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Primer Knob Replacement

Posted: Fri Dec 11, 2020 5:09 pm
by Patrick Phillips
Do anyone know how the primer knob is held on mine is cracked and i want to replace just the knob....Thanks Pat

Re: Primer Knob Replacement

Posted: Fri Dec 11, 2020 5:19 pm
by daedaluscan
I just broke a perfectly good one by not understanding how it came off. Ended up making a new one on my lathe. Several for sale on ebay.

Re: Primer Knob Replacement

Posted: Fri Dec 11, 2020 6:32 pm
by GAHorn
According to some instructs I’ve read (I have not personally done this) Not all knobs come off the plunger.... the nut must be loosened and the entire plunger pulled out of the body.

Re: Primer Knob Replacement

Posted: Fri Dec 11, 2020 6:56 pm
by daedaluscan
On mine the pin should be pulled, and then the knob spins off. There is a pilot hole in the knob male thread. Ill use a spot of loctite on reassembly.

Re: Primer Knob Replacement

Posted: Sun Dec 13, 2020 2:19 am
by Patrick Phillips
ok thanks for the replies .....I kind of thought the little had to come out ....I will try it

Re: Primer Knob Replacement

Posted: Sun Dec 13, 2020 8:25 pm
by cessna170bdriver
We successfully reattached one on ‘97C about a year ago with 5-minute epoxy.

Re: Primer Knob Replacement

Posted: Sun Dec 13, 2020 8:37 pm
by GAHorn
cessna170bdriver wrote:We successfully reattached one on ‘97C about a year ago with 5-minute epoxy.
How do you get it back off..?? :lol: