Mittler Bros Machine & Tool 400-VSUADJ - Manual (Page 24)

- 24 -
TROUBLESHOOTING
PROBLEM: CAUSE / SOLUTION:
Machine does not turn on.
1. Check plug & power cord.
2. Check circuit breaker and panel.
3. Check machine switch / switches.
4. Check fuses in speed control box.
( VS only )
Machine stops working.
1. Machine overload or power cord.
2. Check plug & power cord.
3. Check circuit breaker and panel.
4. Check machine switch / switches.
5. Check fuses in speed control box.
( VS only )
“HOOKING” .Top of tube gets caught by cutter & bent
down.
1. Slow hand wheel feed speed.
2. Go to “HIGH HELIX” cutter if available.
3. Tubing sticking out of vise to far on cutter side.
4. Speed up cutter speed.
( VS only )
5. Use a cutter with more flutes.
Hand wheel is hard to turn
1. Cutter is dull, send in for resharpening or
replace.
2. Gibs are adjusted too tight. Adjust according to
manual.
Excessive Chattering or Vibration of Vise assembly.
1. Tubing sticking out of vise to far on cutter side.
2. Gibs are loose. Adjust according to manual.
3. Hand wheel screw shafts are worn. Replace
with kit # 400-300 Both sets, #400-301 In / Out,
#400-302 Left / Right.
“CLICKING” sound when motor is running but not
cutting.
1. Check the Love Joy shaft connector between
gear box and spindle assembly. Replace if
“spider” excessively worn, #400-509.
Excessive spindle “wobble” or run-out.
1. Spindle nut on gear-box end is loose, tighten.
2. Spindle nut lock washer tang is broken off,
replace lock washer.
3. Bearings are worn. Call factory for set-up
procedure.
If the items above do not solve your problems please call the factory for further support, 1-800-467-2464.