Automatic bar oiler or manual pump?
Main spot for the bar oiler to plug up is the passage from the case of the saw into the bar, sawdust can get in and stop things up .
Do you know how to remove the bar and chain ?
Do you have an air compressor ?
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.