Southbend SB1040 User Manual

Page of 72
-46-
For Machines Mfg. Since 8/09
Model SB1040/SB1041
TR O U B L E S H O OTI N G
Handwheel has 
excessive backlash, 
endplay, binds, or 
is difficult to move.
1
Leadscrew is dirty or lacks proper 
lubrication.
1
Clean and lubricate the leadscrew (see Page 38).
2.
Bevel gears out of adjustment. 
2.
Re-adjust bevel gears to reduce backlash (see Page 
43
).
3.
Bearing or leadscrew collar is worn 
or loose.
3.
Replace bearing or readjust leadscrew collar (see 
Page 43).
4.
Linkage bolts, pins, and holes are 
loose or worn.
4.
Replace linkage bolts, pins, and re-bush any worn 
pin holes.
5.
Leadscrew or leadscrew nut worn.
5.
Replace leadscrew or leadscrew nut.
Cuts are not square 
or the intended 
angle is incorrect.
1
Pointer or scale not calibrated or 
loose table.
1
Zero table to blade and realign scale pointers (see 
Page 41). Tighten any loose fasteners.
2.
Table guide post is loose or out of 
alignment.
2.
Tighten any loose hardware or lock levers. Align the 
guide post (see Page 42).
Symptom
Possible Cause
Possible Solution
Machine or blade 
bogs down in the 
cut.
1
Excessive load on the blade.
1
Reduce feed rate or increase blade speed (see Page 
29).
2.
V-belts loose; belt squeals at times.
2.
Tighten V-belts(see Page 39).
3.
V-belts worn and slips.
3.
Replace V-belts (see Page 39).
4.
Blade is loading up.
4.
Install a blade with more suitable TPI or different 
style of teeth.
5.
Blade is dull, wanders, and gets 
pinched in the cut.
5.
Replace blade, adjust guides and tracking (see 
Page 41).
6.
Blade is dull.
6.
Replace blade (see Page 27).
7.
The blade TPI is too coarse for the 
thin workpiece.
7.
Use a blade with at least 2 teeth contacting the 
material at all times.
8.
Blade is loose.
8.
Clean wheels and increase blade tension (see Page 
27
).
9.
Material requires cutting fluid.
9.
Use applicable cutting fluid.
10.
The run capacitor is at fault 
(SB1040 only).
10.
Replace the run capacitor (see Wiring on Page 48).
Ticking sound 
when the saw is 
running.
1
Blade weld contacting blade guides.
1
Grind blade weld down smaller.
2.
Blade weld may be failing.
2.
Cut and reweld the blade, or replace the blade.
Blade dulls 
prematurely, or 
metal sticking to 
the blade.
1
Blade is improperly broken in.
1
Replace blade, and complete blade break in 
procedure.
2.
The blade gullets are loading up 
with chips.
2.
Use a blade that has larger gullets to carry out 
material.
3.
The blade TPI is too fine for the 
thick workpiece, and the teeth load 
up and overheat.
3.
Use a coarser-tooth blade, adjust feed rate, adjust 
blade speed, make sure the brush is working.
4.
The workpiece has hard spots, 
welds, or scale.
4.
Replace the blade with a special blade for cutting 
hardened materials.