Woodstock SHOP FOX W1740 - Manual (Page 37)

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Model W1740 (For Machines Mfg. Since 1/13)
SE
RV
IC
E
The table lift screws are connected by a chain and driven
by the handcrank handle. (When the chain is removed
from a sprocket on one of the lift screws, that lift screw
can adjust that portion of the table up/down indepen-
dently to assist in setting the table parallel to the drum).
Each complete tooth rotation on a sprocket moves that
corner of the table 0.007" or 0.18mm.
Adjusting the table lift screws will only be necessary if
you need to adjust the drum height more than allowed at
the pillow block bearing. If you have removed the table or
chain (see Page.39) during a service procedure, you must
reset the drum parallel to the table.
To.adjust.the.table.lift.screws,.do.thes.steps:
1.. DISCONNECT SANDER FROM POWER!
2. Open the right side and front panels.
3. Raise the table up to at least the 1" mark on the
height scale.
4. At the lift screw that needs to be adjusted, mark the
end of a sprocket tooth and the chain hole where
that tooth is meshed, as shown in Figure.42.
5. Loosen the chain by loosening the hex nut on the
bottom of the idler roller sprocket shown in Figure.
43.
6. Carefully move the chain off only the marked
sprocket.
7. Keep track of the marked chain hole and rotate the
sprocket the necessary number of teeth away from
the marked one to meet the difference in height
needed.
8. Fit the chain back over the sprocket, making sure
the new sprocket tooth is inserted into the marked
chain hole.
9. Re-tension the chain and check the new height set-
ting.
10. Repeat Steps.5–9 as needed until the table height is
parallel to the drums in all four corners, then tight-
en the idler sprocket and calibrate the scale pointer.
Table.Adjustment
Figure.42. Marking sprocket and lift screw
timing.
Figure.43. Chain tensioner sprocket.
NOTICE
Marking. the. chain. and. sprocket. loca-
tions.will.save.you.a.substantial.amount.
of.time.when.you.re-install.the.chain..
Make. sure. you. have. done. this. before.
removing.the.chain.