I have a jd 2320 with front snow blower. Has performed great all winter. The last snow we had while using blower the snow would bog down the blower and it would not throw very far. The engine rpm did not slow down. I stopped moving forward and the blower returned to normal when the load lessened. This was light snow and this never bogged down like this in this light of snow. I moved forward again and the same thing happened. all shear bolts were in place, the blower was still on the shaft key. I engaged pto again and the same thing happened again, I went to check the manual to see if there was any troubleshooting suggestions. There was not. I went back out to put the machine away, moved the pto position lever from front to rear and back thinking it was bumped, there was no change, Then out of the blue the blower worked like a charm.
Thought this was just a glitch and moved on an blowed for an hour no issues.
Went out today to see if this was a one time occurrence, sad to say the same thing happened. Blower bogged down to almost stop and the engine rpm did not drop.