Jet J-64812VS, Operating Instructions And Parts Manual

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4. Move the measuring device to the opposite edge
of the belt or platen and measure the distance to
the miter slot.
5. Adjust the table by loosening the three
attachment screws under the table, then move
the table until the distance between the miter slot
and belt or platen is equal on both sides.
6. Tighten the three attachment screws.
7. Reconnect the electrical power to the machine.
Figure 5: Using an adjustable square to check and set
miter slot parallelism on the belt table
7.6 Belt Table Angle Adjustment
1. Loosen the table locking handle and tilt the table
upward to about 15°.
2. Flip out the stop bracket (See Figure 7).
3. Lower the table until its adjusting screw touches
the stop bracket.
4. Place a machinist's square against the table and
belt or platen.
5. If adjustment is required, turn the adjusting screw
(Figure 6) until the table is exactly square to the
platen.
6. Check the pointer. If it is not on 0°, loosen the
pointer screw and adjust the pointer until it is on
0°.
7. Tighten the pointer screw.
8. Loosen the table lock handle and tilt the table
until its stop contacts the 45° stop position.
9. Using a machinist's protractor set on 135° (90° +
45°) adjust the screw until the table and platen
are in correct adjustment. DO NOT reset the
pointer after this operation.
Figure 6: Location of adjustment (socket head)
screws and pointer attachment screw for table angle
adjustment.
Figure 7: Locations of stop lugs and stop bracket for
zero and 45° table positions
7.7 Adjusting or Replacing the Platen
1. Disconnect the electrical power to the machine to
prevent accidental start-ups.
2. Remove the top cover, side guard and belt as
outlined in section 9.1, Belt replacement .
3. Remove the table by unscrewing the locking
handling and lifting the complete table assembly,
from the machine.
4. If you are replacing the platen, remove the three
screws that hold it to its mount -- then install the
new platen and replace the mounting screws
finger tight.
5. If you are only adjusting the platen, loosen the
three mounting screws to allow adjustment.
6. Using a straight edge as shown in Figure 8,
adjust the platen height until it is 1/32 inch higher
than the crown of both the drive and idler drums.
7. Tighten the platen adjustment screws.
8. Reinstall the table and belt.
9. Check and adjust, if necessary, the tracking of
the belt according to instructions in section 9.1,
Belt replacement .
10. Reinstall the guards and covers.
11. Check and adjust the table angles and miter slot
squareness according to table adjustment
instructions in this manual.
12. Reconnect the electrical power to the machine.