Georgia088
Member
Trying to get this mf 30 industrial rebuilt and back and running. Got everything back together, but it's time to adjust valves. And I need help!
We tried to go by book, however We don't really understand. We found the tdc 1 mark on fly wheel lined it up with dot and tried to adjust the gap to the .012 that's specified for both the valves on cylinder one. Then we turned the crank half turn the book calls for and adjusted cyl. 3. Then turned it another half turn (we were back to the tdc 1 mark) and adjusted both valves on cyl 4. Did it one more half turn and did cyl 2. Now what I don't understand is 1. We had to adjust them a long ways from where they were and we haven't moved them from where they were since taking them off the engine prior to rebuild.
2. When we went back around to check them after adjusting they weren't always in the same place.
3. Why can't you adjust both cyl 1 and 4 at the same time because once you make a full revolution (two half turns) and are back at tdc 1 you adjust cyl 4.
Any ideas?
How critical is this? I've heard of people adjusting them by the sound of the motor.
Thanks!
We tried to go by book, however We don't really understand. We found the tdc 1 mark on fly wheel lined it up with dot and tried to adjust the gap to the .012 that's specified for both the valves on cylinder one. Then we turned the crank half turn the book calls for and adjusted cyl. 3. Then turned it another half turn (we were back to the tdc 1 mark) and adjusted both valves on cyl 4. Did it one more half turn and did cyl 2. Now what I don't understand is 1. We had to adjust them a long ways from where they were and we haven't moved them from where they were since taking them off the engine prior to rebuild.
2. When we went back around to check them after adjusting they weren't always in the same place.
3. Why can't you adjust both cyl 1 and 4 at the same time because once you make a full revolution (two half turns) and are back at tdc 1 you adjust cyl 4.
Any ideas?
How critical is this? I've heard of people adjusting them by the sound of the motor.
Thanks!