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You must disassemble an Ithaca Model 37 for maintenance and repair of this pump-action shotgun. The Ithaca Model 37 breaks down first from the barrel and magazine, then the fore-end, aft stock and action. Once you have disassembled these main components of the shotgun, you can observe the smaller mechanical components inside the magazine and action. They are exposed for your maintenance or repair. You can completely disassemble the Ithaca Model 37 in less than half an hour.
Items you will need
Workbench with vise
1/8 inch flat-head screwdriver
18 inch shaft flat-head screwdriver
Barrel and Magazine Disassembly
Wrap the shotgun's aft stock with the towel and place the stock in the vise, careful not to over-tighten it.
cdtirot5 image by Paco Ayala from Fotolia.com
Screw the magazine end-cap clockwise until it no longer rotates.
Rotate the barrel 90 degrees counter-clockwise and remove it from the action.
Rotate the magazine end-cap counter-clockwise and remove it from the magazine. Remove the magazine spring and plug.
Unscrew the yolk-screw with the 1/8 inch flat-head screwdriver. Tap the yolk with the nylon hammer until it slides off the end of the magazine.
Fore-end, Aft Stock and Action Disassembly
Remove the shotgun from the vise; turn it over and tighten it in the vise.
Push the action forward and expose the slide-bar pin. With the 1/8 inch flat-head screwdriver, pull the slide-bar pin back and remove the fore-end from the action and off the end of the magazine.
Twist the fore-end cap counter-clockwise and remove it. Pull the action-bar and slide-tube out the back of the fore-end.
Remove the two screws holding the butt-plate to the aft stock. Remove the butt-plate.
Insert the 1-inch screwdriver into the center hole of the shotgun's butt. Twist the screwdriver counter-clockwise until the screw holding the stock to the action disengages. Remove the stock from the action.