Shop fox W1678 Manual page 55

Operation (Cont.)
PROBLEM
Burn marks on 1. Incorrect sandpaper grit for operation.
workpiece.
2. Excessive depth of cut or feed rate too slow.
3. Sandpaper loaded with sawdust and gum.
4. Sandpaper not properly wrapped around
drum.
5. Sandpaper damaged or worn.
Ripples or lines in 1. Uneven feed rate.
workpiece.
2. Conveyor belt flexing or vibrating.
Uneven 1. Sanding drum(s) not parallel with conveyor
workpiece thick-
belt.
ness from side to
side.
Conveyor table 1. Table leadscrews dirty or loaded with saw-
elevation con-
dust.
trols stiff and
2. Handwheel worm gear dirty or loaded with
hard to adjust.
sawdust.
Poor dust collec- 1. Dust collection lines incorrectly sized for
tion.
machine.
2. Dust collection system underpowered or too
far away from machine.
3. Dust scoops improperly adjusted.
POSSIBLE CAUSE
-52-
Model W1678 (For Machines Mfd. Since 02/24)
CORRECTIVE ACTION
1. Use correct sandpaper
(Page 24).
2. Reduce depth of cut (Page 26) or increase feed
rate (Page 27).
3. Clean/replace sandpaper (Page 28).
4. Inspect and reinstall sandpaper (Page 28).
5. Replace sandpaper (Page 28).
1. Maintain even feed rate through entire sanding
operation (Page 27).
2. Reduce depth of cut (Page 26) or decrease feed
rate (Page 27). Tighten loose fasteners.
1. Adjust sanding drums parallel with conveyor belt
(Page 37).
1. Clean and lubricate table leadscrews (Page 34).
2. Clean and lubricate worm gear (Page 33).
1. Use at least 8" main line with two 6" branch lines
that each Y into 4" dust ports at machine.
2. Upgrade dust collection system; decrease distance
between dust collector and machine.
3. Properly adjust dust scoops (Page 42).
grit for operation