South Bend Tools
For Machines Mfd. Since 10/21
Model SB1118
-57-
TROUBLESHOOTING
Table moves up
when it should
move down.
1.
Power connections wired out of
phase.
1.
Correct phase polarity (Page 24).
Symptom
Possible Cause
Possible Solution
Excessive snipe
(gouge at the end
of workpiece that
is uneven with the
rest of cut).
Note:
A small
amount of snipe is
inevitable with all
types of planers–
the key is to
minimize it.
1.
One or both bed rollers are set too
high.
1.
Lower height of bed rollers (Page 35).
2.
Rear extension table slopes down or
is not level with main table.
2.
Adjust rear extension table set screws to make
extension table level with main table (Page 20).
3.
Chip breaker, feed roller, or
pressure bar set too low.
3.
Adjust height of chip breaker, feed roller, or
pressure bar (Page 46).
4.
Workpiece is not properly supported
as it leaves planer.
4.
Use an assistant or roller beds/stands to properly
support workpiece as it leaves planer.
Workpiece stops/
slows in the middle
of cut.
1.
Depth of cut too deep.
1.
Reduce depth of cut (Page 31).
2.
Pitch and glue build-up on planer
components.
2.
Clean planer components with a pitch/resin
dissolving solvent (Page 38).
3.
One or both bed rollers are set too
low.
3.
Raise height of bed rollers (Page 35).
4.
Chip breaker or pressure bar set
too low.
4.
Raise height of chip breaker or pressure bar
(Page 46).
5.
Feed rollers set too low or too high.
5.
Adjust feed rollers to correct height (Page 46).
6.
Timing belt worn/loose.
6.
Inspect/replace belt (Page 45).
7.
Feed motor brushes worn out.
7.
Replace motor brushes (Page 50).
Inconsistent chip
marks.
1.
Chips are not being properly
expelled from around cutterhead.
1.
Use an adequate dust collection system; adjust
chip deflector in or out, depending on your setup
(Page 46).
Machine has
vibration or noisy
operation.
1.
Motor or component loose.
1.
Replace damaged or missing bolts/nuts or tighten if
loose.
2.
Feet not adjusted properly.
2.
Adjust machine feet to stabilize machine (Page 19).
3.
V-belt(s) worn, loose, pulleys
misaligned or belt slapping cover.
3.
Inspect/replace belts with a new matched set
(Page 44). Realign pulleys if necessary (Page 51).
4.
Pulley loose.
4.
Secure pulley on shaft.
5.
Motor mount loose/broken.
5.
Tighten/replace.
6.
Motor fan rubbing on fan cover.
6.
Fix/replace fan cover; replace loose/damaged fan.
7.
Bed rollers protruding unevenly.
7.
Adjust bed rollers (Page 35).
8.
Cutterhead bearings at fault.
8.
Replace bearings.
9.
Motor bearings at fault.
9.
Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
Table will not
move.
1.
Limit switch engaged/at fault.
1.
Inspect/replace if at fault.
2.
Blown fuse.
2.
Replace fuse/ensure no shorts.
3.
Thermal overload relay has tripped/
at fault.
3.
Reset. Adjust or replace if at fault.
4.
Contactor not energized/at fault.
4.
Test all legs for power (A1, A2); repair/replace if at
fault.
5.
Table motor at fault.
5.
Inspect/replace if at fault.
Содержание SB1118
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