LordVader Posted September 7, 2011 Share Posted September 7, 2011 I recently put a Chip into a Navy I'd acquired from Flee-bay. The model seemed ok and ran well until I noticed that one of the side rods was bent (I already started weathering so a little too late to send it back) I corrected this and the loco seemed to run ok. After putting the chip in the model seems to run fine going backwards but terrible going forwards it's half the speed of the other loco's and the motor makes a horrid noise I've also noticed the side rods at the top catch on the footplate.Has anyone else had this problem? or has some joker sold me a lemon? Link to comment Share on other sites More sharing options...
ace10086 Posted September 9, 2011 Share Posted September 9, 2011 this sounds more of a mechanical problem rather than something to do with the decoder. Are you sure something didn't get damaged whilst fitting the decoder? Link to comment Share on other sites More sharing options...
Snow_man Posted September 22, 2011 Share Posted September 22, 2011 Yes i agree sounds like something has got bent either whilst fitting the decoder or before you got it. I had this problem with a Canadian Pacific i got from the same site, It needed to go back to Hornby and have all new con-rods fitted on one side and a new worm drive fitted so that it ran properly will cost you about £15 to get it done but will be worth it to make it run properly Link to comment Share on other sites More sharing options...
markSandD Posted September 23, 2011 Share Posted September 23, 2011 I have 3 Merchant Navy's all running on DCC. One of them has the side to side wobble, but apart from that, they all work fine, if anything I would say they run smoother under DCC control.Was this a DCC ready model, where you just plug in the chip, or is it one of the earlier models where you have to solder the chip in place? Sometimes if the Decoder is located over the top of the gearbox, or motor, it can end up pressing on to the top of them, when the loco body is screwed back on, causing the motor to make more noise. Link to comment Share on other sites More sharing options...
bill sykes Posted October 9, 2013 Share Posted October 9, 2013 Post a new reply... Link to comment Share on other sites More sharing options...
bill sykes Posted October 9, 2013 Share Posted October 9, 2013 What I have done in past is take off the body undo screw that holds the motor lift the motor to disengage the worm and turn the wheels by hand/ the prob may then become apparent. Link to comment Share on other sites More sharing options...
Bulleidboy Posted October 9, 2013 Share Posted October 9, 2013 I think that Lordvader may have solved his problem - he posted the question seven hundred and sixty three days ago! Caught me for a moment. I have several M/N Class - the DCC fitted ones do run extremely smoothly. Link to comment Share on other sites More sharing options...
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