9.USING LEATHER GLOVES AND ANSI Z87.1 EYEWEAR TO PROTECT YOURSELF FROM THE CUTTING BLADE, carefully remove the blade from the drive wheels. Remove the blade out of the saw table through the table.
10.Hang the removed blade in a safe place.
NOTE: Clean out the interior of the saw with a shop vacuum. Examine the bearings and other exposed mechanisms of the saw.
11.Using protective gloves, carefully ease the replacement blade into the table slot and over the upper and lower drive wheels.
NOTE: It is possible to install the blade upside down. Make sure the teeth on the blade are pointing downward.
NOTE: The blade should be “free standing” at the cutting throat; the upper and lower blade guides should not touch the blade at any point. Also, make sure the blade is in the slot in the blade guard on the left side of the machine frame. Refer to Figure 1 to identify the blade guard.
12.Apply tension to the blade using the tension knob. The tension levels for various blade widths are shown on the markings on the tension device. Refer to Figure 3 for a view of the tension system.
13.Slowly turn the upper drive wheel by hand, while OBSERVING THE BLADE TRACKING. The blade should track, more or less, in the center of the drive wheel. If the blade does not track true, adjust the tracking to keep the blade centered.
14.Unlock the tilt adjustment knob by loosening its locking wing nut. Both the adjustment knob and wing nut are identified in Figure 7.
15.Turn the tilt adjustment knob (usually a VERY LITTLE at a time) to adjust the tilt of the upper drive wheel. Do this while turning the upper wheel by hand, and adjusting until the blade stays centered on the wheel.
16.Tighten the tilt mechanism locking wing nut.
17.Using the
18.Adjust the lower carbide blade guides until they just contact the sides of the blade. Make sure the guides DO NOT CONTACT THE TOOTH PORTION OF THE BLADE. The guides should touch only the flat part of the blade. After correctly positioning the carbide guide blocks, tighten the set screws securely.
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| Table leveling | Leveling | |
|
| bolt lock | ||
|
| bolt | ||
Trunnion | Blade | nut | ||
| ||||
attachment | support |
|
| |
bolts | bearing |
|
|
| Front |
| Blade support | |
Blade guide | Carbide | bearing micro- | ||
trunnion | blade guide | adjusting knob | ||
microadjusting | ||||
lock |
|
| ||
knob | knob | Guide |
| |
|
| block | Rear | |
|
| support | ||
|
| trunnion | ||
|
|
| lock | |
|
|
| knob |
Figure 12. Lower Blade Guide Support
Rear View
Table leveling pin
Front trunnion | Lower blade |
| support bearing |
Trunnion attachment bolt
| rear |
| trunnion |
Guide block | Rear trunnion |
microadjusting | lock knob |
knob |
|
Front |
|
trunnion | Carbide guide block |
lock knob |
Figure 13. Lower Blade Guide Supports Front View
19.Adjust the upper support assembly so the support bearing just contacts the back edge of the saw blade.
20.Adjust the upper carbide blade guides until they just make contact with the blade BEHIND THE TOOTH AREA OF THE BLADE. Then tighten the set screws securely.
21.Replace the table insert.
22.Insert the table pin into its slot.
23.Close the drive wheel guards.
24.Plug the electrical cord into power source or close the circuit breaker on the branch circuit.
25.Turn on the power and observe the action of the blade to sure the blade is correctly ad- justed.
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