aesmith
Silver Member
Hi,
The tractor is a Siromer 304 which I think is virtually identical to the Jinma 254. More to the point, the engine is the Y385T.
Has anyone carried out an overhaul of the starter motor for this or similar engines. The problem that I was having was really sluggish turn over, almost as if the battery was flat or weak. In fact for a cold start it sounds as if the motor isn't going to turn over at all. Using a known good battery didn't help. After checking all the connections (which were OK) I decided to have a look at the starter.
What I found was that the commutator and brushes were all gunged up with greasy grey muck to the extent that you could hardly see the copper colour. I've cleaned all that up and the commutator looks OK now, there's plenty of meat on the brushes and the springs and connections look OK.
This seems to have improved things but it's early days. Is there anything else that would be worth checking?
Thanks, Tony S
The tractor is a Siromer 304 which I think is virtually identical to the Jinma 254. More to the point, the engine is the Y385T.
Has anyone carried out an overhaul of the starter motor for this or similar engines. The problem that I was having was really sluggish turn over, almost as if the battery was flat or weak. In fact for a cold start it sounds as if the motor isn't going to turn over at all. Using a known good battery didn't help. After checking all the connections (which were OK) I decided to have a look at the starter.
What I found was that the commutator and brushes were all gunged up with greasy grey muck to the extent that you could hardly see the copper colour. I've cleaned all that up and the commutator looks OK now, there's plenty of meat on the brushes and the springs and connections look OK.
This seems to have improved things but it's early days. Is there anything else that would be worth checking?
Thanks, Tony S