New to this site. But not to Sears jacks. Have 328.12002 and 328.12160. The 160 I have apart and cleaned. The 02 model is another story.
The main 2-3/16 nut will not loosen? I have had a 6 ft cheater pipe and pipe looks like Superman bent it. I tried impact on cheater with 6 lb sledge. No go...