G0890/G0891 (Mfd. Since 06/19)
-41-
Using a Rotacator
Items Needed
Qty
Hex Wrenches 3mm, 4mm ..........................1 Ea.
Wrench or Socket 10mm .............................1 Ea.
Rotacator (see
Page 31) ................................... 1
To use a Rotacator:
1. DISCONNECT MACHINE FROM POWER!
2. Make sure knives are set to correct height
(refer to
Adjusting/Replacing Knives on
Page 27 for detailed instructions). If machine
is helical cutterhead, make sure all inserts
are properly installed (refer to
Rotating/
Replacing Cutterhead Inserts on Page 29
for detailed instructions).
3. Raise headstock at least 4" above table.
4. Remove top cover, belt cover, and gearbox
cover.
5. Using your Rotacator, find bottom dead cen-
ter (BDC) of any knife/insert edge by slowly
rocking cutterhead pulley back and forth,
then set Rotacator dial to "0" (see
Figure 43).
Figure 43. Example of using a Rotacator to find
BDC.
6. Move feed speed knob to neutral position to
allow infeed roller to freely rotate.
7. Keeping Rotacator dial at "0", position it
under right-hand side of infeed roller and find
BDC of a serrated edge by rocking infeed
roller back and forth.
Figure 44. Example of infeed roller bushing
block and height adjustment controls.
Roller
Bushing
Block
Jam Nut
& Set Screw
9. Repeat Steps 7–8 on left side of infeed roller.
10. Re-check both sides of infeed roller and, if
necessary, make further adjustments until
infeed roller height from side-to-side is 0.040"
below BDC of cutterhead knife, then retighten
both jam nuts.
11. Keeping same "0" reference on Rotacator
dial from
Step 5, repeat Steps 7–10 for out-
feed roller, but adjust it until it is 0.020" below
BDC of cutterhead knife.
8. Loosen jam nuts and use set screws on each
side of feed roller as shown to adjust height
of infeed roller bushing block until Rotacator
dial shows 0.040", which is the recommended
distance for infeed roller below cutterhead.
12. Re-install belt cover, top cover, and gearbox
cover.
Содержание G0890
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