Hilti Corporation
FL-9494 Schaan
Tel.:+423/2342111
Fax: +423/2342965
www.hilti.com
Hilti = registered trademark of Hilti Corp., Schaan W 0000 0504 10-Pos.1 1 Printed in Liechtenstein © 2004
Right of technical and programme changes reserved S. E. & O.
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UH650
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Bedienungsanleitung de
Operating instructions en
1
en
It is essential that the operating instructions
are read before the tool is operated for the
first time.
Always keep these operating instructions
together with the tool.
Ensure that the operating instructions are
with the tool when it is given to other
persons.
UH 650 hammer drill
1. General information
1.1 Safety notices and their meaning
-CAUTION-
Draws attention to a potentially dangerous situation that
could lead to minor personal injury or damage to the
equipment or other property.
-NOTE-
Draws attention to instructions and other useful information.
1.2 Pictograms
Contents Page
1. General information 1
2. Description 2
3. Tools and accessories 2
4. Technical data 2
5. Safety precautions 3
6. Before use 6
7. Operation 6
8. Care and maintenance 8
9. Troubleshooting 9
10. Disposal 9
11. Warranty 10
12. EC declaration of conformity 10
Operating controls and parts
Chuck (quick-release chuck or key-type
chuck with key)
Side handle with depth gauge
Function selector switch
2-speed gear selector switch
Forwards/reverse switch
On/off switch with electronic speed control
Lockbutton for sustained operation
Supply cord
These numbers refer to the corresponding illustrations. The illustrations can be found on the fold-out cover
pages. Keep these pages open while studying the operating instructions.
In these operating instructions, the UH 650 is referred
to as "the tool".
Location of identification data on the tool
The type designation can be found on the rating plate
and the serial number on the side of the motor housing.
Make a note of this data in your operating instructions
and always refer to it when making an enquiry to your
Hilti representative or service department.
Type:
Serial No.:
Warning signs
Obligation signs
Wear ear
protection
Wear
protective
gloves
Wear
breathing
protection
Wear eye
protection
Read the
operating
instructions
before use.
Symbols
General
warning
Warning:
electricity
Warning:
hot surface
Wear a
hard hat
2
en
2. Description
2.1 Use of the tool as intended
The tool is a hand-held, electric mains-powered hammer drill for hammer drilling and rotary drilling.
The working environment may be on a construction site
of any kind and the tool may be used for renovation,
conversion or new building work.
The table below lists the tool's drilling diameter ranges
and possible applications:
Use only the insert tools and accessories listed for use
with the tool.
Observe the information printed in the operating instructions concerning operation, care and maintenance. The
tool and its ancillary equipment may present hazards
when used incorrectly by untrained personnel or when
used not as directed.
2.2 Chuck
– Quick-release chuck or
– Key-type chuck with key
2.3 Switches
– On/off switch with electronic speed control
– Lockbutton for sustained operation
3. T ools and accessories
Chuck
Chuck
UH 650
Quick-release chuck
Key-type chuck with key
4. T echnical data
Electric tool
Rated power input
Rated voltage
Rated current
Mains frequency
Weight of tool
UH 650
620 W 650 W
110 V 230 V
6.0 A 3.0 A
50–60 Hz
2.3 kg with chuck and side handle
Rotary drilling in metal
Rotary drilling in softwood
Rotary drilling in hardwood
Hammer drilling in masonry
Hammer drilling in stone
Drill bits with cylindrical shank, 1.5–13 mm dia.
(1/16″–1/2″)
Twist drills up to 30 mm dia.(1
1
/8″)
Forstner drill bits up to 35 mm dia.(1
3
/8″)
Hole saws up to 68 mm dia.(2
1
/2″)
Twist drills up to 24 mm dia.(
7
/8″)
Forstner drill bits up to 25 mm dia.(1″)
Drill bits with cylindrical shanks, 3–16 mm dia.
(
1
/8″–5/8″)
Drill bits with cylindrical shanks, 3–8 mm dia.
(
1
/8″–3/8″)
The tool may be operated only when connected to a
power supply providing a voltage and frequency in compliance with the information given on its rating plate.
Changes or modifications to the tool are not permissible.
The tool may be used only in a dry environment.
Do not use the tool where there is a risk of fire or explosion.
– Function selector switch
– 2-speed gear selector switch
– Forwards/reverse switch
2.4 Grip
– Adjustable (pivoting) side handle with depth gauge
– Vibration-absorbing grip
2.5 Items supplied as standard
– The electric tool
– Side handle
– Depth gauge
– Dust shield
– Chuck (quick-release chuck or key-type chuck)
– Operating instructions
–Toolbox or cardboard box (depending on version)
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Dimensions (LxWxH)
Speed under no load
Hammering speed
Chuck
Max. torque
Speed control
Forwards/reverse
Double insulated (as per EN 50144/
IEC 60745)
Interference immunity
Radio and television interference
suppression
Noise and vibration information
(measured in accordance
with EN 50144):
Typical A-weighted sound
power level (LwA):
Typical A-weighted sound
pressure level (LpA):
Wear ear protection!
Typical weighted vibration at the grips
The tool is available in a number of versions with various voltage ratings. Please refer to the rating plate for the voltage and current rating of your electric tool.
330x77x200 mm
1
st
gear 1000 r.p.m.
2ndgear 2900 r.p.m.
48.000/min.
1.5–13 mm dia.
1
st
gear 30 Nm
2ndgear 12 Nm
Electronic control switch (on/off switch)
Selector lever, interlock prevents switching when running
Protection class II Z
Vibration absorbing grip and side handle
As per EN 55014-2
As per EN 55014-1
109 dB (A)
96 dB (A)
11 m/s
2
Right of technical changes reserved!
5. Safety precautions
5.1 Basic information concerning safety
CAUTION: To avoid the risk of electric shock, injury or
fire, the basic safety precautions listed below must always
be observed when using electric tools.
In addition to the information relevant to safety given in
each of the sections of these operating instructions, the
following points must be strictly observed at all times.
5.2 Safety precautions at the workplace
● Ensure that the workplace is well lit.
● Ensure that the workplace is well ventilated.
● Keep the workplace tidy. Objects which could cause
injury should be removed from the working area.
Untidiness at the workplace can lead to accidents.
● Secure the working area (cordon off if necessary).
● Secure the workpiece. Use clamps or a vice to hold
the workpiece in place. The workpiece is thus held
more securely than by hand and both hands remain
free to operate the tool.
● Wear eye protection.
● Wear breathing protection if the work creates dust.
● Wear suitable working clothing. Do not wear loose
clothing, loose long hair or jewelry as it can become
caught up in moving parts. Wear suitable headgear if
you have long hair.
● It is recommended that protective gloves and non-slip
shoes are worn when working outdoors.
● Keep children and other persons away from the work-
ing area.
● Do not allow other persons to tamper with the tool or
the supply cord.
● Avoid unfavorable body positions. Work from a secure
stance and stay in balance at all times.
● Connect the dust removal system. If the tool is pro-
4
vided with a means of removing and collecting dust,
check that this is connected correctly and used as
intended.
● To avoid tripping and falling when working, always
lead the supply cord, extension cord and dust extraction hose away to the rear.
● Concealed electric cables or gas and water pipes pre-
sent a serious hazard if damaged while you are working. Accordingly, check the area in which you are working beforehand (e.g. using a metal detector). External
metal parts of the tool may become live, for example,
when an electric cable is drilled into inadvertently.
5.3 General safety precautions
● Use the right tool for the job. Do not use the tool for
purposes for which it was not intended. Use the tool
only as directed and when it is in faultless condition.
● Avoid contact with rotating parts.
● Use only the original accessories or ancillary equip-
ment listed in the operating instructions. Use of accessories or items of ancillary equipment other than those
listed in the operating instructions may present a risk
of personal injury.
● Take the influences of the surrounding area into account.
Do not expose the tool to rain or snow and do not use
it in damp or wet conditions. Do not use the tool where
there is a risk of fire or explosion.
● Keep the grips clean, dry and free from oil and grease.
● Do not overload the tool. It will work more efficiently
and more safely within its intended performance range.
● Do not use damaged insert tools.
● Use only insert tools designed for the application on
hand.
● The side handle must be fitted at all times when the
tool is in use.
● Check that the side handle is securely attached.
● Always hold the tool securely with both hands on the
grips provided.
● When not in use, the tool must be stored in a dry place,
locked up or out of reach of children.
● Avoid unintentional starting. Never keep a finger on
the on/off switch when carrying the tool when it is
connected to the electric supply. Check that the on/off
switch is in the "off" position before plugging the supply cord into the electric socket.
● Unplug the tool when it is not in use (e.g. during pauses
between work), before maintenance and before changing insert tools.
● Switch the tool off before transporting it.
● Take care of your insert tools. You will be able to work
more efficiently and more safely if the insert tools are
kept sharp and clean. Observe the instructions concerning lubrication and changing insert tools.
● Check that moving parts function correctly without
sticking and that no parts are damaged. All parts must
be fitted correctly and fulfill all conditions necessary
for correct operation of the tool.
● Check the tool for possible damage. Protective devices
and any parts that may have suffered slight damage
should be checked for correct operation and functionality before further use. Damaged safety devices
or other damaged parts must be replaced or repaired
properly by an authorized repair workshop unless otherwise indicated in the operating instructions.
5.3.1 Mechanical hazards
● Observe the instructions concerning care and main-
tenance.
● Ensure that the insert tools used are equipped with
the appropriate connection end system and that they
are properly fitted and secured in the chuck.
● Do not leave the key in place on the chuck. Check that
the chuck key and wrenches etc. have been removed
before switching on the tool.
● Wear protective gloves when handling sharp insert
tools in order to avoid cutting your hands or fingers.
● Wear protective gloves when manipulating the side
handle and depth gauge in order to avoid injury (e.g.
pinching the fingers).
5.3.2 Electrical hazards
● Protect yourself against electric shock. Avoid body
contact with earthed/grounded objects, e.g. pipes,
radiators, cookers and fridges.
● Check the condition of the supply cord and its plug
connections and have it replaced by a qualified electrician if damage is found. Check the condition of the
extension cord and replace it if damage is found.
● Check the condition of the tool and its accessories.
Do not operate the tool or its accessories if damage
is found, if the tool is incomplete or if its controls cannot be operated faultlessly.
● Do not touch the supply cord in the event of it suffer-
ing damage while working. Disconnect the supply cord
plug from the socket.
● Damaged or faulty switches must be replaced at a Hilti
service center. Do not use the tool if its switch is inoperative.
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● Have the tool repaired only by a trained electrical spe-
cialist (Hilti service center) using original Hilti spare
parts. Failure to observe this point may result in risk
of accident to the user.
● Do not use the supply cord for purposes for which it
is not intended. Never carry the tool by the supply cord
and never pull the plug out of the socket by pulling
the supply cord.
● Do not expose the supply cord to heat, oil or sharp
edges.
● When working outdoors, use only extension cords
that are approved and correspondingly marked for
this type of use.
● In the event of a power failure, switch the tool off and
unplug the supply cord.
● Avoid using extension cords with multiple sockets
and the simultaneous use of several tools connected
to one extension cord.
● Never operate the tool when it is dirty or wet. Dust
(especially dust from conductive materials) or dampness adhering to the surface of the tool may, under
unfavorable conditions, present a risk of electric shock.
Dirty or dusty electric tools should thus be checked
at a Hilti service center at regular intervals, especially
if used frequently for working on conductive materials.
5.3.3 Thermal hazards
● The insert tool may become hot during use. Wear pro-
tective gloves when changing insert tools.
5.3.4 Dust
● Breathing protection must be worn when the tool is
used without a dust removal system for work that creates dust.
● Working on materials containing asbestos is not per-
missible.
5.4 Requirements to be met by users
● The tool is intended for professional use.
● The tool may be operated, serviced and repaired only
by authorized, trained personnel. This personnel must
be informed of any special hazards that may be encountered.
Warning:
hot surface
Wear
protective
gloves
● Always concentrate on the job you are doing. Proceed
carefully and do not use the tool if your full attention
is not on the job.
5.5 Personal protective equipment
The user and any other persons in the vicinity must wear
suitable eye protection, a hard hat, ear protection and
protective gloves when the tool is in use. Breathing protection must be worn if no dust removal system is used.
Wear ear
protection
Wear
protective
gloves
Wear
breathing
protection
Wear eye
protection
Wear a
hard hat
Wear
breathing
protection
7.2.1 Quick-release chuck
-NOTE-
Unplug the supply cord from the mains socket.
Opening the quick-release chuck
-NOTE-
It may be necessary to rotate the chuck and spindle half
a turn until the automatic spindle lock engages.
1.Grip the chuck sleeve.
2.Turn the chuck sleeve away from "CLOSE" (the locking mechanism will first automatically release).
3.Keep turning the chuck sleeve until the insert tool is
released.
Opening the quick-release chuck when tightened excessively
-NOTE-
It may be necessary to rotate the chuck and spindle half
a turn until the automatic spindle lock engages.
1.Grip the hexagonal section of the chuck securely with
a 17 mm AF ring wrench or open end wrench.
2.Turn the chuck sleeve away from "CLOSE" (the locking mechanism will first automatically release).
3.Keep turning the chuck sleeve until the insert tool is
released.
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6. Before use
6.1 Fitting the side handle
1.Release the side handle clamping band by turning the
handle in a counter-clockwise direction.
2.Fit the side handle clamping band over the chuck and
onto the cylindrical section at the front end of the tool.
3.Pivot the side handle into the desired position.
4.Secure the side handle by turning the handle in a clockwise direction.
7. Operation
The mains voltage must correspond to the information
printed on the rating plate on the tool.
Never use the tool without the side handle.
Use a vice or clamp to secure loose workpieces.
7.1 Preparing the tool for use
-NOTE-
Unplug the supply cord from the mains socket.
7.1.1 Adjusting the depth gauge
1.Release the side handle clamping mechanism by turning the handle in a counter-clockwise direction.
2.Pivot the side handle into the desired position.
3.Adjust the depth gauge to the desired drilling depth.
4.Tighten the side handle securely by turning the handle in a clockwise direction.
7.2 Operation
-CAUTION-
● Drilling may cause splintering of
the material.
● Splinters may cause injury to parts
of the body and eyes.
● Wear eye protection, protective
gloves and breathing protection if
no dust removal system is used.
-CAUTION-
● The tool and the drilling operation
emit noise.
● Excessive noise may damage the
hearing.
● Wear ear protection.
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Closing the quick-release chuck
-NOTE-
It may be necessary to rotate the chuck and spindle half
a turn until the automatic spindle lock engages.
1.Fit the insert tool into the chuck.
2.Tighten the chuck by turning the chuck sleeve firmly
toward "CLOSE".
3.After the jaws of the chuck make contact with the insert
tool, continue to turn the chuck sleeve firmly toward
"CLOSE" until the chuck locking mechanism engages
automatically (indicated by a clearly audible "click,
click").
7.2.2 Key-type chuck
-NOTE-
Use the chuck key supplied for opening and closing the
chuck.
Unplug the supply cord from the mains socket.
Opening the key-type chuck
1.Insert the chuck key in one of the three holes provided
on the chuck.
2.To open the chuck, turn the key counterclockwise.
3.Remove the insert tool from the chuck.
4.Remove the chuck key.
Closing the key-type chuck
1.Open the chuck sufficiently to allow the shaft of the
insert tool to be inserted.
2.Fit the insert tool into the chuck.
3.Close the jaws of the chuck by turning the toothed
ring until the jaws grip the insert tool.
4.Insert the chuck key in one of the three holes provided
on the chuck.
5.Secure the insert tool in the chuck by turning the chuck
key clockwise.
6.Remove the chuck key.
7.2.3 2-speed gear selector switch
-NOTE-
Change gear only when rotation has stopped.
The mechanical 2-speed gear selector switch can be
used to set the desired speed range:
1
st
gear = 0 – 1000 r.p.m.
2ndgear = 0 – 2900 r.p.m.
7.2.4 Rotary drilling
-NOTE-
The forwards/reverse switch must be set to the "R" position.
1.Engage the function selector switch in the
position.
2.Adjust the side handle to the desired position and
check that it is fitted and secured correctly.
3.Plug the supply cord into the mains socket.
4.Position the tip of the drill bit at the point where the
hole is to be drilled.
5.Press the control switch (on/off switch) slowly. Begin
drilling at low speed, increasing speed only after the
drill bit has become centered in the hole.
6.Press the control switch (on/off switch) fully to continue drilling at full power.
7.2.5 Hammer drilling
-NOTE-
The forwards/reverse switch must be set to the "R" position.
1.Engage the function selector switch in the position.
2.Adjust the side handle to the desired position and
check that it is fitted and secured correctly.
3.Plug the supply cord into the mains socket.
4.Position the tip of the drill bit at the point where the
hole is to be drilled.
5.Press the control switch (on/off switch) slowly. Begin
drilling at low speed, increasing speed only after the
drill bit has become centered in the hole.
6.Press the control switch (on/off switch) fully to continue drilling at full power.
7.When drilling through-holes, avoid spalling by reducing drilling speed shortly before breaking through
(release the on/off switch slowly).
7.2.6 On/off switch with electronic speed control
The speed can be controlled by pressing the on/off switch
gradually until maximum speed is reached.
7.2.7 Lockbutton for sustained operation
The lockbutton is used to lock the on/off switch in the
"on" position: the motor then runs constantly (sustained
operating mode).
Activating sustained operating mode
1.Press the on/off switch and hold it in this position.
2.Press the lockbutton and hold it in this position.
3.Release the on/off switch.
4.Release the lockbutton.
Deactivating sustained operating mode
1.Press the on/off switch and then release it.
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7.2.8 Forwards/reverse rotation
The forwards/reverse switch can be used to select the
desired direction of rotation.
-NOTE-
An interlock prevents switching between forwards/reverse
while the motor is running.
The forwards/reverse switch must be set to the "R" position for hammer drilling and rotary drilling.
– Switch set to "R" = forwards rotation
position (R )
– Switch set to "L"
position = reverse rotation (L)
8. Care and maintenance
Unplug the supply cord from the mains socket.
8.1 Care of insert tools
Clean off dirt and dust deposits and protect your insert
tools from corrosion by wiping them with an oil-soaked
rag from time to time.
8.2 Changing the chuck
The quick-release chuck must be tightened to the specified torque of 40 Nm.
The key-type chuck must be tightened to the specified
torque of 40 Nm.
8.3 Care of the electric tool
The outer casing of the tool is made from impact-resistant plastic. Sections of the grip are made from a synthetic rubber material.
Never operate the tool when the ventilation slots are
blocked. Clean the ventilation slots carefully with a dry
brush. Do not permit foreign objects to enter the interior of the tool. Clean the outside of the tool at regular
intervals with a slightly damp cloth. Do not use a spray,
steam pressure cleaning equipment or running water
for cleaning. This may negatively affect the electrical
safety of the tool. Always keep the grip surfaces of the
tool free from oil and grease. Do not use cleaning agents
containing silicone.
8.4 Maintenance
Check all external parts of the tool for damage at regular intervals and check that all controls operate faultlessly. Do not operate the tool if parts are damaged or
when the controls do not function faultlessly. If necessary, your electric tool should be repaired at a Hilti repair
center.
Repairs to the electrical section of the tool may be carried out only by trained electrical specialists.
8.5 Checks after care and maintenance
After carrying out care and maintenance on the tool,
check that all protective equipment has been refitted and
that all parts function faultlessly (side handle, chuck
tightened to specified torque).
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9. T roubleshooting
Fault
The tool doesn't start.
No hammering action.
The tool does not achieve
full power.
The drill bit makes no
progress.
Possible cause
Fault in mains supply
Supply cord or plug defective
Control switch defective
The function selector switch is set to
rotary drilling.
The extension cord is too long or has
inadequate cross section
Control switch not fully pressed
The forwards/reverse switch is set to
reverse rotation.
The drill bit is blunt or damaged.
Remedy
Plug in another electric appliance and
check whether it works.
Have the cord checked and, if necessary,
replaced by an electrical specialist.
Have it checked and, if necessary,
replaced by an electrical specialist.
Set the function selector switch to hammer drilling.
Use a shorter extension cord or a cord
with adequate cross section.
Press the control switch as far as it will
go.
Set the switch to forwards rotation.
Regrind the drill bit tip or replace the drill
bit.
10. Disposal
Most of the materials from which Hilti electric tools are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements for taking
back your old electric tools for recycling. Please ask your Hilti customer service department or Hilti representative for further information.
Should you wish to return the electric tool yourself to a disposal facility for recycling, proceed as follows: Dismantle the electric tool as far as possible without the need for special tools. Use absorbent paper to wipe oily parts
clean and to collect any grease that runs out. This paper should also be disposed of correctly. On no account should
grease be allowed to enter the waste water system or to find its way into the ground.
The individual parts should be separated as follows:
Part/assembly Part/assembly Part/assembly
Toolbox Plastic Plastics recycling
Gear housing Plastic Plastics recycling
Bearing plate Aluminium Scrap metal
Grip, side handle Plastic Plastics recycling
Motor housing Plastic Plastics recycling
Fan Plastic Plastics recycling
Motor (rotor and stator) Steel and copper Scrap metal
Supply cord Copper, synthetic rubber Scrap metal
Gearing parts Steel Scrap metal
Screws, small parts Steel Scrap metal
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11. Warranty
Hilti warrants that the product supplied is free of defects
in material and workmanship. This warranty is valid as
long as the product is operated and handled correctly,
cleaned and serviced properly and in accordance with
the Hilti operating instructions, all warranty claims are
made within 12 months (unless other mandatory national
regulations prescribe a longer minimum period) from
the date of sale (invoice date) and the technical system
is maintained, i.e. only original Hilti consumables, accessories and spare parts are used with the product.
This warranty provides the free-of-charge repair or replacement of defective parts only. Parts requiring repair or
replacement as a result of normal wear and tear are not
covered by this warranty.
Additional claims are excluded, unless mandatory
national regulations prohibit such exclusion. In particular, Hilti is not obligated for direct, indirect, incidental or consequential damages, losses or expenses
in connection with, or by reason of, the use of, or inability to use the product for any purpose. Implied warranties of merchantability or fitness for a particular
purpose are specifically excluded.
Send the product and/or related parts immediately upon
discovery of a defect to the local Hilti marketing organization for repair or replacement.
This constitutes Hilti's entire obligation with regard to
warranty and supersedes all prior or contemporaneous
comments and oral or written agreements concerning
warranties.
12. EC declaration of conformity
We declare, on our sole responsibility, that this product
complies with the following standards or standardization documents: 89/336/EEC, 98/37/EC, EN 50144-1,
EN 50144-2-1, EN 55014-1, EN 55014-2, EN 61000-3-2,
EN 61000-3-3
Designation: Hammer drill
Type: UH 650
Year of design: 2003
Hilti Corporation
Dr. Heinz-Joachim Schneider Dr. Andreas Bong
Executive Vice President Senior Vice President
Business Area Electric Tools & Accessories Business Unit Power Tools
02/2004 02/2004
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