Powermatic M-1791257 Saw User Manual


 
16
Installing/Changing Blades
Always wear gloves when
handling blades. New blades are usually
packaged in a coiled position; to prevent injury
uncoil them slowly and carefully, while wearing
gloves and safety glasses.
1. Disconnect machine from power source.
2. Decrease blade tension by rotating blade
tension handwheel (A, Figure 14) according to
the arrow direction in Figure 14, until the
handwheel stops.
3. Remove the table insert (Figure 13).
4. Remove the set screw at the end of the slot
(Figure 13) with 4mm (or 5/32”) hex wrench.
5. Lower the upper blade guide assembly by
loosening the knob (B, Figure 14) and rotating
the handwheel (C, Figure 14).
6. Open upper and lower front doors.
7. Carefully remove the blade from between
upper and lower blade guides. Remove blade
from upper and lower wheels.
8. Guide new blade through table slot. Place
blade in upper and lower blade guides. NOTE:
Make sure blade teeth point down toward
table, and toward the front of the saw.
9. Position blade on the middle of the upper and
lower wheels.
10. Replace table insert and set screw.
11. Before operating the band saw, the new blade
must be tensioned and tracked properly. Find
instructions for tensioning and tracking the
blade under “Blade Tension” and “Blade
Tracking.” The blade guides must also be set
properly according to the instructions on pages
18 and 19.
Blade Tension
1. Disconnect machine from power source.
2. Close both upper and lower doors.
3. Rotate blade tension handwheel to set the
blade tension, according to the arrow
directions in Figure 14.
4. The gauge (D, Figure 14) indicates the
approximate tension according to the width of
the blade in inches. Initially, set the blade
tension to correspond to the width of your
blade. As you become familiar with the saw,
you may find it necessary to change the blade
tension from the initial setting.
Figure 13
Figure 14