General 90-040, Руководство по установке и эксплуатации, Страница: 15 / 30

15
CHOOSING AND CHANGING THE BLADE (CONTINUED)
MAKE SURE THE MACHINE HAS BEEN TURNED OFF AND UNPLUGGED FROM THE POWER SOURCE BEFORE PERFORM-
ING ANY MAINTENANCE OR ADJUSTMENTS.
3. Loosen the four lock knobs, and remove the fence
rail.
1. Loosen the blade guard lock knob as shown.
4. Remove the insert from the table using a screw-
driver.
2. Lower the blade guard halfway by turning the knob
A clockwise.
A
• Poor blade guide alignment and adjustment.
• Forcing or twisting a wide blade around a short ra-
dius.
• Feeding the workpiece too quickly.
• Dull teeth.
• Too much blade tension.
• Setting the blade guard too high above the work-
piece.
• Lumpy or improperly finished braze or weld on the
blade.
• Continuous running blade when not cutting.
5. Open the upper door by turning the knob B clock-
wise.
6. Open the lower door by turning the knob C clock-
wise.
B
C
Common causes of blade breakage: