Ho Mehano train

The Santa Clause brought a train Mehano to my son.
But during the first stake on rail, the locomotive seems to slip on the
spot, although no car are dragged and although it have no hillside on the circuit there.
It is thus necessary to push it every 20 cms to advance it.
Every electrical thing seems to be correct, the engine turns well.
Anybody has an idea to sort out things ?
Thanks
Jean-Eric
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
It could be that the track has an oily residue on it. You might try cleaning a length of the track and see if that helps. If the track is the culprit, the wheels probably have oil on them and will also need to be cleaned.
Bill Bill's Railroad Empire http://www.billsrailroad.net
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
thanks you
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.