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4) Excessive
1. Steel swarf or dirt under cutter.
cutter
2. Incorrectly re-sharpened or worn
breakage
3. Cutter skipping.
4. Slide needs adjustment.
5. Cutter not attached tightly to
6. Insufficient use of cutting oil or
7. Incorrect speed
5) Excessive
1. See cause and remedy above
cutter wear
2. Incorrectly re-sharpened cutter.
3. Insufficient or spasmodic cutting
14) TROUBLESHOOTING
Magnet and motor do not function
Magnet does function, the motor
does not
cutter.
arbor.
unsuitable type of oil.
pressure.
-Damaged or defective wiring
- Defective fuse
- Defective control unit
- Defective power supply
- Damaged or defective wiring
- Carbon brushes are stuck or worn out
- Defective on / off switch
- Defective control unit
- Defective armature and/or field
- Defective protective reed switch
1. Remove cutter, clean part thoroughly and
replace.
2. Always have a new cutter on hand to refer
to for correct tooth geometry, together with
instruction sheet.
3. See causes and remedies (2).
4. Tighten grub screws supporting the slide.
5. Retighten.
6. Inject oil of light viscosity into the coolant-
inducing ring and check that oil is being
metered into cutter when pilot is depressed.
If not, check pilot groove and arbor
internally for dirt or apply oil externally.
(Even a small amount of oil is very
effective).
7. Ensure correct gear is used for the cutter.
1. Refer to instructions
2. A new cutter for proper tooth geometry.
3. Use sufficient steady pressure to slow the
drill down. This will result in optimum
cutting speed and chip load.
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