Search found 1 match
Search found 1 match • Page 1 of 1
- Thu Jun 06, 2019 1:09 am
- Forum: Maintenance and Repair
- Topic: Old Mark 7 wont maintain speed
- Replies: 6
- Views: 15131
Have an old Mark 7 that won’t maintain speed. Starting slow, the speed increases on its own until it gets to 3200 RPM then stops increasing on its own. The speed control is smooth. I disassembled the speed control and cleaned and lubricated the assembly. All the parts look to be in good condition wi...