Technical

A few days ago I sent in a post on maintaining my DDE. After re-assembly I put it on test only to hear the squeel from the controller. Now squeeling usually only occurs when there is no loco on track or when it has run out of water. But this wasn't the case here. The only change I made to the loco was to put in a new wiper and its wires to the PCB. On close inspection to see if anything was amiss I noticed the motor wires were on their last strands so I re-soldered, but still no luck, it still squeeled. Hmmm, is the tender at fault? So I tested the tender coupling it up to my Seagull and everything worked, so the tender is ok. Then what has gone wrong 🥶

If anyone can shed a light on this problem I would be very grateful.

Hello folks.

I am back again in need to assistance with a Mallard. For the past two days the loco has been running fine. Her low water sensor tripped and I went ahead and refilled its boiler. As soon as I put power back on the regulator motor kicked on and would not stop. The only time this would change is if I input a command. Upon inspection it looks like the wiper board needs to be replaced as it has warped and the red lead has an exposed section near the superheater. The gears, regulator linkage and everything else mechanically seem to be fine.

Thank you all for your help and have a good one.

DDE. It wasn't working too well even though I had replaced the cylinder o-rings. So I decided to strip it down into it's main components, give it a good clean and hopefully regain steam locomotion. Unfortunately it wasn't to be. After de-oiling everything, re-assembling and timing from scratch, it seemed to work ok with compressed air, but putting it onto the rolling road, all I got was a squeel from the controller. Ugh! What's gone wrong, I don't know. (Help is required here, please) I replaced the wiper assembly with a complete new one as the old wires had work hardened and one had broken away from the PCB. In stripping down the chassis, I put the screws back from where they came so as not to loose them, but also in putting each screw back into the hole they came from ensures they are compatible with its thread -…

Hi all,

I've started stripping my Mallard down as per the advice on here, and I'm following the video tutorial, however the cylinder support just seems to pop off when you remove the valve gear in the maintenance video.

Mines stuck fast. Am I doing something wrong?