Environmental Protection; Available Accessories; Troubleshooting - Promac SX-818DV Operating Instructions Manual

9. Environmental protection

Protect the environment.
Your appliance contains valuable materials which can be recovered or recycled. Please leave it at a specialized institution.

10. Available accessories

Refer to the JET-Pricelist for various saw blades.

11. Troubleshooting

This chapter lists the probable faults and malfunctions that could occur while the machine is being used and suggests possible
remedies for solving them.
Problem
Machine cannot be activated
Excessive band breakage
Premature saw band teeth
-blunting
Damage to side of saw band
PROBABLE CAUSE
1. Power cable is not connected, the power
indicator light on the operating panel is not
lit
2. Motor cannot be started, Power is cut off
by limit switch
3. Function button cannot be used in a
normal way
1. Materials come loose in vice
2. Wrong speed or feed
3. Spacing of band teeth too large
4. Material too coarse
5. Wrong band tension
6. Teeth in contact with material prior to
initial operation of saw
7. Saw band rubs against wheel flange
8. Wrongly aligned band guide bearings
9. Saw band too thick
10. Weld joint open
1. Teeth too coarse
2. Speed too high
3. Insufficient feed pressure
4. Hard points on material
5. Strain hardening of material
6. Twisting of band
7. Insufficient band tension
8. Slipping of band
1. Band guide worn
2. Band guides not adjusted properly
3. Band guide bearing bracket is loose
REMEDY
1. Check motor specifications; connect mains
cable to the right power source. Ensure
that the indicator light is lit.
2. Ensure that the cover is in the right
position
3. Press the emergency button and move into
the start position. Then release the
emergency button.
1. Fix workpiece firmly in place
2. Adjust speed or feed
3. Replace with a band with smaller teeth
spacing
4. Use a saw band with lower speed and
smaller teeth spacing
5. Adjust correct band tension
6. Place saw band on workpiece after
initial operation of the motor
7. Adjust wheel alignment
8. Adjust band guides
9. Use thinner band (0.9 mm)
10. Send in saw band to supplier for check
1. Use finer teeth
2. Reduce speed
3. Reduce spring tension on the side of the
saw
4. Reduce speed, increase feed pressure
5. Increase feed by reducing spring tension
6. Replace with a new band and adjust
band tension to suit
7. Adjust saw band tension correctly
8. Increase band tension
1. Replace
2. Adjust as per operating instructions
3. Tighten