Hyundai power products HDB58 User manual

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CONTENTS
1. SAFETY INSTRUCTIONS.................................................................... 3
2. YOUR PRODUCT................................................................................. 9
3. ASSEMBLY......................................................................................... 11
4. FILLING FUEL TANK......................................................................... 12
5. OPERATION....................................................................................... 14
6. MAINTENANCE AND SERVICING ................................................... 15
7. TROUBLESHOOTING........................................................................ 19
8. DECLARATION OF CONFORMITY.................................................. 20
9. WARRANTY........................................................................................ 21
10. PRODUCT FAILURE.......................................................................... 22
11. WARRANTY EXCLUSIONS .............................................................. 23

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1. INSTRUCTIONS
WARNING!
Read and understanding this Manual. Always follow safety precautions in the Operator’s and Safety
Manual, Improper use can cause serious injury! Preserve this Manual carefully!
WARNING!
FUELS WITH MORE THAN 10% ETHANOL ARE NOT APPROVED FOR USE IN 2-STROKE ENGINES!
Use of alternative fuels, such as E-20(20% ethanol), E-85 (85% ethanol) or any fuels not meeting
requirements are not approved for use in 2-stroke gasoline engines!
USE OF ALTERNATIVE FUELS CAN CAUSE THE FOLLOWING PROBLEMS:
Poor engine performance, loss of power, overheating, fuel vapor lock, Improper clutch engagement,
premature deterioration of fuel lines, premature deterioration of gaskets, premature deterioration of
carburetors.
USING ALTERNATIVE FUELS AND/OR 2-STROKE OILS NOT IN CONFORMITY IN 2-STROKE ENGINES
WILL VOID YOUR ENGINE WARRANTY!
SAFETY PRECAUTIONS
Since the Concrete Cutter is a very high-speed tool, any misuse could be dangerous. In order to avoid
property damage or personal injury, it is EXTREMELY IMPORTANT that you read and follow these safety
precautions before you begin to use this appliance.
1. Worksite requirements:
a) The work site must be free of flammable or explosive materials or objects.
b) The surroundings of the work site must be tidy, unobstructed, with good visibility and well ventilated.
The operator on the ground must stand on non-slippery ground. Be very careful when working in wet
areas or during the rainy season (rain, snow, frost, ice).
c) Spectators should stay away from the saw during operation. Children, disabled people and animals
must always be kept away from the work site.
d) An object could be thrown at the operator by the cutting tool. It is therefore important to correctly position
the object to be cut to avoid inconvenience.
e) Organize the work to be undertaken, paying attention to the survey of the site in order to identify
hazards such as electric cables and flammable substances.
f) Use warning signs to advise people not to enter the work area.
2. Cutting disc
a) Before installing a blade, make sure that the maximum operating speed of the blade exceeds or is equal
to the rotational speed of your circular saw.
b) Inspect the circular blade frequently and if the cutting blade is scratched or scraped, please replace it
immediately. Damaged blades could cause serious personal injury.
c) Never use the carbide blade, wood cutting blades or circular machine blades. Failure to do so could
cause serious injury or even death.
d) Use the appropriate blades for the different types of material to be cut.
e) Diamond blades have better cutting performance compared to abrasive blades. The blades have steel
in the center and the diamond particles are distributed on their cutting sides.

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f) The diamond blade could be used for hot and cold cutting. Cold cutting extends the life of your diamond
blades.
g) When installing the blade, make sure that the arrow of the blade points in the direction of rotation of the
shaft.
h) The motor must be turned off during blade installation.
i) Correct installation of the V tension belt is very important. In order to avoid incorrect settings, the
tensioning procedure must be followed as described in this manual.
j) Use only cutting discs designed for use on portable concrete cutters.
k) Warning - Do not use cutting discs not intended for portable concrete cutters. This type of disc can
cause accidents and injuries.
l) Use only wheels designed for use on the chain saw. It is forbidden to use any other type of cutting
accessory designed for use. The cut-off wheel must have an authorized speed of rotation at least equal
to the maximum spindle speed indicated on the machine.
m) Check the cut-off wheel for cracks, deformation of shape or imbalance. Do not use a machine that does
not meet this requirement.
n) Warning - Do not leave the engine running unattended, e.g. on the ground.
o) Do not transport the machine with the engine running.
p) Warning - The machine must not be used in the presence of flammable substances and gases. Always
provide enough ventilation.
q) Warning - the machine produces exhaust gases, which include hydrocarbons and benzene; Sufficient
ventilation should be provided, not only when used indoors, but also when working in trenches, pits or
other confined areas.
3. Operator
a) The Concrete Cutter is a one-person-only tool.
b) Always make sure that the operator is in good physical condition and is not under the influence of
substances such as drugs or alcohol which may affect his vision or his dexterity. Please take several
breaks to avoid getting tired. Spectators, especially children, should not be allowed to stay in the work
area.
c) Never operate the Concrete Cutter without supervision. Untrained persons should not be allowed to use
this device.
d) Never lend or rent your machine without its user manual.
e) Operators must have a training program for this device to ensure safe operation of the Concrete Cutter.
f) Avoid wearing loose clothing, scarves, necklaces, flared pants. Wear whole clothes or long pants and
safety shoes to protect your feet. Avoid wearing shorts.
g) Protect your hands with gloves when handling the Concrete Cutter. Non-slip gloves make handling
easier and protect your hands.
h) Use the Concrete Cutter with both hands. Hold the front and rear handles firmly. Always maintain good
balance.
i) Good foot balance is important. Wear boots with non-slip soles. Safety shoes with steel reinforcement
are strongly recommended.
j) In the interest of reducing injury to your eyes, never operate this device without wearing safety glasses
that fully protect your eyes. Adequate eye protection is a must!
k) Wear a sturdy, approved safety helmet to protect your head. The noise of the Concrete Cutter could
damage your hearing. Wear hearing protection or ear mufflers always.

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l) Wearing a mask. Cutting on the construction site as well as cutting concrete, metal and other materials
that may generate dust, mists or fumes containing chemicals could cause serious injuries or illnesses
such as respiratory defects, cancer, reproductive failure and other reproductive harm. Cutting masonry,
concrete and other materials containing silica in their composition could cause crystalline silica. Silica is
a building block in sand, quartz, brick clay, granite, and many other minerals and rocks. It is
recommended to wear an approved mask.
m) Avoid cutting materials containing asbestos because asbestos or asbestos dust could cause serious
physical injury. Avoid cutting highly volatile materials or flammable substances.
n) Avoid leaving the machine unsupervised.
o) Use the tool only for its intended use. All other operations are prohibited.
p) Do not use the tool for an extended period. Limit the time of use and take some rest during the
operation.
q) Prolonged use of this product exposes the operator to vibration and may produce what is called “white
finger” disease. To reduce the risk, wear gloves and keep your hands warm. If any of the symptoms of
"white finger syndrome" appear, seek medical attention immediately. Symptoms of "white finger" include
numbness, loss of sensitivity, tingling and pain, loss of strength, color changes, or skin problems. These
symptoms usually appear on the fingers, hands, or wrists. The risk increases at low temperatures.
r) Warning - dangers may be encountered during the operation such as reactive movement (ie climbing,
pulling, pinching and especially spinning reactions); Always hold the machine firmly, inspect the work
area and always work on a stable and safe surface. Do not force the machine.
4. Inspection of the Concrete Cutter before use
a) Make sure there are no loose objects or near the device.
b) Except for the carburetor adjusting screws, all other fuel tank bolts, nuts, screws, and cap must be
properly tightened. Make sure that all the fuel system hoses are properly connected without leaking.
c) Make sure that the blades are turning correctly, and that the starter cord could be pulled out and put
back in place without getting caught.
d) Check the throttle trigger, full throttle lock button, choke lever and decompressor and circuit breaker to
be sure they are operating properly.
e) Check to make sure that the blade guard has no visual defects. Adjust the blade guard as needed so
that sparks and debris generated during cutting are not directed towards the operator.
f) Make sure the V belt is tight.
g) Make sure the saw is not leaking gasoline.
h) Make sure the main cover and handles are dry and clean.
5. Start-up precautions
a) Maintain a good balance and secure the position of the feet. Do not start the machine if the saw is
damaged. It must be correctly assembled and adjusted.
b) Do not start the machine if the blade is damaged. It must be correctly assembled and adjusted.
c) To start, place the machine firmly against the ground and make sure that the blade is not in contact with
the ground or the object to be cut.
d) Pull the Starter vigorously and gently put it back in place. Avoid leaving the handle halfway.
6. Precautions concerning the operation
a) Maintain good balance and keep a firm foot position while holding the saw firmly.
b) Squeeze the throttle trigger to gradually accelerate the engine. Wait for the blade to reach maximum
speed before starting to work.

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c) Move the rotating blade gently towards the object to be cut, gradually increasing the pressure once the
cutting edges contact the object. Make sure the depth of cut is appropriate.
d) Avoid changing direction or turning while cutting as this may place a large torsional load on the blade
and cause it to fail. Only move the machine in a straight line, forward and / or backward in the cutting
direction.
e) When cutting, keep a distance between your body and the saw; Make sure your body does not meet the
rotating parts.
f) Release the pressure on the saw when the blade finishes cutting. The cut portion of the object may fall
off, so avoid it crushing you or bending the saw.
g) Whenever you hear abnormal sound from the Concrete Cutter, immediately stop cutting and inspect
(Note: Muffler and blade are very hot currently). Only start working again when the problem is resolved.
h) Avoid making any adjustments, maintenance or troubleshooting while the machine is running.
i) Take care when resuming a cut or when turning the blade at an angle. You should also be careful of the
pressure exerted on the blade so as not to damage it.
7. Fuel refueling precaution
a) Refuel the machine only in a well-ventilated environment.
b) Before refueling, allow the engine to cool naturally. Avoid taking measures to speed up the cooling of
the engine.
c) Carefully remove the fuel tank cap to allow any pressure stuck in the tank to release slowly.
d) Tighten the fuel cap securely after refueling and clean up any leaks.
e) Do not smoke while refueling.
f) Do not bring any source of ignition during refueling.
g) Be careful of fuel spills and ignition of fire by sparks when cutting. In the event of a spill, stop work, clean
the area and the machine. Make sure the area is safe before starting over.
8. Notes on transport
a) Always stop the engine before repositioning the saw.
b) When transporting the machine, avoid getting burned by the muffler.
c) Be careful that the saw does not touch the ground or hard objects.
9. Notes on maintenance
a) Perform maintenance or repair work in a clean and tidy environment. Use clean tools and operate with
care.
b) Avoid modifying the disc in any way. Use only identical spare parts.
c) The Concrete Cutter is intended for cutting work only and should not be used to spread or lift objects, or
as a tool for grinding with the sides of the blade.
10. Storage
a) Ensure maintenance and cleaning before storing the machine.
b) Store the machine out of the reach of children in a dry place. It is recommended to place it in its box.

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SYMBOLS
READ THE INSTRUCTION MANUAL
WARNING! RISK OF PROJECTION - KEEP BYSTANDERS AWAY
WARNING! RISK OF INHALATION OF TOXIC GASES
WARNING! RISK OF CUT FROM CUTTING MEANS
WARNING! RISK OF EXPLOSION
BEWARE OF KICKBACK
DO NOT USE BROKEN BLADES
DO NOT USE SAW BLADES
AVOID CONTACT WITH FLAMMABLE PRODUCTS
DO NOT USE THE MACHINE IN RAIN

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WEAR A PROTECTIVE MASK
WEAR HEARING PROTECTION
WEAR EYE PROTECTION
WEAR A PROTECTIVE HELMET
WEAR PROTECTIVE EQUIPMENT (HELMET, GOGGLES, HEADPHONES)
WARNING SYMBOL
GUARANTEED SOUND POWER LEVEL

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2. YOUR PRODUCT
PRODUCT DESCRIPTION
1
Handle
12
Choke
2
Air filter cover
13
Starter handle
3
Tubular handle
14
Trigger control
arm
4
Wheel cover
15
Trigger
5
Adjust handle
16
Starter
6
Adjusting screw
17
Wheel
7
Belt protection cover
18
Muffler
8
Tank cap
19
Cutting disc
9
ON/OFF switch (I/O)
20
Big plate
10
Tubular handle cover
21
Screw
11
Cover

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TECHNICAL DATA
Engine type
1E58F-1 2stroke, single cylinder, air cooled
Displacement
58cm3
Carburetor
Walbro
Spark plug
TORCH
Power
2.4kW @8500/min
Fuel tank capacity
550ml
Mixture ratio (fuel/two-stroke oil)
40:1
Weight (tanks empty, without cutting disc)
10,4kg
Cutting disc
Ø305mm x Ø25,4mm
Cutting disc speed:
4800/min
Wheel-fastener tightening torque, in newton meters
(Nm).
28,6
Minimum flange outside diameter, df, in millimetres
(mm).
97mm
Spindle diameter
25mm
Maximum spindle speed
4800/min
Sound pressure level LpA
92.5dB(A), K=3dB(A)
Sound power level LwA
111dB(A), K=3dB(A)
Guaranteed sound power level according to
2000/14/14/EC
116dB(A)
DELIVERY CONTENTS
1. Concrete Cutter
2. Cutting disc
3. Screwdriver
4. Offset screwdriver
5. Universal wrench 13/19
In case of the parts listed should not be included in the delivery inventory, please consult your sales agent.

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3. ASSEMBLY
MOUNTING THE CUTTING DISC
- Place the machine on a plane and a stable surface. If the plates are placed on the machine, they shall be
removed.
- Place, in the following order:
A big plate
The cutting plate (the cutting direction is marked on the disc),
The other big plate
The small plate
Then, screw the disc with the M10*20 outer hexagonal screw.
A big plate
Cutting plate
Other big plate
Small plate
Screw

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DISASSEMBLING
- Insert the 4mm Allen wrench into the middle hole of the belt protection.
- Use the cross sleeve M10*20 outer hexagon screws to loosen the screw.
- Remove the small plate, the big plate, the cutting plate and the second big plate.
4. FILLING FUEL TANK
FUEL AND OIL
Caution:
This tool uses petroleum products (gasoline and oil).
Be especially careful when handling gasoline.
Do not smoke. Do not allow gasoline to come near flames,
sparks or tire (explosion hazard)
Fuel mixture
This tool is powered by a high-performance air-cooled
two-stroke engine. It runs on a mixture of gasoline and
two-stroke engine oil.
The engine is designed for unleaded regular gasoline with a min
octane value of 89 (R+M)/2. In case no such fuel is available,
you can use fuel with a higher-octane value. This will not affect the engine.
In order to obtain an optimum engine output and to protect your health and the environment use
unleaded fuel only.
To lubricate the engine, use a synthetic oil for two-stroke air-cooled engines, which must be added to the fuel.
The correct mixture ratio 40:1 (40-part gasoline to 1-part oil)
Allen wrench
Cross sleeve

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NOTE For preparing the fuel-oil mixture, first mix the entire oil quantity with hall of the fuel required, then add
the remaining fuel. Thoroughly shake the mixture before filling it into the tank (use the provided can for the
mix).
Caution: Open the tank cap carefully, as pressure might have built up inside!
It Is not wise to add more engine oil than specified to ensure safe operation. This will only result in a
higher production of combustion residues which will pollute the environment and clog the exhaust
channel in the cylinder as well as the muffler. In addition, fuel consumption will rise, and
performance will decrease.
Storage of the fuel
Fuels have a limited storage life. Fuel and fuel mixtures age through evaporation, especially at high
temperatures Aged fuel and fuel mixtures can cause starting problems and damage the engine. Purchase
only that amount of fuel, which will be consumed over the next few months. At high temperatures, once fuel
has been mixed it should be used up in 6-8 weeks.
Store fuel only in proper containers, In dry, cools, secure locations!
AVOID SKIN AND EYE CONTACT
Mineral oil products degrease your skin. If your skin meets these substances repeatedly and tor an extended
period, it will desiccate, various skin diseases may result. In addition, allergic reactions are known to occur.
Eyes can be irritated by contact with oil. If oil comes into your eyes, immediately wash them with clear water,
if your eyes are still irritated, see a doctor immediately!
REFUELLING
IMPORTANT;
FOLLOW THE SAFETY PRECAUTIONS:
a) Be careful and cautious when handling fuels.
b) The engine must be turned off and cooled down
c) Carefully clean the area around the fuel-tank filler neck to keep
dirt from getting in the tank.
d) Place the Concrete Cutter on an even surface.
e) Unscrew the tank cap and fill tank with fuel mixture. Take care
to avoid spilling.
f) Screw the tank cap back on hand-tight
g) Clean screw cap and tank after refueling.
Never start or operate the Concrete Cutter in the same place
as it was fueled. If fuel gets on your clothing, change clothes
immediately.

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5. OPERATION
STARTING THE ENGINE
CAUTION:
Start the Concrete Cutter only after complete assembly and
inspection.
a) Move at least 3m (10 feet) away from the place where you fueled the Concrete Cutter.
b) Make sure you have a good footing and place the Concrete Cutter on the ground in such a way that the
cutting disc is not touching anything.
WATER SUPPLY
A water supply line (from a pressurized water tank or other source) is connected by the water set on the
protective cover. The water flow rate can be adjusted with the adjusting screw. Press the 1/2”hose into the
holder.
For a slower flow, turn the adjusting screw clockwise.
For a faster flow, turn it counter-clockwise.
COLD STARTING
- Switch on the machine by pushing the ON/OFF (I/0) on the position I.
- Pull the choke lever. It will close and the throttle will be moved to the starting position.
- Pull starter cable smoothly until you hear the first Ignition
(max. 3-5 pulls).
CAUTION Do not pull the starter cable more than about 50
cm/20' out.
- Push the choke lever.
Pull the starter cable smoothly.
- As soon as the engine is running, grasp the rear handle and
press the lock trigger and the trigger.
WARM STARTING
As described above for cold starting, it doesn't need to pull the choke lever. If the engine doesn't start after 2
or 3 pulls, repeat the entire starting procedure as described for cold starting.
Note If the engine was switched off only for a short time, the saw can be started without using choke lever.
STOPPING
Switch off the machine by pushing the ON/OFF button (I/O) of the position O.
Wait until the total stop of the disc before doing the maintenance and storing the machine.

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CARBURETOR ADJUSTMENT
The idle speed is preset at the factory. However, the break-in
procedure of a new machine may require a slight readjustment of the
idle speed.
- Start the engine and run it until it is warm (about 3 to 5 minutes).
- Use the screwdriver provided (7). It has a welded heel for adjustment.
Correct idle speed
-If the blade disc rotates when the engine is idling, turn the throttle
stop screw (T) counterclockwise in small increments until the blade
stops spinning.
-If the engine suddenly stops at idle, slightly unscrew the screw
clockwise.
-Switch off the machine.
6. MAINTENANCE AND SERVICING
CAUTION:
- Before maintenance and servicing, dismantle the machine (as explained in the chapter
“removing the disc”.
- It is recommended to wear protective gloves when handling the machine.
- The machine must be cooled before carrying out maintenance and cleaning.
- Carry out regular maintenance on the machine and strictly follow the instructions given in this
manual.
- For all other maintenance not mentioned in this instruction manual and in the event of a
problem with the machine, take it to a service center.
- The machine must always be kept in good working order.
- Lack of cleaning and maintenance will shorten the life of the machine, lead to poor work results
and may cause damage.
- Use non-conforming replacement components, or remove or modify safety components in
order to avoid machine breakdowns and accidents. Always follow the instructions given in this
manual.
CHANGING THE V-BELT
a) Loosen bolts (1) and remove belt cover (2)
b) Loosen the three bolts (3).
c) Use the combination tool to tum the nut (4) about one turn
counter-clockwise.
d) Remove the old V-belt or belt fragments.
e) Clean out the interior with a brush.
f) Insert a new V-belt.

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g) Use the combination tool to turn the nut (4) forcefully clockwise to
its original position (V-belt is now tight),
h) Put back and tighten the 3 bolts (4).
i) Put the belt cover (2) on and tighten the bolts (1).
Note: The V-belt is highly elastic, so it is not necessary to retighten it.
A worn V-belt causes the cutoff disc turns at the lowest idle speed. In
this case, the V-belt must be replaced.
CLEANING THE PROTECTION COVER
Over time, the inside of the protective hood can become caked with material residue which if allowed to
accumulate can hinder the free rotation of me cutting disc.
For this reason, the hood must be cleaned out from time to time.
Take off the cutting wheel with spring washer and remove the accumulated material from inside me hood
with a strip of wood or similar implement.
Clean the shaft and all removed parts.
NOTE: To install the cutting wheel see “Mounting the cutting disc”.
CLEANING /CHANGING THE AIR FILTERS
CAUTION:
Turn off the engine before cleaning the airliner! Never clean out the air filter with compressed air! Do not use
fuel to clean the air filter foam (3) and inner filter (6).
The service life of the engine depends on the condition and regular maintenance of the filter elements.
Failure Io perform maintenance and cleaning at the prescribed Intervals Mil cause Increased wear inside the
engine.
If the air filter becomes damaged, replace Immediately; Pieces of cloth or large dirt particles can destroy the
engine.
Foam filter
Loosen the bolt (2) and remove the filter cover (1).
Take out the foam filter (3) out of the cover (1).
Wash out the foam filter with a neutral detergent and water. Make it
completely dry before reinstalling it.
When the foam filter is too dirty, it shall be replaced by a new one.
Cartridge filter
Loosen the bolts (4) on the cover and remove the cover. Remove the
cartridge filter (6).
To clean the cartridge filter, carefully tap it on a surface. Do not clean
it with water.
Replace the cartridge filter every 20 operating hours.
Note: check and clean the air filter every 6 hours.
Replace it immediately if there is a drop in power, drop in speed or smoke in the exhaust.

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REPLACING THE SPARK PLUG
CAUTION:
Do not touch the spark plug or plug cap if the engine is running (high voltage).
The spark plug must be replaced in case of damage to the insulator, electrode erosion (bum) or if the
electrodes are very dirty or oily.
CAUTION: To avoid damaging the pressure relief valve when unscrewing the spark plug, position
the combination tool so that you do not touch the valve.
Steps of removing spark plug:
1. Open the engine cover with the screwdriver
2. Remove 3 clips from the cover of the air filter
3. Unscrew the other screw on the side of the cover
4. Remove the whole cover of the air filter
5. Remove the ignition coil cap
6. Then remove the spark plug
7. Replace the spark plug by a similar model. Ask advice to the service agent.
8. Reassemble this part of the machine in reverse order.
Checking the Ignition spark
Insert the combination tool between the ventilation and cylinder.
CAUTION!
Do not Insert the com bination tool into the spark plug hole but make contact only with the cylinder
(otherwise you may damage the engine).
Using insulated pliers, hold the spark plug (unscrewed but with the plug cap on) against the combination tool
(away from the spark plug hole).
Switch the combination switch to “ON/I”.
Pull the starter cable hard.
If the function is correct, an ignition spark must be visible near the electrodes.
REPLACING THE SUCTION HEAD
The filter (5) of the suction head can become dogged; It is
recommended to replace the suction head once every three
months in order to ensure unimpeded fuel flow to the carburetor.
Unscrew the tank cap (6), pull the retainer out of the opening.
Empty fuel tank.
Use a wire hook to pull the suction out of the tank opening for
replacement.
Caution: Do not allow fuel to meet skin!

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INSTRUCTIONS FOR PERIODIC MAINTENANCE
To ensure long life, prevent damage and ensure the full functioning of the safety features the following
maintenance must be performed regularly. Guarantee claims can be recognized only if this work is
performed regularly and properly Failure to perform the prescribed maintenance work can lead to accidents!
Users of the tool must not perform any maintenance work not described in this Operator's manual. All such
work must be carried out by a service center.
General
Entire machine
Cutting disc
Clutch
Protection cover
Clean exterior check for damage. In case of damage, have repaired
by a qualified service center immediately Inspect regularly for
damage and wear.
Have inspected at a service center.
Clean
Before each
start
Cutting disc
Protective hood
Switch
Safety locking button
Throttle lever
Tank cap
Inspect for damage and make sure the cutting wheel is right for the
job
Adjust position
Functional check
Functional check
Functional check
Check for tightness
Every day
Idle speed
Check (cutting disc must not tum on idle)
Every week
Starter housing
Starter cable
V-belt
Spark plug Muffler
Screws and nuts
Clean to ensure proper air cooling
Check for damage inspect for damage and wear
Check and replace if necessary
Check tightness of mounting
Check their condition and that they are firmly secured.
Monthly
Air filter insert
Check the air filter insert, clean as needed, replace alter 500
operating hours
Every 3
months
Suction head Fuel
Tank
Replace
Clean
Annually
Entire machine
Check at an authorized service center
Storage
Entire machine
Cutting disc
Fuel tank
Clean the exterior, check for damage. In case of damage, have
repaired by a qualified service center Immediately
Remove and clean
Empty and clean

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7. TROUBLESHOOTING
Malfunction
System
Observation
Cause
Cutting disc does
not start turning
Clutch
Engine runs
Damage to clutch
Cutting disc runs in
idle
Carburetor, clutch
V-belt
Cutting disc
runs
Incorrect idle speed, blocked clutch belt has
insufficient tension, V-belt is worn
Engine does not
start or only with
difficulty
Ignition system
Ignition spark
Malfunction in fuel supply system, compression
system, mechanical malfunction.
No ignition
spark
Fault or short-circuit in the wiring, plug cap or
spark plug defective,
Fuel supply
Fuel lank is
filled
Choke in wrong position, carburetor defective,
suction head dirty, fuel line bent or interrupted.
Compression system
Inside
Cylinder base packing ring defective, radial
shaft packing defective, cylinder or piston rings
defective
Outside
Spark plug does not seal.
Mechanical
malfunction
Starter does
not engage
Spring in starter broken, broken parts Inside the
engine.
Warm start
difficulties
Carburetor
Fuel tank is
filled
Wrong carburetor adjustment, Ignition spark
Engine starts, but
dies immediately
Fuel supply
Fuel tank Is
filled
Wrong Idling adjustment, suction head or
carburetor dirty.
Tank venting defective, fuel line Interrupted,
cable detective, switch defective.
Decompression valve dirty
Insufficient power
Several systems may
be Involved
simultaneously
Engine is idling
Filtre àair sale, mauvais réglage du
carburateur, silencieux bouché, canal
d'échappement dans le cylindre bouché, écran
pare-étincelles bouché.

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8. DECLARATION OF CONFORMITY
BUILDER SAS
32, rue Aristide Bergès -Z1 31270 Cugnaux - France
Tel. [phone] Fax: [phone]
Declares that the machine named below
Concrete Cutter
HDB58
Serial number: 20220213765- 20220214514
Complies with the following European Directives:
Machinery Directive 2006/42/EC
EMC Directive 2014/30/EU
Emission Regulation (EU) 2016/1628
Applicable harmonized standards:
Guaranteed Sound Power Level
116dB(A)
Sound power level
LwA: 111 dB(A) K= 3dB(A)
Cugnaux, 15/10/2021
Philippe MARIE / CEO
Responsible of technical file: M. Olivier Patriarca