Huvema HU 285 AC-4 TOPLINE, Manual

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13
CHANGES AND T YPING ERRORS RESERVED CHANGES AND T YPING ERRORS RESERVED
8.1 c
HIPs
Clean the chips by removing the chips tank A (Fig 16 )
Fig 16
Symptom Possible Cause(s) Corrective Action
Machine can not be
started
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. 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
Excessive Blade
Breakage
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. 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.
Premature Blade
Dulling
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. 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
Unusual Wear on Side/
Back of Blade
1. Blade guides worn.
2. Blade guide bearings not adjust
properly
3. Blade guide bearing bracket is
loose
1. Replace.
2. Adjust as per operators manual
3. Tighten.
Teeth Ripping from
Blade.
1. Tooth too coarse for work
2. Too heavy pressure; too slow
speed.
3. Vibrating work-piece.
4. Gullets loading
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.