machine sat outside for about a week and inside while i changed the front main seal on engine for a few days also.Unfortantley customer tried to repair himself.I was handed this to only orginally to just charge system after he repaired it. No idea what he repaired or how much r134 he put in it to st...

Good morning .Working on a john deere 9510 combine.Customer says he has repaired it just wants us to charge it.Ok I go and oull a vacum on system.Find it has r134 in it and is over filled.Recovered 6.57 pounds when book says should only be 4-4.5pounds.Get done with recovery and tried pulling a vacum...