Trouble Shooting - Promac SX-824DG Mode D'emploi

10. TROUBLE SHOOTING

Symptom
Machine can not be
started
Excessive Blade
Breakage
Premature Blade Dulling
Unusual Wear on
Side/Back of Blade
Teeth Ripping from
Blade.
Motor running too hot
Bad Cuts (Crooked)
Possible Cause(s)
1. Power is not plugged; the
power light on control panel
is not on.
2. Motor cannot be started;
power was cut by limit
switch.
3. Operation button cannot be
normally operated.
1. Materials loosen in vise.
2. Incorrect speed or feed
3.Blade teeth spacing too large
4.Material too coarse
5.Incorrect blade tension
6.Teeth in contact with material
before saw is started
7. Blade rubs on wheel flange
8. Miss-aligned guide bearings
9. Blade too thick 10.Cracking
at weld
1. Teeth too coarse
2. Too much speed
3. Inadequate feed pressure
4.Hard spots or scale on
material
5. Work hardening of material.
6.Blade twist
7. Insufficient blade
8. Blade slide
1. Blade guides worn.
2. Blade guide bearings not
adjust properly
3. Blade guide bearing bracket
is loose
1. Tooth too coarse for work
2. Too heavy pressure; too
slow speed.
3. Vibrating work-piece.
4. Gullets loading
1. Blade tension too high.
2. Drive belt tension too high.
3. Blade is too coarse for work
4. Blade is too fine for work
5. Gears aligned improperly
6. Gears need lubrication
7. Cut is binding blade
1. Feed pressure too great.
2. Guide bearings not adjusted
properly
3. Inadequate blade tension.
4. Dull blade.
5. Speed incorrect.
6. Blade guides spaced out too
much
En 13 / 56
Corrective Action
1. Check the motor specification; connect
the power with correct power supply.
Make sure the power light in on.
2. Make sure the cover is in correct position.
3. Push the emergency button; return it to
original position. Then release the
emergency button.
1. Clamp work securely
2. Adjust speed or feed
3. Replace with a small teeth spacing blade
4. Use a blade of slow speed and small
teeth spacing
5. Adjust to where blade just does not slip
on wheel
6. Place blade in contact with work after
motor is starred
7. Adjust wheel alignment
8. Adjust guide bearings
9. Use thinner blade
10. Weld again, beware the welding skill.
1. Use finer teeth
2. Decrease speed
3. Decrease spring tension on side of saw
4. Reduce speed, increase feed pressure
5. Increase feed pressure by reducing
spring tension
6. Replace with a new blade, and adjust
blade tension
7. Tighten blade tension adjustable knob
8. Tighten blade tension
1. Replace.
2. Adjust as per operators manual
3. Tighten.
1. Use finer tooth blade.
2. Decrease pressure, increase speed
3. Clamp work piece securely
4. Use coarser tooth blade or brush to
remove chips.
1. Reduce tension on blade.
2. Reduce tension on drive belt.
3. Use finer blade.
4. Use coarse blade.
5. Adjust gears so that worm is in center of
gear.
6. Check oil path.
7. Decrease reed anti speed
1. Reduce pressure by increasing spring
tension on side of saw
2. Adjust guide bearing, the clearance
cannot greater than 0.001.
3. Increase blade tension by adjust blade
tension
4. Replace blade
5. Adjust speed