Nail Channel Rebuild - Model 50M (back)
5.12
 

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Nail Channel Rebuild - Model 50M Manual Nailer.   Mount the nailer in a padded vise. Remove the 4 flange nuts from the adapter foot. Turn the nailer over in the vise. Remove the 4 socket head cap screws from the adapter foot. Lift the adapter foot and channel straight up off the nailer body. Pull the channel out of the adapter foot. Remove the four 1/2" socket head cap screws from the steel foot. Remove the steel foot. Remove the gate plate. Check the gate and gate plate for any wear or obstructions. Remove the 3 socket head cap screws that are holding the gate to the channel. After removing the screws, use a hammer to work the gate off the channel. Note the two roll pins located on the gate. The channel has matching holes for realigning the gate during reassembly. Remove the 1-1/2" screw and locknut from the pusher spring. Slide out the nail pusher assembly. Remove the spacer. Remove the 1-1/4" socket head cap screw from inside the knob. Disassemble all parts of the nail pusher assembly. Examine all parts for wear and replace as necessary. Nail channel is ready for reassembly. Reassemble the pusher spring and 2 spools. Slightly release tension on the spring to put the spools in place. Use the 1-1/4" socket head cap screw to mount the parts to the nail pusher assembly. Insert the spacer. Slide the nail pusher assembly into the channel. Install the 1-1/2" screw and locknut. Tighten firmly. Slide the nail pusher assembly down the channel. Line up the two roll pins on the gate assembly with the two holes in the channel. Put the gate plate over the gate while matching the 2 roll pins. Use a hammer to tap the gate assembly onto the channel. Install the four 3/4" socket head cap screws to secure the gate and gate plate to the channel. Tighten Firmly. Use the (4) 1/2" socket head cap screws to reinstall the steel foot.   Firmly tighten the four screws. Nail channel rebuild is now complete.