Safety Instructions; Troubleshooting - KOBE DPB500 Operator's Manual

KBE-271-2110K_Instructions.qxd 09/06/2009
KOBE

SAFETY INSTRUCTIONS

I N D U S T R I A L
POWER TOOLS
You have purchased a quality professional product that is
designed for high performance and long service life.
If correct use, safety and maintenance procedures
are observed this machine will last for many years.
SYMBOLS USED ON THE PILLAR DRILL
Laser beam
Warning
warning
KOBE INDUSTRIAL POWER TOOLS
SAFELY and EFFICIENTLY. Your care and good judgement are the best protection against injury, but
always ensure that the appropriate safety equipment is worn. All possible hazards cannot be covered here,
but the most important ones have been highlighted.
Always adhere to the processes and safety
warnings, which are stated in the instruction
manual.
MOVING & MANUAL HANDLING
This Pillar Drill weighs 39.5Kg and must be lifted
mechanically or by a minimum of 2 persons
GENERAL OPERATING HAZARDS
Always ensure the mains power supply
corresponds to the power rating on the
specification label on the machine.
Always plug the pillar drill into an appropriate
outlet that is properly installed and grounded in
accordance with all local codes and ordinances.
Check with a qualified electrician if you are in
doubt as to whether the outlet is properly
grounded.
Always disconnect from the electrical power
supply and ensure that the chuck has stopped
rotating before cleaning or carrying out user
maintenance.
Always ensure the maintenance of electrical
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Read the operator's Always wear the appropriate
manual personal protection
have been specifically designed to help you work
components is carried out by a suitably qualified
person.
Never allow routine to lead to mistakes.
Never operate if any parts are missing or
damaged.
Never allow untrained persons to operate the
pillar drill.
Never touch the metal plug pins when connecting
or removing the electrical plug.
WORKPLACE HAZARDS
Always keep the electric cable away from heat
and sharp edges.
Always keep children or pets away from the pillar
drill, electric cable or the work area.
Always use a RCD (Residual Current Device) to
provide protection against electric shock.
Always ensure all users are physically able and
competent to handle the size and weight of
items/components being drilled and have
received appropriate training to perform the task.
Never run the pillar drill in areas exposed to
water or in damp conditions.
Never direct jets of water or flammable liquids
over the pillar drill.
KOBE

TROUBLESHOOTING

I N D U S T R I A L
POWER TOOLS
Repairs must be performed in a dirt-free environment by a qualified person who is familiar
with this type of equipment. Make sure the machine is disconnected from the power supply
prior to carrying out any repair or maintenance work
FAULT POSSIBLE CAUSE
The drill will not start. 1. Faulty fuse.
2. The switch is faulty.
3. Faulty wiring.
4. Faulty motor.
Drive spindle does not 1. ' V' belt defective.
turn. 2. ' V' belt too loose.
Screeching noise when 1. Loose drive belts.
drilling.
2. The spindle may be
running dry.
3. Loose pulleys.
The bit burns or smokes. 1. The drill may be blunt.
2. Incorrect speed.
3. Feeding too slow.
Bit runs off-centre. 1. Bit deformed.
2. Bearings worn down in
the drill head.
3. Bit badly fitted.
4. Drill chuck defective.
Excessive vibration when 1. Poorly fitting bit –
drilling. Check for straightness
or dirt on the bit or in
the chuck stopping it
from centring correctly
in the chuck.
2. Worn drive spindle
bearings.
Motor overheating and 1. Overloaded motor.
lack of power. 2. Insufficient mains
voltage.
Drill spindle and chuck 1. Quill spring not
does not return to starting working.
point.
SOLUTION
1. Replace the fuse with a new one of the
correct amp rating.
2. Have it tested by a qualified person and if
necessary replace with a new one.
3. This must be checked by a qualified person.
4. This must be checked by a qualified person.
1. Replace ' V' belt.
2. Re-tension as on page 12.
1. Check the tension (see page 12). If the
tension is OK, check the belts for wear and
replace if neccessary.
2. Lubricate with grease.
3. Tighten set screw in pulleys.
1. This may have been caused by overheating
due to too much pressure being applied or
not enough coolant being used. Sharpen or
replace the bit with a new one
2. Change speed - see Chart on page 13.
3. Feed fast enough to allow the bit to cut.
1. Replace bit.
2. Have the bearings in the drill head replaced.
3. Refit the drill bit the chuck.
4. Replace the chuck.
1. Remove and clean chuck and bit or replace
bit if damaged.
2. With the machine switched off, check for
play in the drive spindle. If there is
movement, the bearings must be removed,
inspected and replaced if neccessary by a
qualified person.
1. Disconnect immediately and have it
checked by an authorized repairer.
1. Adjust as detailed on page 10.
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