Atlas Copco BG 240 E Maintenance and service guide

Safety and operating instructions
Trowel
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
BG 240 E

Contents
Introduction........................................................................5
About the Safety and operating instructions..........................................5
Safety instructions.................................................................6
Safety signal words..............................................................6
Personal precautions and qualifications...........................................6
Personal protective equipment...................................................6
Drugs, alcohol or medication....................................................6
Operation, precautions...........................................................6
Transport, precautions...........................................................9
Maintenance, precautions........................................................9
Storage, precautions.............................................................9
Overview.........................................................................10
Design and function............................................................10
Main parts.....................................................................10
Labels.........................................................................10
Dataplate....................................................................10
Noise level label..............................................................10
Liftingpointlabel..............................................................10
Safety label..................................................................11
Safety label..................................................................11
Transport.........................................................................11
Lifting the machine.............................................................11
Installation........................................................................12
Fitting and removing the trowel blades...........................................12
Operation.........................................................................12
Operating near edges...........................................................13
Start and stop..................................................................13
Before starting................................................................13
Starting the motor.............................................................13
Stopping the motor............................................................13
Operating......................................................................13
Manoeuvring the trowel........................................................13
Adjusting the blade angle......................................................14
When taking a break............................................................15
Maintenance......................................................................15
Every 10 hours of operation (daily)...............................................15
After the first 20 hours of operation..............................................15
Every 200 hours of operation (monthly)..........................................16
Checking the V-belt...........................................................16
Every 500 hours of operation (yearly)............................................16
Cleaning the blade shaft.......................................................16
Cleaning the pressure plate....................................................17
Troubleshooting...................................................................17
Storage...........................................................................18
Disposal..........................................................................18
Technical data.....................................................................19
3© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
ContentsBG 240 E

Machine data...................................................................19
Weights........................................................................19
Weights and dimensions for options.............................................19
Noise and vibration declaration statement........................................19
Noise and vibration data........................................................20
Uncertainties, sound value......................................................20
Dimensions....................................................................21
EC Declaration of Conformity......................................................22
EC Declaration of Conformity (EC Directive 2006/42/EC)...........................22
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
4
BG 240 EContents

Introduction
Thank you for choosing a product from Atlas Copco. Since 1873, we have been
committed to finding new and better ways of fulfilling our customers' needs.
Through the years, we have developed innovative and ergonomic product
designs that have helped customers improve and rationalize their daily work.
Atlas Copco has a strong global sales and service network, consisting of
customer centers and distributors worldwide. Our experts are highly trained
professionals with extensive product knowledge and application experience.
In all corners of the world, we can offer product support and expertise to ensure
that our customers can work at maximum efficiency at all times.
For more information please visit: www.atlascopco.com
Construction Tools EOOD
7000 Rousse
Bulgaria
About the Safety and operating
instructions
The aim of the instructions is to provide you with knowledge of how to use the
machine in an efficient, safe way. The instructions also give you advice and
tell you how to perform regular maintenance on the machine.
Before using the machine for the first time you must read these instructions
carefully and understand all of them.
5© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

Safety instructions
To reduce the risk of serious injury or death to
yourself or others, read and understand the Safety
and operating instruction before installing, operating,
repairing, maintaining, or changing accessories on
the machine.
Post this Safety and operating instruction at work
locations, provide copies to employees, and make
sure that everyone reads the Safety and operating
instruction before operating or servicing the machine.
For professional use only.
In addition, the operator or the operator's employer
must assess the specific risks that may be present
as a result of each use of the machine.
Additional instructions for the engine can be found
in the manufacturer's engine manual.
Safety signal words
The safety signal words Danger, Warning and
Caution have the following meanings:
Indicates a hazardous situation
which, if not avoided, will result
in death or serious injury.
DANGER
Indicates a hazardous situation
which, if not avoided, could
result in death or serious injury.
WARNING
Indicates a hazardous situation
which, if not avoided, could
result in minor or moderate
injury.
CAUTION
Personal precautions and
qualifications
Only qualified and trained persons may operate or
maintain the machine. They must be physically able
to handle the bulk, weight, and power of the machine.
Always use your common sense and good
judgement.
Personal protective equipment
Always use approved protective equipment.
Operators and all other persons in the working area
must wear protective equipment, including at a
minimum:
●Protective helmet
●Hearing protection
●Impact resistant eye protection with side protection
●Respiratory protection when appropriate
●Protective gloves
●Proper protective boots
●Appropriate work overall or similar clothing (not
loose-fitting) that covers your arms and legs.
Drugs, alcohol or medication
WARNING Drugs, alcohol or medication
Drugs, alcohol or medication may impair your
judgment and powers of concentration. Poor
reactions and incorrect assessments can lead to
severe accidents or death.
►Never use the machine when you are tired or
under the influence of drugs, alcohol or
medication.
►No person who is under the influence of drugs,
alcohol or medication may operate the machine.
Operation, precautions
DANGER Explosion hazard
If a warm machine or exhaust pipe comes into
contact with explosives, an explosion could occur.
During operating with certain materials, sparks and
ignition can occur. Explosions will lead to severe
injuries or death.
►Never operate the machine in any explosive
environment.
►Never use the machine near flammable materials,
fumes or dust.
►Make sure that there are no undetected sources
of gas or explosives.
►Avoid contact with the warm exhaust pipe or the
bottom of the machine.
DANGER Fire hazard
If a fire starts in the machine, it can cause injury.
►If possible use an ABE-class powder extinguisher,
otherwise use a BE-type carbon dioxide fire
extinguisher.
WARNING Unexpected movements
The machine is exposed to heavy strains during
operation. If the machine breaks or gets stuck, there
may be sudden and unexpected movement that can
cause injuries.
►Always inspect the machine prior to use. Never
use the machine if you suspect that it is damaged.
►Make sure that the handle is clean and free of
grease and oil.
►Keep your feet away from the machine.
►Never sit on the machine.
►Never strike or abuse the machine.
►Pay attention and look at what you are doing.
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
6
BG 240 ESafety and operating instructions

WARNING Dust and fume hazard
Dusts and/or fumes generated or dispersed when
using the machine may cause serious and permanent
respiratory disease, illness, or other bodily injury (for
example, silicosis or other irreversible lung disease
that can be fatal, cancer, birth defects, and/or skin
inflammation).
Some dusts and fumes created by compaction work
contain substances known to the State of California
and other authorities to cause respiratory disease,
cancer, birth defects, or other reproductive harm.
Some examples of such substances are:
●Crystalline silica, cement, and other masonry
products.
●Arsenic and chromium from chemically-treated
rubber.
●Lead from lead-based paints.
Dust and fumes in the air can be invisible to the
naked eye, so do not rely on eye sight to determine
if there is dust or fumes are the air.
To reduce the risk of exposure to dust and fumes,
do all of the following:
►Perform site-specific risk assessment. The risk
assessment must include dust and fumes created
by the use of the machine and the potential for
disturbing existing dust.
►Use proper engineering controls to minimize the
amount of dust and fumes in the air and to
minimize build-up on equipment, surfaces,
clothing, and body parts. Examples of controls
include: exhaust ventilation and dust collection
systems, water sprays, and wet drilling. Control
dusts and fumes at the source where possible.
Make sure that controls are properly installed,
maintained and correctly used.
►Wear, maintain and correctly use respiratory
protection as instructed by your employer and as
required by occupational health and safety
regulations. The respiratory protection must be
effective for the type of substance at issue (and if
applicable, approved by relevant governmental
authority).
►Work in a well ventilated area.
►If the machine has an exhaust, direct the exhaust
so as to reduce disturbance of dust in a dust filled
environment.
►Operate and maintain the machine as
recommended in the operating and safety
instructions
►Wear washable or disposable protective clothes
at the worksite, and shower and change into clean
clothes before leaving the worksite to reduce
exposure of dust and fumes to yourself, other
persons, cars, homes, and other areas.
►Avoid eating, drinking, and using tobacco products
in areas where there is dust or fumes.
►Wash your hands and face thoroughly as soon as
possible upon leaving the exposure area, and
always before eating, drinking, using tobacco
products, or making contact with other persons.
►Comply with all applicable laws and regulations,
including occupational health and safety
regulations.
►Participate in air monitoring, medical examination
programs, and health and safety training programs
provided by your employer or trade organizations
and in accordance with occupational health and
safety regulations and recommendations. Consult
with physicians experienced in relevant
occupational medicine.
►Work with your employer and trade organization
to reduce dust and fume exposure at the worksite
and to reduce the risks. Effective health and safety
programs, policies and procedures for protecting
workers and others against harmful exposure to
dust and fumes must be established and
implemented based on advice from health and
safety experts. Consult with experts.
WARNING Projectiles
Failure of the work piece, of accessories, or even of
the machine itself may generate high velocity
projectiles. During operating, splinters or other
particles from the compacted material may become
projectiles and cause personal injury by striking the
operator or other persons. To reduce these risk:
►Use approved personal protective equipment and
safety helmet, including impact resistant eye
protection with side protection.
►Make sure that no unauthorised persons trespass
into the working zone.
►Keep the workplace free from foreign objects.
WARNING Rotating blades hazards
There is a risk of hands and feet getting caught by
the rotating blades when the machine is running.
This can cause personal injury.
►Never place your hands or feet inside the
protection ring when the machine is running.
7© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

WARNING Motion hazards
When using the machine to perform work-related
activities, you may experience discomfort in the
hands, arms, shoulders, neck, or other parts of the
body.
►Adopt a comfortable posture while maintaining
secure footing and avoiding awkward off-balanced
postures.
►Changing posture during extended tasks may help
avoid discomfort and fatigue.
►In case of persistent or recurring symptoms,
consult a qualified health professional.
WARNING Vibration hazards
Normal and proper use of the machine exposes the
operator to vibration. Regular and frequent exposure
to vibration may cause, contribute to, or aggravate
injury or disorders to the operator’s fingers, hands,
wrists, arms, shoulders and/or nerves and blood
supply or other body parts, including debilitating
and/or permanent injuries or disorders that may
develop gradually over periods of weeks, months, or
years. Such injuries or disorders may include damage
to the blood circulatory system, damage to the
nervous system, damage to joints, and possibly
damage to other body structures.
If numbness, persistent recurring discomfort, burning
sensation, stiffness, throbbing, tingling, pain,
clumsiness, weakened grip, whitening of the skin, or
other symptoms occur at any time, when operating
the machine or when not operating the machine, stop
operating the machine, tell your employer and seek
medical attention. Continued use of the machine after
the occurrence of any such symptom may increase
the risk of symptoms becoming more severe and/or
permanent.
Operate and maintain the machine as recommended
in these instructions, to prevent an unnecessary
increase in vibration.
The following may help to reduce exposure to
vibration for the operator:
►If the machine has vibration absorbing handles,
keep them in a central position, avoid pressing the
handles into the end stops.
►When the percussion mechanism is activated, the
only body contact with the machine you must have
are your hands on the handle or handles. Avoid
any other contact, for example supporting any part
of the body against the machine or leaning onto
the machine trying to increase the feed force.
►Make sure that the machine is well-maintained
and not worn out.
►Immediately stop working if the machine suddenly
starts to vibrate strongly. Before resuming the
work, find and remove the cause of the increased
vibrations.
►Participate in health surveillance or monitoring,
medical exams and training programs offered by
your employer and when required by law.
►When working in cold conditions wear warm
clothing and keep hands warm and dry.
See the ”Noise and vibration declaration statement”
for the machine, including the declared vibration
values. This information can be found at the end of
these Safety and operating instructions.
WARNING Trapping hazard
There is a risk of neck ware, hair, gloves, and clothes
getting dragged into or caught by rotating machine
parts. This may cause choking, scalping, lacerations,
or death. To reduce the risk:
►Never grab or touch a rotating machine part.
►Avoid wearing clothing, neck ware or gloves that
may get caught.
►Cover long hair with a hair net.
DANGER Electrical hazard
There is a risk of electrical shocks from electrically
powered machines which can lead to serious injuries
or death.
►Avoid body contact with grounded surfaces.
►Make sure that there are no concealed wires or
other sources of electricity in the working area.
►Always connect the machine to an earthed outlet
socket.
►Always check that the mains voltage corresponds
with that stated on the data plate on the machine.
WARNING Concealed object hazard
During operating, concealed wires and pipes
constitute a danger that can result in serious injury.
►Check the composition of the material before
operating.
►Watch out for concealed cables and pipes for
example electricity, telephone, water, gas, and
sewage lines.
►If the machine seems to have hit a concealed
object, switch off the machine immediately.
►Make sure that there is no danger before
continuing.
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
8
BG 240 ESafety and operating instructions

WARNING Involuntary start
Involuntary start of the machine may cause injury.
►Keep your hands away from the start and stop
device until you are ready to start the machine.
►Learn how the machine is switched off in the event
of an emergency.
DANGER Electrical cable hazard
There is a risk of electrical shocks if the electrical
cable is not treated correctly, this can lead to serious
injuries or death.
►Never carry the machine by holding the electrical
cable.
►Never pull out the plug by pulling the electrical
cable.
►Always make sure that the electrical cable is kept
away from water, oil and sharp edges. Make sure
the electrical cable is not pinched in doors, fences
or similar.
►Check that the electrical cable is intact and in good
condition.
►Never use the machine if the electrical cable is
damaged.
WARNING Noise hazard
High noise levels can cause permanent and disabling
hearing loss and other problems such as tinnitus
(ringing, buzzing, whistling, or humming in the ears).
To reduce risks and prevent an unnecessary increase
in noise levels:
►Risk assessment of these hazards and
implementation of appropriate controls is essential.
►Operate and maintain the machine as
recommended in these instructions.
►If the machine has a silencer, check that it is in
place and in good working condition.
►Always use hearing protection.
Transport, precautions
WARNING Loading and unloading hazard
When the machine is lifted by a crane and similar
appliance, this can lead to injury.
►Use marked lifting points.
►Make sure that all lifting devices are dimensioned
for the weight of the machine.
►Never remain under or in the immediate vicinity
of the machine.
Maintenance, precautions
WARNING Unexpected start hazard
During maintenance or when changing blades on
the machine, there is a risk that the motor
unexpectedly starts. This can result in serious
personal injury.
►Always switch off the power unit and pull out the
electrical cable.
WARNING Machine modification
Any machine modification may result in bodily injuries
to yourself or others.
►Never modify the machine. Modified machines are
not covered by warranty or product liability.
►Always use original parts and accessories
approved by Atlas Copco.
►Change damaged parts immediately.
►Replace worn components in good time.
CAUTION High temperature
The machine's bottom becomes hot during operation.
Touching it can lead to burns.
►Never touch a hot machine.
►Never touch the bottom of the machine when its
hot.
►Wait until the motor and bottom of the machine
have cooled down before carrying out
maintenance work.
Storage, precautions
♦Keep the machine in a safe place, out of the reach
of children and locked up.
9© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

Overview
To reduce the risk of serious injury or death to
yourself or others, read the Safety instructions
section found on the previous pages of this
manual before operating the machine.
Design and function
BG240 is intended to be used for professional
levelling and troweling of fresh concrete floors. It is
most suitable for work close to walls, edges and
narrow spaces. A rotating protection ring makes it
possible to work all the way into the wall without
leaving any marks or scratches on the wall. No other
use is permitted.
To choose the correct accessories, see the spare
parts list.
Main parts
A
B
C
D
E
F
G
H
I
J
K
A. Hold-to-run handle (Dead man's grip)
B. Blade adjustments quick pitch
C. Blade adjustments twist pitch
D. Locking lever
E. Electric motor
F. Lifting eye
G. Support/Lifting device
H. Protection ring
I. Start button
J. Electric box
K. Troweling blade
Labels
The machine is fitted with labels containing important
information about personal safety and machine
maintenance. The labels must be in such condition
that they are easy to read. New labels can be ordered
from the spare parts list.
Data plate
B
Type
xxxxx
Product identification
number: xxxxx Made in xxxxxx
Operating mass kg
xxxxx
AC
Rated power kW
xxxxx
Year of Mfg
xxxxx
Construction Tools EOOD
A. Machine type
B. Product Identification Number
C. The CE symbol means that the machine is
EC-approved. See the EC Declaration of
Conformity which is delivered with the machine
for more information.
Noise level label
WA
xxx
dB
The label indicates the guaranteed noise level
corresponding to EC-directive 2000/14/EC. See
"Technical data" for accurate noise level.
Lifting point label
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
10
BG 240 ESafety and operating instructions

Safety label
♦Use ear protectors
♦Instruction manual. The operator must read the
safety, operation and maintenance instructions
before operating the machine.
♦Hand and arm entanglement. Keep hands at a
safe distance from the danger zone.
♦Hot surfaces in the motor compartment. Keep
hands at a safe distance from the danger zone.
Safety label
SKIVA DEMONTERAS FÖRE KRANLYFT.
REMOVE DISC BEFORE CRANELIFT.
SCHEIBE ABMONTIEREN
VOR KRANHEBEN.
♦Remove disc before cranelift.
Transport
Lifting the machine
WARNING Lifting hazard
Never lift the machine without checking if it is intact.
A damaged machine can fall apart, which can result
in serious injury.
►Check that all equipment is dimensioned in
accordance with applicable regulations.
►Never walk or stand under a lifted machine.
►Always use the lifting eye for machine lift.
►Always remove the smoothing disc before lifting
the machine.
►Never use the protection ring as a lifting device.
►Never stand near the machine when lifting and
transporting.
►Check the machine's data plate for weight
information.
Lifting the machine
♦Always use the machine's lifting eye (A) to lift the
machine.
A
♦Lifting equipment must be dimensioned in order
to fulfil all regulations.
11© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

Lifting by hand
♦When lifting by hand use the operator handle (B)
and the lift handle and support bar (C) in the front
of the trowel. The lift handle has two lifting
positions for best comfort.
B
C
WARNING Transport
During transportation the machine can overturn and
cause serious injury.
►Always strap the machine down.
►Keep your feet away from the machine.
Transporting the machine
♦Secure the machine for all transportation.
♦Fold the upper handle to its lowest position during
transport.
Installation
Fitting and removing the trowel
blades
Whenever fitting or removing the trowel blades the
following instructions must be observed:
♦To prevent an accidental start: Release the start
button and pull out the electrical cable from the
power source.
♦Lubricate the blade shafts with recommended
grease (see "Machine data"), using the grease
nipples on the hub.
1. Lean the trowel forwards so it rests on the
support frame.
2. Loosen the screw (A) and remove the spider
assembly.
A
3. Loosen the screws (B) and change the blades
(C).
B
B
C
Operation
WARNING Engine running hazard
Vibrations from the engine can cause material
changes, this can cause the machine to move and
cause injuries.
►Never leave the machine with the engine running.
►Ensure that only authorized personnel operate the
machine.
NOTICE When operating the machine, follow the
instructions in the manual; never sit or stand on the
machine when it is working.
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
12
BG 240 ESafety and operating instructions

Operating near edges
WARNING Overturning hazard
When operating along edges, at least
2
⁄ 3 of the
machine must be on a surface with full bearing
strength, otherwise the machine can tip over.
►Switch off the machine and lift it back on surface
with full bearing strength.
2/3
Start and stop
Before starting
Follow the general safety precautions supplied with
the machine at delivery. We recommend that you
study the motor manual supplied with the machine.
Check that maintenance routines have been carried
out.
1. Check that the machine is connected to an
earthed outlet socket.
2. Make sure that the main voltage corresponds
with that stated on the data plate on the machine.
3. Check that all cables are intact and in good
condition.
4. Check that all the controls are working.
5. Make sure that there is no oil leakage, and that
all bolted joints are tightened.
Starting the motor
1. Connect the plug (A) to an extension cable. The
extension cable must be connected to 230 V, 10
A fuse.
A
BC
2. Hold the operating handle steady with one hand.
Pull the hold-to-run handle (B) until it stops
against the operating handle.
3. Push the start button (C) and grasp the operating
handle with the second hand.
Stopping the motor
1. Release the hold-to-run handle (A). The electric
motor stops immediately.
A
NOTICE Always pull out the feed cable if the
machine will not be used immediately.
Operating
NOTICE When using the floating disc, be aware of
the position of the blades. All four blades must be
inside the brackets on the floating disc. Also check
the centre position of the floating disc in relation to
the blade cross, to avoid any eccentricity during
rotation.
NOTICE Observe the concrete surface for loosened
stones during operation. A stone can make marks
on the surface. If this appears during the end of the
operation, when the concrete surface is hard and
close to be finished, the damage can be hard to
restore.
Manoeuvring the trowel
The trowel is manoeuvred by applying force on the
handle in different directions. The procedure below
describes how to move the trowel in different
directions, but just as important is the balance and
smoothness of the operator to achieve smooth and
easy movements of the machine.
13© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

♦Turn to the left:
Lift the handle to turn the trowel to the left.
♦Turn to the right:
Press down the handle to turn the trowel to the
right.
♦Move forward:
Press down the right side of the handle and lift the
left side of the handle in one movement to move
the trowel forward. This movement can also be
achieved by pushing the handle forward.
♦Move backwards:
Press down the left side of the handle and lift the
right side of the handle in one movement to move
the trowel backward. This movement can also be
achieved by pulling the handle backward.
Adjusting the blade angle
The BG240QP is equipped with a quick pitch lever
for adjusting the blade angle in positioned steps. The
quick pitch lever can be positioned in eight different
steps.
♦To increase the blade angle, pull the quick pitch
lever towards you.
♦To decrease the blade angle, push the quick pitch
lever away from you.
The BG240TP is equipped with an twist pitch knob
for stepless adjusting of the blade angle.
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Original instructions
14
BG 240 ESafety and operating instructions

♦To increase the blade angle, turn the twist pitch
knob clockwise.
♦To decrease the blade angle, turn the twist pitch
knob counterclockwise.
When taking a break
♦Stop the machine during breaks.
♦During all breaks, put the machine away so that
there is no risk for unintentional start.
Maintenance
Regular maintenance is a basic requirement for the
continued safe and efficient use of the machine.
Follow the maintenance instructions carefully.
♦Before starting maintenance on the machine, clean
it in order to avoid exposure to hazardous
substances. See “Dust and fume hazard”.
♦Use only authorised parts. Any damage or
malfunction caused by the use of unauthorised
parts is not covered by warranty or product liability.
♦When cleaning mechanical parts with solvent,
comply with appropriate health and safety
regulations and ensure there is satisfactory
ventilation.
♦For major service of the machine, contact the
nearest authorised workshop.
♦After each service, check that the machine's
vibration level is normal. If not, contact the nearest
authorised workshop.
NOTICE Never aim a water jet directly at the
electrical motor. This is particularly important when
using a high-pressure cleaner.
The trowel can be leaned forward and positioned on
the front support frame, when service and
maintenance are carried out. This position is also for
exchange or removal of the blades and the floating
disc.
Every 10 hours of operation
(daily)
Maintenance routines:
♦Check the tightness of all nuts and bolts.
♦Clean the machine. After every working shift
concrete splashes must be removed from the
surfaces when it is still fresh, use high-pressure
water.
♦Check that the controls are not damaged and do
not jam.
♦Check all the wires for wear and correct
adjustment.
♦Lubricate the blade shafts.
After the first 20 hours of
operation
Maintenance routines:
♦Lubricate the blade shafts using the grease nipples
placed on the hub.
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Original instructions
Safety and operating instructionsBG 240 E

Every 200 hours of operation
(monthly)
Maintenance routines:
♦Check that the V-belt is not damaged.
CAUTION Cover the V-belt
Running a machine without the protective cover over
the V-belt may cause trapping or machine damage,
which can cause injury.
►Never run the machine without the protective cover
over the V-belt.
►Disconnect the electric cable before removing the
protective cover.
Checking the V-belt
A correctly tensioned V-belt increases the life of the
V-belt and provides the best operating comfort.
1. Remove the protective cover (A).
A
2. Check if the V-belt (B) is damaged, change if
necessary.
B
C
3. If the V-belt is not correctly tensioned, adjust the
adjusting screw (C). The correct tension is when
the V-belt can be pushed in 3 mm (0.12 in.) with
a force of 20 N (4.5 lbf).
4. Reinstall the protective cover (A).
Every 500 hours of operation
(yearly)
Cleaning the blade shaft
Disassemble the blade shafts from the hub and clean
the parts carefully. Grease the contact areas before
assembling it again.
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Original instructions
16
BG 240 ESafety and operating instructions

1. Loosen the screws (A) for the outer ring from the
blade shafts (B).
A
B
D
C
2. Remove the outer ring (C).
3. Pull out the blade shafts (B) from the hub.
4. Clean the contact surfaces on the blade shafts
(B) and the hub.
5. Grease the surfaces and assemble the blade
shafts (B) again.
6. Bring together the blade shafts (B) and finish the
procedure by greasing the nipples (D) until
grease is coming out around the blade shafts
(B).
Cleaning the pressure plate
Check the status of the lubrication of the bearings.
Use the same grease as for the shafts.
1. Loosen and remove the screw (A) and the
washer (B).
A
B
C
D
E
F
2. Dismount the spider assembly (C). Use a puller
if the blade cross is tight on the shaft.
3. Dismount the pressure plate (D), protection ring
(E) and the needle bearing (F).
4. Clean the surfaces and grease them carefully.
5. Assemble the parts.
NOTICE The gearbox of the trowel is lubricated for
life. If the oil for some reason has to be changed,
use recommended oil quality. See section "Technical
data".
Troubleshooting
SolutionCauseProblem
Check power supply
cable and fuse.
No power supplyThe trowel does not
start.
Check if the
magnetic sensor is
properly located
and adjacent parts
Electromagnetic
contactor is not
activated
not deformed.
Check the condition
of the magnetic
sensor by testing if
a signal is going
through. If not,
replace the
magnetic sensor.
Check the electric
components,
cables, contactors,
capacitors and
No current supply to
the electric motor.
starting switch.
Replace if
necessary.
Replace the V-beltThe V-belt is
broken.
The blades do not
rotate or rotate too
slowly, when the
hold-to-run handle
is activated.
Adjust the screw for
the V-belt.
The V-belt is
slipping or does not
tension against the
pulleys.
17© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

SolutionCauseProblem
Wait until the
concrete has dried
up.
Floating disc is
used and the
concrete is too
fresh.
The blade cross has
difficulty rotating.
Repair or replace
the electric motor.
Electric motor
faulty.
Repair or replace
the transmission.
Transmission faulty.
Replace the broken
units.
One or more blades
are bended or
faulty.
The trowel is
shaking.
Disassemble the
blades and clean
the contact area.
Put new grease on
all contact areas.
One or more blades
are not moving in
the hub.
Replace the
pressure plate.
The pressure plate
is askew.
Disassemble the
blades and clean
the contact area.
Put new grease on
all contact areas.
One or more of the
blades are not
moving in the hub.
The blade
adjustment system
is out of order.
Disassemble the
blade cross and
clean all contact
areas.
The pressure plate
is not moving
vertically.
Check all involved
parts and replace if
necessary.
The blade
adjustment in the
operating handle is
faulty.
Storage
●Clean the machine properly before storage, in
order to avoid hazardous substances. See “Dust
and fume hazard”
●Always pull out the electric cable before putting
the machine away for storage.
●Always store the machine in a dry place.
Disposal
A used machine must be treated and disposed of in
such a way that the greatest possible portion of the
material can be recycled and any negative influence
on the environment is kept as low as possible, and
in respect to local restrictions.
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
18
BG 240 ESafety and operating instructions

Technical data
Machine data
BG240 E-S-TPBG240 E-S-QP
Motor
230V -1-50/60 Hz230V -1-50/60 HzManufacture/Model
1.51.5Power, kW
120120blade speed, r.p.m.
9.59.5Rated current, A
Design
Short, foldableShort, foldableType of handle
Twist pitchQuick pitchType of blade angel adjustment
Bolt-onBolt-onType of blade arms
Lubricants
Shell Regina Grease 2 or equivalentShell Regina Grease 2 or equivalentGrease, shaft for blade adjustments
Synthetic Mobil SHC 634Synthetic Mobil SHC 634Gearbox oil
Weights
BG240
60 (132)Operating weight, kg (lbs)
Weights and dimensions for options
BG240
16 (35.3)Floating disc, kg (lbs)
610 (24)Floating disc, mm (in.)
9 (19.8)Trowel blades, four units, kg (lbs)
600 (23.6)Trowel blade, mm (in.)
-Protection ring, kg (lbs)
615 (24.2)Protection ring, mm (in.)
-Transport wheel, kg (lbs)
-Transport wheel, mm (in.)
Noise and vibration declaration statement
Guaranteed sound power level Lw according to EN ISO 3744 in accordance with directive 2000/14/EC.
Sound pressure level Lp according to EN ISO 11201.
Vibration value determined according to EN ISO 20643, EN ISO 5349-2:2001. See table ”Noise and vibration
data” for the values etc.
These declared values were obtained by laboratory type testing in accordance with the stated directive or
standards and are suitable for comparison with the declared values of other machines tested in accordance
with the same directive or standards. These declared values are not suitable for use in risk assessments and
values measured in individual work places may be higher. The actual exposure values and risk of harm
experienced by an individual user are unique and depend upon the way the user works, in what material the
machine is used, as well as upon the exposure time and the physical condition of the user, and the condition
of the machine.
We, Construction Tools EOOD, cannot be held liable for the consequences of using the declared values, instead
of values reflecting the actual exposure, in an individual risk assessment in a work place situation over which
we have no control.
19© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
Safety and operating instructionsBG 240 E

This machine may cause hand-arm vibration syndrome if its use is not adequately managed. An EU guide to
managing hand-arm vibration can be found at http://www.humanvibration.com/humanvibration/EU/VIBGUIDE.html
We recommend a programme of health surveillance to detect early symptoms which may relate to vibration
exposure, so that management procedures can be modified to help prevent future impairment.
Noise and vibration data
VibrationNoise
Declared valuesDeclared values
Three axes valuesSound power
Sound
pressure
EN ISO 206432000/14/EC
EN ISO
11201
permitted working
hours/day
m/s 2value
Lw
measured
dB(A) rel 1pW
Lw
guaranteed
dB(A) rel 1pW
Lp
at
operator's
earType
83.710210486BG240 E
Permitted working hours per day are calculated on action value of 5 m/s2as per 2002/44/EC.
Uncertainties, sound value
Uncertainties, sound value
KpA dB(A)KwA dB(A)
Type
2.52.5BG240 E
Uncertainty factor for concrete.
© 2015 Construction Tools EOOD | No. 9800 1230 01b | 2015-05-18
Original instructions
20
BG 240 ESafety and operating instructions