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English ▪ 25
INSTRUCTION MANUAL - TRANSLATION OF THE ORIGINAL INSTRUCTIONS
12.
Troubleshooting
FAULT
CAUSE
INTERVENTION
The motors do not start
▪
No power supply voltage.
▪
Disconnecting devices are “OFF”.
▪
One or more emergency/safety
systems enabled.
▪
Fuse tripped or faulty circuit breakers.
▪
Buttons not working.
▪
Check and restore power supply.
▪
Turn the disconnecting devices “ON”.
▪
Reset the emergency systems and
check their efficiency.
▪
Replace the tripped fuses and check
the condition of the circuit breakers.
▪
Check efficiency of the START
buttons.
Noisy operation
▪
Incorrect belt tensioning.
▪
Dry shaft.
▪
Loose chuck pulley.
▪
Loose motor pulley.
▪
Adjust tensioning.
▪
Lubricate the shaft.
▪
Check tightness of retaining nut on
pulley.
▪
Tighten locking screws in pulleys.
Drill bit burns
▪
Insufficient speed
▪
Chips not coming out of hole
▪
Blunt drill bit
▪
Feeding speed too slow
▪
Drill bit not lubricated
▪
Change speed.
▪
Extract drill bit frequently to clear
chips.
▪
Sharpen the drill bit.
▪
Increase feeding speed.
▪
Lubricate the drill bit.
Excessive vibrations
▪
Worn shaft bearings
▪
Drill bit not correctly installed in the
chuck
▪
Chuck not correctly assembled
▪
Replace bearings.
▪
Install drill bit correctly.
▪
Install the chuck correctly.
Sliding sleeve returns too
slow or too fast
▪
Spring is not tensioned correctly
▪
Adjust spring tension.
Chuck will not stay attached
to shaft and falls off when
trying to install it
▪
Dirt or oil on the tapered inside surface
of chuck or shaft
▪
Use a household detergent to clean
the tapered surfaces of the chuck and
shaft to remove all dirt, grease and oil.
Summary of Contents for DP 12-941
Page 8: ...8 italiano DP 12 941 DP 12 943 11 12 13 14 6 3 2 Assemblaggio DP 12 943 1 2 3 4 5...
Page 20: ...20 English DP 12 941 DP 12 943 11 12 13 14 6 3 2 Installing the DP 12 943 1 2 3 4 5...
Page 32: ...32 deutsch DP 12 941 DP 12 943 11 12 13 14 6 3 2 Zusammenbau DP 12 943 1 2 3 4 5...
Page 44: ...44 fran ais DP 12 941 DP 12 943 11 12 13 14 6 3 2 Assemblage DP 12 943 1 2 3 4 5...
Page 56: ...56 espa ol DP 12 941 DP 12 943 11 12 13 14 6 3 2 Montaje DP 12 943 1 2 3 4 5...
Page 68: ...68 portugu s DP 12 941 DP 12 943 11 12 13 14 6 3 2 Montagem DP 12 943 1 2 3 4 5...
Page 80: ...80 Nederlands DP 12 941 DP 12 943 11 12 13 14 6 3 2 Montage DP 12 943 1 2 3 4 5...
Page 92: ...92 suomi DP 12 941 DP 12 943 11 12 13 14 6 3 2 Kokoaminen DP 12 943 1 2 3 4 5...
Page 104: ...104 Dansk DP 12 941 DP 12 943 11 12 13 14 6 3 2 Montage DP 12 943 1 2 3 4 5...
Page 116: ...116 svenska DP 12 941 DP 12 943 11 12 13 14 6 3 2 Montering DP 12 943 1 2 3 4 5...
Page 128: ...128 norsk DP 12 941 DP 12 943 11 12 13 14 6 3 2 Montering DP 12 943 1 2 3 4 5...
Page 140: ...140 w oski DP 12 941 DP 12 943 11 12 13 14 6 3 2 Monta DP 12 943 1 2 3 4 5...
Page 151: ...151 6 3 6 3 1 o DP 12 941 1 2 3 4 5 6 7 8 9 10...
Page 152: ...152 DP 12 941 DP 12 943 11 12 13 14 6 3 2 DP 12 943 1 2 3 4 5...
Page 153: ...153 6 7 8 9 10 11 12 6 4 A A A...
Page 154: ...154 DP 12 941 DP 12 943 6 5 6 5 1 7 7 7 1 8 8 1 A DP 12 941 DP 12 943 A...
Page 155: ...155 9 9 1 1 9 2 9 2 1 1 2 9 2 2 DP 12 941 12 230 2470 DP 12 943 12 180 2740...
Page 157: ...157 12...
Page 160: ...160 DP 12 943...
Page 163: ...163 Label dimensions FAC SIMILE...
Page 164: ......