Porter-Cable 7548 - Selecting the Blade; Installing the Blade

OPERATING INSTRUCTIONS
FOREWORD
Model 7548 and 7648 Bayonet Saws are designed for cutting
materials of the following MAXIMUM thickness: Wood 2-1/2";
Aluminum 3/4"; Steel 1/4".
SELECTING THE BLADE
To obtain best results with your Porter-Cable bayonet saw, it is
important that you use the right blade for the job. You will not only get
better performance, but your blades will last longer and a smoother
cut will result. A wide assortment of Porter-Cable blades is listed in
the back of this manual. It is strongly recommended that you obtain a
full assortment so you will always have the correct blade at hand for
any job you might choose to do.
Fig. 1
INSTALLING THE BLADE
CAUTION: Disconnect the saw from the power source.
Using the wrench furnished with your saw, loosen the blade screw
(C) Fig. 1. Insert the blade (A) Fig. 1, up into the blade clamp (B) Fig.
1, as far as it will go. While holding the blade to the front of the blade
clamp, lightly tighten blade screw (C) Fig. 1. Loosen blade screw (C)
Fig. 1,1/4 turn and pull down on the blade. The blade should not pull
out. Firmly tighten the blade screw.