for the engine

I come up with P/N BE-0000015 for the motor.

Alan Mancus posted:

what is the engine item number for the engine

It's 30-1115-1....

Chuck Sartor posted:

I come up with P/N BE-0000015 for the motor.

Yes... there are actually several that will work but MTH and Brasseur both claim 'no-got' on them all.

A parts diagram is not available for that locomotive.  Most Railking locomotives have a vertical motor that mounts into the drive gearbox.  Is this what you have?  What exactly is the problem with the motor?    You can test the locomotive by placing the locomotive on rollers on a test track and applying dc voltage directly to the motor brush leads.  Increase voltage and change direction.  Disconnect the tether prior to doing this.  Does the motor run?  The BE-0000015 is not available.  The motor should have some identification on its side.  What is it?  If the motor has a worm gear on its output - do NOT try and remove it.  It is virtually impossible without a gear puller for model trains.  Even if you get the worm gear off it is difficult to install one.  You can bend the motor armature shaft by doing so. Post a picture of the motor by itself so we can help you further.  

Bruce

bruce benzie posted:

A parts diagram is not available for that locomotive.  Most Railking locomotives have a vertical motor that mounts into the drive gearbox.  Is this what you have?  What exactly is the problem with the motor?    You can test the locomotive by placing the locomotive on rollers on a test track and applying dc voltage directly to the motor brush leads.  Increase voltage and change direction.  Disconnect the tether prior to doing this.  Does the motor run?  The BE-0000015 is not available.  The motor should have some identification on its side.  What is it?  If the motor has a worm gear on its output - do NOT try and remove it.  It is virtually impossible without a gear puller for model trains.  Even if you get the worm gear off it is difficult to install one.  You can bend the motor armature shaft by doing so. Post a picture of the motor by itself so we can help you further.  

Bruce

There is no motor... that's the problem. Bought it off the 'bay' without a motor. I have a gear puller and have redone enough of these to know how tricky it can be to swap worm gears. I have several good RS-385 motors that I've already removed the worm gears from so even if I can find a dead motor with the proper worm gear it should have the unit back in business. Most Railking PS1 Pacifics and Hudsons utilize motors with similar worm gears.

This is going to be a tough one.  I am going to say that the 2nd generation of this engine, PS-2 is going to be the same with only a tach strip being the difference. The gear on the axle is probably the same. But the question what is the motor for a PS-2 4-6-2? 

Kosco42 posted:

I have a gear puller and have redone enough of these to know how tricky it can be to swap worm gears. I have several good RS-385 motors that I've already removed the worm gears from...

Wow!  There are some talented folks here who struggled to remove the worm intact, and ended up cutting it off.  Pressing it back on square, snug, and without bending the motor shaft is another challenge.  Would you mind sharing your secret!? 

I would think to reapply the worm you would want a light press fit and use appropriate Locktite product to hold it in place. 

Ted S posted:

Kosco42 posted:

I have a gear puller and have redone enough of these to know how tricky it can be to swap worm gears. I have several good RS-385 motors that I've already removed the worm gears from...

Wow!  There are some talented folks here who struggled to remove the worm intact, and ended up cutting it off.  Pressing it back on square, snug, and without bending the motor shaft is another challenge.  Would you mind sharing your secret!? 

Ditto what Ted said,....these little motors have their gear pressed on with unbelievable force....please share your procedure possibly with pics, I’d like to learn how you do it too.......Pat

I’ve destroyed every puller tried. Maybe heat is the secret. I’m not ruining anymore pullers to find out. 

Yep, the worm gear is REALLY on there.  The only time I've actually gotten one off intact I used a lot of heat, more than I was comfortable with.  I also broke a cheap home-made gear puller on one, and I have put worm gears in the "do not remove" category.

I have several unknown MTH motors in stock. Can you take a couple of pictures of the worm gear? The motors are all the same, so it is the gear it's self I need a photo of.

Are you sure this is the motor? You said it was missing. Did this photo come from Trainz?

The PS/1 RK K-4 is in the RailKing Parts Catalog, Second Edition; Rev 090999.

The motor listed is BE-0000017.

Finding a 20 year old motor is going to be tough. I guess call Midge and see what the equivalent PS-2 K-4 motor # is. That may be a better shot to find.

Chuck Sartor posted:

Are you sure this is the motor? You said it was missing. Did this photo come from Trainz?

The picture is from the MTH parts site. It's a similar motor from a 4-6-4 Hudson. Same worm gear. Only difference is that the flywheel has a slight taper to fit into the Hudson without rubbing the roof.