sn Posted September 19, 2014 Share Posted September 19, 2014 I call it BPS or Bachman Pannier Syndrome! I have 4 of these. 3 have, one-by-one , developed a problem where when you place the loco on the track they will move only incredibly slowly. After about 5 mins they will get up to only about a scale 30 mph. Start them up the next day and the problem returns. I treat them just the same as all my other bachman locos and this is not apparent in other types. It is driving me crazy! Help! Len Link to post Share on other sites More sharing options...
RMweb Gold Corbs Posted September 19, 2014 RMweb Gold Share Posted September 19, 2014 Mine's always done this, I cannot get it to run above a crawl. Someone suggested the grease in the gears may have gone hard. I haven't had mine apart to take a look. Link to post Share on other sites More sharing options...
RMweb Gold TheSignalEngineer Posted September 19, 2014 RMweb Gold Share Posted September 19, 2014 I has the same problem with an 08. Solidifed white grease in the gears was cleaned out at it improved significantly Link to post Share on other sites More sharing options...
asmay2002 Posted September 19, 2014 Share Posted September 19, 2014 I call it BPS or Bachman Pannier Syndrome! I have 4 of these. 3 have, one-by-one , developed a problem where when you place the loco on the track they will move only incredibly slowly. After about 5 mins they will get up to only about a scale 30 mph. Start them up the next day and the problem returns. I treat them just the same as all my other bachman locos and this is not apparent in other types. It is driving me crazy! Help! Len Motor lost its magnetism? Link to post Share on other sites More sharing options...
DCB Posted September 19, 2014 Share Posted September 19, 2014 Are we talking split chassis or the later type? I have a scrapped three split chassis types as the motor burned out and the wheels came loose on the axles, not necessarily in that order but I have neither serviceable motor nor usable wheels, the coupling rods are handy for re wheeling K Chassis with Romfords though. I guess sluggish running plus big OnTrack power unit equals burned out motor. Link to post Share on other sites More sharing options...
lwjghg Posted September 20, 2014 Share Posted September 20, 2014 I had one conventional wiper chassis Pannier Tank do this - a combination of the white grease per The Signal Engineer`s post and the keeper plate being too tight (the two central screws on this particular one (not my other PTs) need to be on the verge of falling out). Did you also do anything to the spring on the central axle? Nonetheless, definitely could be the motors. Link to post Share on other sites More sharing options...
34theletterbetweenB&D Posted September 20, 2014 Share Posted September 20, 2014 ...3 have, one-by-one , developed a problem where when you place the loco on the track they will move only incredibly slowly. After about 5 mins they will get up to only about a scale 30 mph. Start them up the next day and the problem returns... You have a direct comparison between the one good example and the other 3. Disengage the worm from the drive train and assess rollability from 'cold'. If the 3 problem locos are draggy compared to the good one, there's your trouble. But I associate this problem description with oil inside the motor can getting onto the commutator and brush graphite. Some of it gradually removed by running the motor, but a new film develops when the loco stands. Replacing the motor the practical solution. Link to post Share on other sites More sharing options...
bigherb Posted September 22, 2014 Share Posted September 22, 2014 As others have said it is usually due to the grease going hard. All my early Bachmann locos showed the same symptoms, a good strip down and cleaning out the old grease restored them to working order. Link to post Share on other sites More sharing options...
DCB Posted September 22, 2014 Share Posted September 22, 2014 Not a million miles off topic Does anyone know where to get a new motor for a split chassis Bachmann Pannier, I am aware that Replica at Swindon have the pod motors for Mainline chassis. Link to post Share on other sites More sharing options...
34theletterbetweenB&D Posted September 23, 2014 Share Posted September 23, 2014 It was the same motor as in the J72 last time I looked, and the J72 remains a split chassis product when offered. Motor spare for the J72 is listed as 050-106. Link to post Share on other sites More sharing options...
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