DIAKAT RK-10 User manual

Ledařská 8 / 147 00 Praha 4 - Braník / Česká republika
http://www.huddy.cz / [email protected]
tel: [phone] / fax: [phone] /
Operator’s Manual
RK-10
Roofing Saw

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Read the operator’s manual carefully and understand the contents before you use this
equipment. Always use the machine in accordance with all the instructions contained in
this manual, in order to ensure safe and efficient operation as well as longevity of the
machine.
The manufacturer can not be held responsible for any damages or injury arising from the
use of the machine not in accordance with the instructions contained in this manual.
CONTENTS
1. SAFETY INSTRUCTIONS.....................................................................2
1.1. General safety instructions..................................................................................................2
1.1.1 Qualification requirements.........................................................................................2
1.1.2. Duties of the entrepreneur:........................................................................................2
1.1.3 Duties of the operator................................................................................................2
1.14. Using the machine......................................................................................................3
1.1.5. Checkups, maintenance, service and repair ..............................................................3
1.2. Transporting the machine ...................................................................................................3
1.3. Prohibited activities ............................................................................................................4
1.4. Hygienic instructions..........................................................................................................4
1.5. Ecological instructions........................................................................................................4
1.6. Liquidating the machine at the end of its useful lifetime...................................................4
1.7. Safety instruction for work with RK-10 Roofing Saw........................................................5
2. TECHNICAL DATA AND DESCRIPTION OF THE
MACHINE.........................................................................................................5
2.1. Description of the machine.................................................................................................5
2.2. Technical specifications......................................................................................................5
2.3. Primary operative parts of the machine ..............................................................................6
3. BEFORE STARTING............................................................................7
3.1. Visual check up of the machine state..................................................................................7
4. WORKING WITH THE MACHINE..........................................................7
4.1. Mounting of the tool...........................................................................................................7
4.2. Working with the machine..................................................................................................7
4.3. Termination of work...........................................................................................................8
5. MAINTENANCE.....................................................................................8
5.1. Cleaning of the machine .....................................................................................................8
5.2. Checking screw joints.........................................................................................................8
5.3. Engine maintenance............................................................................................................8
5.4. Tool maintenance................................................................................................................8
5.5. Inspection of tautness of V belts.........................................................................................8

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1. SAFETY INSTRUCTIONS
1.1. General safety instructions
1.1.1 Qualification requirements
Persons operating this machine must fulfil the following requirements:
1. The machine may be operated independently only by workers who are:
•older than 18- teen years (or as the law in the country of use prescribes)
•physically and mentally competent
•trained, who proved their ability to operate the machine safely
2. All workers who will operate this machine must make themselves familiar with all the
instructions contained in this manual and must adhere to them.
3. The operator must make himself familiar with all the safety instructions pertinent for
use of this machine (including those specific to the country of use) and must adhere to
them. The familiarisation must be documented and signed by the operator.
1.1.2. Duties of the entrepreneur:
Entrepreneur is a physical or legal entity who undertakes the work with this machine. The
entrepreneur is the guarantor of the safe use of the machine.
The entrepreneur must:
•appoint the operator and provide his training
•insure safe conditions for the use of the machine by the operator
•provide regular checks and maintenance of the machine
•ensure adherence to legal requirements for the safety of the work
•regularly check observance of safety regulations
•regularly check if the operator is using the machine in conformity with the
operator’s manual
1.1.3 Duties of the operator
Operator is a person which actually uses the machine to do the work for which the
machine is designed. The operator must fulfil the requirements as set in 1.1.1.
Operator must:
•thoroughly familiarise himself with the Operator’s manual and all safety instruction
required for the work
•comply with all instructions and requirements set in this manual
•comply with all safety regulations set for work with machinery
•acquaint himself with the work environment including safety instructions
•pay full attention to operating the machine whilst working
•demand regular checks and maintenance of the machine as prescribed by this manual
•demand from his employer securing of conditions conductive to upkeep of safety
regulations
•secure the machine against accidental movement and out of reach of unauthorised
persons when not working

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1.14. Using the machine
When using the machine the operator must comply with the following instructions:
1. Check the machine before use.
2. Before commencing work check if it is safe to start the machine with out endangering
the operator or other persons.
3. Use prescribed personal safety aids while working. (Helmet, earmuffs, safety shoes,
goggles, respirator, gloves…).
4. Do not start the machine in enclosed area.
5. While working monitor the machine for unusual sounds or smoke which may indicate
defect. When defect is indicated immediately stop the machine and call for expert
repair.
6. Always switch off the engine when refuelling. Take care that the fuel does not come
into contact with hot parts of the engine. Wipe out immediately any spillage.
7. !ATTENTION! It is important to immediately repair or change improperly sealed or
leaky fuel tank and lines. Improperly sealed or leaky fuel tank and lines may cause an
explosion.
8. It is necessary to provide an adequate supply of fresh air for the operator, when using
the machine in enclosed areas (tunnels etc.).
9. When finish working, switch off the engine and move the machine the secure place
and insure against unauthorized use.
1.1.5. Checkups, maintenance, service and repair
•regularly check the technical state of the machine.
•if fault or damage is discovered ensure expert repair.
•repair or service may bee carried out only by qualified personnel from a
manufacturer’s service organisation.
•it is prohibited to carry repairs or service at places where the safety of work is not
ensured and can be affected by outside impingement, such as falling objects, collision
with other machinery etc.
•changes and alteration to the machine can be carried out only with the explicit
agreement of the manufacturer!
1.2. Transporting the machine
1. Always transport the machine in a secured position
on its transport wheels.
2. When transporting secure the machine against
overturning, moving or falling off.
3. Never transport the machine with the engine running!

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1.3. Prohibited activities
When using the machine it is forbidden:
1. Using the machine for work other then for which is designed.
2. Operating the machine in other manners then those described in this manual.
3. Using the machine under influence of alcohol, narcotics or drugs and medicaments.
4. Using the machine whilst its running may endanger the safety or persons, property or
traffic.
5. Bring in to operation and work with the machine if any of the safety features are
dismounted or damaged. (Tool cover, rubber cover etc.)
6. Leave running or unsecured machine with out safeguarding it against unauthorised
use.
7. Use the machine if fuel, oil or any operating liquid is leaking.
8. Cleaning the machine while it is running.
9. Cleaning the machine with high pressure water.
10. To smoke or manipulate with naked flame while checking fuel or refuelling.
1.4. Hygienic instructions
Fuel, lubricants and operating media of various components of the machine (engine,
gearbox etc.) are substances hazardous to environment. At the end of its useful lifetime
they become hazardous waste. It is necessary to store, dispose or liquidate them in
accordance with appropriate rules or legislation pertinent to the country where the
machine is used.
!ATTENTION! Observe the rules and regulations pertinent to the country of use
concerning regular breaks. Guarantied level of acoustic power A L
WA,G=
108 dB.
1.5. Ecological instructions
Fuel, lubricants and operating media of various components of the machine (engine,
gearbox etc.) are substances hazardous to environment. At the end of its useful lifetime
they become hazardous waste. It is necessary to store, dispose or liquidate them in
accordance with appropriate rules or legislation pertinent to the country where the
machine is used.
1.6. Liquidating the machine at the end of its useful lifetime
When liquidating or disposing of the machine it is absolutely necessary to adhere to all
rules or legislation pertinent to the country where the machine have been is used.
The manufacturer can not be held responsible for damages to health or environment in
cases where all the above mentioned principles where not adhered to.

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1.7. Safety instruction for work with RK-10 Roofing Saw
When working with the machine the following instructions must be complied with:
1. It is prohibited to work with the machine with out the tool cover.
2. Person except the operator is permitted within the danger perimeter of the machine.
3 Start the machine only in the safety, non working mode. Ensure that the tool is a safe
distance off the ground.
4. Always change the tool with the machine in secure position with the engine switched
off.
5. Observe all general rules of safe work.
2.
TECHNICAL DATA AND DESCRIPTION OF THE MACHINE
2.1. Description of the machine
The RK 10 Roofing Saw is primarily designed for cutting bituminous roofing materials
with two or four TC tips dia. 300 mm blade.
RK 10 Roofing Saw (further only saw) consist of an undercarriage, driving head with two
bearings, drive shaft, pulley, two flanges and M20 fastening nut. On the undercarriage is
mounted an engine with pulley two V belts and a cover. The engine mounting bolts are in
slots in the undercarriage to facilitate belts tightening. The swivelling tool cover with a
front traversing wheel is also mounted on to the undercarriage. The position of the tool
secured by a mechanical brace on a steel rod with threaded control close to the
handlebars. The handlebars are mounted on four flexible bocks.
2.2. Technical specifications
Dimensions (l x h x w)
900 x 500 x 950 mm
Weight
51 kg
Tool diameter
300 mm
Main spindle rpm.
3000 rpm.
Engine
HONDA 1 cyl, 4-stroke
Engine rpm.
3600 ot.min
-1
Max. power
4.0 kW (at 3600 rpm.)
Type
GX 160
Fuel
Natural 95
Level of acoustic power A Lwag 108 dB

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2.3. Primary operative parts of the machine
Pic. 1 Description of operative parts
1 – Main frame
2 – Engine
3 –Engine cover + air intake cover
4 – V belt cover
5 – Undercarriage
6 – Tool cover
7 – Mechanical brace with adjusting rod
8 – Handlebars

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3. BEFORE STARTING
3.1. Visual check up of the machine state
Regularly (before commencing work) check:
•all covers and safety features (overall state of machine)
•inside of the cover (check for fouling)
•all screwed joints
•sealing of fuel and lubrication system
•cleanness of air filter (see engine manual)
•oil level (see engine manual)
•fuel level (HONDA– Natural 95)
•state of tool’s wear
Remedy all faults or fouling before commencing work!
4. WORKING WITH THE MACHINE
4.1. Mounting of the tool
!Attention! Before any manipulation check if the engine is switched off. When changing
the tool you can tilt the machine on its handlebars to 45°.
1. Loosen the M 20 nut on the tool spindle and take off the outside flange.
2. Mount the tuck point or crack chaser with bore 25,4 mm on the spindle and remount
the flange. Check the indicated sense of rotation.
4. Retighten the M20 nut.
4.2. Working with the machine
!ATTENTION! Never start the engine if the tool is touching the ground.
1. Pull and depress the handlebars towards you and lift the machine to upper
transporting position, the brace will click in a secure the position. Make sure that the
tool is not touching the ground, if yeas, adjust with the threaded rod.
2. Bring the machine above the intended cut.
3. Start the engine (see the engine manual), set the throttle to maximum revs.
4. Pull the handlebars and the rod (it will release the mechanical brace) and slowly
lower the machine. Set depth of cut by the knob on the rod. Lock the rod in the set
depth by the plastic locking ring.
5. Move the machine slowly and steadily forward.
6. When the cut is finished repeat step 1 and set idling revs, move the machine to next
cut, slightly tilt the machine and pull the rod, lower the machine in the cut, it will cut to
the depth preset in step 4.

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4.3. Termination of work
1. Stop the engine and shut off the fuel, implement all steps described in the engine
manual.
2. Clean the machine including the inside of the tool cover and check the wear of the tool.
3. Store the chaser in safe and dry place.
5. MAINTENANCE
The basic steps of preventive maintenance described in this manual can be carried out by
the operator appointed by the entrepreneur. We recommend that all repairs and
adjustments beyond the scope of this manual are carried out by authorised service centre.
!ATTENTION! In the guarantee period it is prohibited to interfere with the engine and
power transmitting components in any manner whatsoever!
!ATTENTION ! It is prohibited to change the rev setting in any way!
5.1. Cleaning of the machine
Regular cleaning prolong the life of the machine its components and tools. After finishing
work clean the machine from dust and dirt by wet cloth or air before storing. Never use
pressurised water for cleaning.
5.2. Checking screw joints
Check the tightness of screw joints before every start of the machine. Regularly check the
tightness of tool fastening nut.
5.3. Engine maintenance
See engine manual.
Take extra care about cleanness of the engine and its cooling fins. Dirty engine=short life.
Clean the air filter regularly even during single shift if necessary. If the chaser is not used
in two month, change the oil.
5.4. Tool maintenance
Regularly check the wear and soiling of tools. If the TC tips are almost worn off, change
the tool.
5.5. Inspection of tautness of V belts
Regularly check the tautness of the V belts. The deflection of the V belt under the
pressure of an index finger should be approximately 20 mm.
If the v belts needed to be drawn tauter proceed as follows:
Always carry this operation with cold, switched off engine.
1. Loosen the four bolts by which the engine is mounted on the undercarriage.
2. Push the engine backwards.
(You can check the tautness of the belts trough the hole in the V belt cover.), Retighten
the bolts