Best to get a gunsmith to help you.
take bolt off
slide the spring to the 2nd hole and go from there
Open the action and fire it while pulling the bolt toward you as if you were aiming the gun.
To disassemble the Cooey Model 60 bolt, first ensure the firearm is unloaded and the safety is engaged. Remove the bolt by pulling the bolt handle fully back and then lifting it out of the receiver. Next, locate the bolt stop and push it down to release the bolt body from the bolt handle. Once separated, you can further disassemble the bolt by removing any screws or pins as needed for cleaning or maintenance. Always refer to a specific manual for detailed instructions.
To disassemble Savage Model 29, separate the operating handle from the breech bolt. Move it halfway before pushing down.
There is a pin that has to be driven out. It passes thru the front section of bolt and is off-center
Let a gunsmith do it.
i have one and cant get the bolt in it.
I have a Marlin Firearms Co. 12 gage, bolt action shotgun.
1947 - 1953
To disassemble the bolt on a Browning X-Bolt, first ensure the rifle is unloaded and pointed in a safe direction. Remove the bolt by pulling the bolt release lever located on the side of the receiver while simultaneously pulling the bolt rearward. Once the bolt is removed, you can disassemble it by pulling the bolt handle back and rotating it counterclockwise to unlock and separate the bolt body from the bolt head. Be cautious not to lose any small parts during the process.
Glenfield,which was made by Marlin Firearms Company made a bolt action .410ga shotgun from 1956-1965.This was the marlin model 59 which is the same shotgun as your Glenfield model 60.