Cembre RDS-14P Manuale utente

RDS-14P

RDS-14P.78

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RAIL SAW

ENGLISH

14 M 113 E

PATENT

PENDING

Before using the machine, carefully read the instructions

contained in this manual.

SAVE THESE INSTRUCTIONS: this manual contains important

safety and operating instructions for the machine.

It is mandatory to wear approved personal protective equip-

ment, such as:

- Flame retardent clothing.

- A helmet, goggles or face shield.

- Gloves

- Airway protective mask.

- Ear protectors.

- Boots with anti slip soles and steel toe-caps.

Theuserisresponsibleforthemachineandmustbeproperly informed

about its use and the risks arising from improper use, which could

cause injury or even death.

Comply with appropriate rest periods and avoid prolonged exposure

to vibrations and noise.

Duringcutting,dustandwasteparticlesarereleased,includingexhaust

gas and petrol fumes, which can be inhaled.

Keep the rail saw ﬁrm during manual cutting in order to avoid hazar-

dous kickback.

When cutting, hot sparks ﬂy oﬀ which can cause ﬁre when in the

presence of ﬂammable material such as dry grass, petrol, wood, etc.

When the machine is turned on, pay attention to the rotation of the

power take oﬀ gear.

Keep hands away from the danger zone

• Carefully follow the safety instrucrtions set out by Cembre. Failure to observe these

warnings and the incorrect or improper use of the RAIL SAW may cause serious injury to the

operator and others close by.

• Always use personal protective equipment provided by your employer as result of a risk

evaluation prescribed by current national safety legislation, including: flame retardent

clothing, goggles or face shield, ear protectors, helmet, gloves, boots with anti slip soles

and steel toe-caps, airway protective mask.

• Anyone who uses or operates the RAIL SAW must first read this user manual carefully

and be familiar with the controls. The machine should only be used by trained, competent

personnel.

• Do not use the RAIL SAW for purposes other than those intended by Cembre or for

grinding operations using the side surface of the cutting disc as this may break and

cause serious injury. Never use a machine that is faulty, has been tampered with or

which has been modified from its original form.

• Control the surrounding area before operation; the safety distance around the RAIL

SAW for personnel not operating the machine should be at least 15 metres. Hot

sparks which fly off during cutting can cause fire if in the presence of flammable

materials such as dry grass, petrol, wood, etc.

• The RAIL SAW must only be used in conjunction with support arms supplied by Cembre.

• Never operate the RAIL SAW during personal ill health, when tired or under

the effects of alcohol, drugs or medicines which can alter the state of mind

and reduce reaction times; use good judgement in all situations.

• When operating, stand in a stable, secure position and grip the RAIL SAW tightly.

Be sure to work in good lighting conditions or with sufficient artificial lighting.

• Always keep a first aid kit and fire extinguisher on hand in order to intervene promptly

should if the need arise.

• Avoid inhalation of Petrol fumes and exhaust emissions which contain Carbon Monoxide,

an odourless lethal gas. Ensure good ventilation.

• The fuel and its vapours are extremely flammable.

FIRE AND BURN HAZARD.

• Turn off the engine before refuelling. Dry any spilt fuel.

If the fuel comes into contact with clothing, change the clothing immediately.

Do not start the engine within 3 metres of the refuelling area.

• During transportation, always remove the cutting disc from the RAIL SAW.

Cfllfll h f i i b

Fil b h

Main components (Ref. Fig. 1 page 5):

– Air ﬁlter spark plug cover

– Upper handle

– Safety guard (spark guard)

– Abrasive cutting disc (to be mounted)

– Transmission system side guard

– Foot

– Power Take Oﬀ for active arm

– Support arm pin slot

– Silencer / muﬄer

– (EasyStart) Decompression valve

– Combustion engine

– Abrasive cutting disc ﬁxing

– Slot for support arm reference pin

Descriptions and possible conﬁgurations:

(*) Rail saw suitable for cutting discs with hub diameter of 22.2 mm (7/8”).

RDS-14P

RDS-14P.78 * •

AA-RDS •

SA-RDS •

RDS-14P-AA

RDS-14P.78-AA * ••

RDS-14P-SA

RDS-14P.78-SA * ••

14 – 4mm Allen key for removing side guard

15 – Auxiliary switching device

16 – Multifunction spanner (torx + cut)

17 – Fuel tank cap

18 – Main ON/OFF switch

19 – Rear control handle

20 – Accelerator

21 – Safety lever

22 – Accelerator block

23 – Air valve control (starter)

24 – Starter rope grip

25 – Auxiliary switching device antenna

26 – Measure for petrol-oil mix

27 – Lanyard for auxiliary switching device

FIG. 1

3.1) General Characteristics:

– Application range: cutting rail with suitable abrasive cutting disc.

– Dimensions:................................................................................................... refer to Fig. 2 and 3, page 39

– Weight (without support arm or cutting disc):

.......................................................19

kg (41.8 lbs)

– Combustion engine:

– type: ..................................................................................................Husqvarna, 2 stroke, single-cylinder,

air cooled, electronic start, 5-stage air ﬁlter

– displacement:............................................................................................................... 119 cc (7.26 cu.inch)

– bore/stroke:................................................................................................ 60 mm (2.36”) / 42 mm (1.65”)

– power: ........................................................................................................................................5.8 kW (7.8 HP)

– n° of revs idling: ..................................................................................min. 2500 - max.9750 ± 250 RPM

– carburettor: ..................................................................................................................................Walbro WG 9

– spark plug:............................................................... CHAMPION RCJ6Y, NGK BPMR7A or equivalents

– fuel:...............................................................................................................................................petrol mixture

– tank capacity: .........................................................................................................1.25 litres (2.65 US Pint)

– clutch:........................................................................................centrifugal with automatic intervention

– start: ................................................................................................... by rope pull with automatic rewind

– Cutting group:

– n° of revs of drive shaft: ................................................................................................................4,700 RPM

– drive shaft diameter (RDS-14P):............................................................................................ 25.4 mm (1”)

– drive shaft diameter (RDS-14P.78):...................................................................................22.2 mm (7/8”)

– max. diameter of suitable cutting disc:.............................................................................406 mm (16”)

– max. cutting depth:.................................................................................................................140 mm (5.5“)

–

Acoustic noise (Directive 2006/42/EC, annexe 1, point 1.7.4.2 letter u)

– The weighted continuous acoustic pressure level equivalent

A at the work place LpA is equal to...........................................................................................105.5 dB (A)

– The maximum value of the weighted acoustic displacement

pressure C at the work place LpCPeak is equal to....................................................................121.3 dB (C)

– The acoustic power level emitted by the machine

LWA is equal to..................................................................................................................................... 116 dB (A)

–

Risks due to vibration (Directive 2006/42/EC, annexe 1, point 2.2.1.1)

Tests carried out in compliance with the indications contained in UNI ENV 25349 and

UNI EN 28662 part 1st Standards, and under operating conditions much more severe

than those normally found, certify that the weighted root mean square in frequency

the acceleration the upper limbs are exposed

is 11.42 m/sec2max.

3.2) Safety devices on the machine

The safety devices supplied on the RAIL SAW and listed below must be fully functional and

checked before each use. If this is not the case do not use the machine and contact Cembre

for any repairs.

- ON/OFF SWITCH (18) this is found in a very visible

position and is easily operated. It is used for stopping

the machine normally or in emergency.

Ensure you are familiar with how to use the switch

(18) so that you can act promptly in case of emergency.

- ACCELERATOR (20): this is used to run the engine

to full operating speed. It can only be activated by

pressing the interlock lever at the same time (21).

- INTERLOCK LEVER (21): prevents accidental

activation of the accelerator which cannot be activated

without pressing this lever.

When the accelerator is released, the abrasive cutting disc continues to turn for some

time. Do not approach the cutting group until the disc has completely stopped.

- ACCELERATOR BLOCK (22): has two functions:

• it locks the accelerator in start-up position when the engine is cold.

• it locks the accelerator in maximum acceleration position.

This function must only be used in automatic

mode with the AA-RDS automatic support arm.

The accelerator block (22) can only be

activated by pressing the accelerator (20)

and the interlock lever (21) at the same time.

Once activated, press the accelerator down.

- SAFETY GUARD (3) designed to protect the operator from fragments and sparks

which ﬂy oﬀ during cutting. Push the handle forwards or backwards to ﬁnd the most

eﬀective position.

Never use the RAIL SAW

without the safety guard or when

the guard is damaged!

start up and

max.acceleration positions

3.3) Auxiliary switching device

STOP button (1)

(switches the rail saw oﬀ)

RESET button (2)

(stops the air ﬁlter cleaning alarm)

Protective rubber case

TECHNICAL DETAILS:

frequency: 433 Mhz

max. distance: 5 metres

power: CR2032 Lithium cell battery

dimensions: 48x20xh107 mm

weight: 54 g

Item code: 6003788

The device supplied with the rail saw has 2 main functions:

- Switching off the machine: the main control for turning off the rail saw off is the

switch (18) on the machine itself. The machine can also be turned oﬀ with the auxiliary device

by simply moving towards it while pointing the device and pressing the STOP button

(1).

- Reset of the air ﬁlter cleaning alarm: after turning oﬀ the machine, when the alarm

has been triggered, point this device at the machine and press the yellow

RESET button (2) 3 times in succession in order to reset the alarm code. With each pulse

the machine will beep in recognition.

If the device is not able to control the machine:

– check there are no obstacles between the device and the machine.

– move much closer to the machine, it is likely that you are out of range.

– fully accelerate the machine for at least 10 seconds.

– replace the old battery (mod. CR2032) with a new one.

• Replacing the battery:

– Remove the rubber case by pulling it oﬀ from the aerial side.

– Press down on the rear compartment cover while sliding it in the direction of the arrow.

– Remove the dead battery and insert a new one, making sure it is the right way up.

– Replace the cover and the protective rubber case.

If it is expected that the device will not be used for a long time, it is advisable to remove the

battery in order to avoid damage caused by possible leaks and corrosion.

Batteries must be disposed of separately to other waste in accordance with local sta-

tutory requirements.

Aerial

Hook

Battery

compartment

Cover

REAR

VIEW

3.4) Abrasive cutting discs

For maximum performance, use the rail saw in conjunction with the high quality C-Rex range

Cembrediscs listed below, in compliance with the requirements of the standard EN 12413 for

bonded abrasives:

DISC

TYPE

Dimensions

diameter x thickness x hub

mm (inch)

(RPM)

Peripheral

speed

(m/s)

Compatibility

with rail saw

type:

CRDL4387 355x3.8x22.2 (14”x5/32”x7/8”) 5500 100 RDS-14P.78

CRDL4381 355x3.8x25.4 (14”x5/32”x1”) 5500 100 RDS-14P

CRDL6407 406x4.0x22.2 (16”x5/32”x7/8”) 4800 100 RDS-14P.78

CRDL6401 406x4.0x25.4 (16”x5/32”x1”) 4800 100 RDS-14P

– The RPM shown on the abrasive cutting disc label must be equal to or higher than that

produced by the rail saw.

– Never use the rail saw for grinding operations on the side surface of the disc, as it may break

and cause serious injury.

– The cutting discs must only be used for cutting suitable materials.

– During transportation and storage of the rail saw, always remove the cutting disc and lay

it on a ﬂat surface in a dry place protected from frost and moisture.

– Always tighten the ﬁxing screw of the cutting disc with a 20-25 Nm torque, to prevent the

disc from loosening.

– Worn or broken discs must be disposed of in compliance with local statutory requirements.

Always, use good quality cutting discs with a diameter

of 355 mm (14”) or 406 mm (16”) marked “RAIL” speciﬁc for

rail cutting.

The cutting disc may only be replaced when the engine

is switched oﬀ!

Never use a cutting discs designed for a lower rpm than

that of the rail saw.

Never use a cutting disc beyond its expiration date, if

indicated.

Before using a cutting disc always check it is completely

free from damage.

A simple test for verifying the integrity of a cutting disc is to hold

it in the air and gently tap it with a screwdriver or a piece of wood;

an intact disc will produce a low drumming tone.

4.1) Fuel mixture preparation

Risk of explosion or ﬁre, petrol is extremely ﬂammable, handle with caution.

Risk of intoxication, avoid inhalation of petrol vapours.

Risk of irritation, avoid prolonged and repeated contact with skin.

The rail saw has a 2-stroke air cooled engine which runs on an oil-petrol mix; for the correct

dosage of oil use the measure supplied, according to the following proportions:

1:50 (2 %) of specialist synthetic 2 stroke engine oil (e.g. 5 litres of petrol,

0.1 litres of oil).

Alternatively:

1:33 (3 %) of other 2 stroke engine oils for air cooled engines classiﬁed

according to JASO FB/ISO EGB (e.g. 5 litres of petrol, 0.15 litres of oil).

Always use good quality 2 stroke engine oil and a minimum 90 octane Petrol.

Mix petrol and oil together well and prepare only enough for immediate use as the mixture will

age and if several weeks old may cause engine damage.

Always use the correct fuel mixture to avoid:

1 - Smoking engine and dirty spark plug, should the mixture be too oil rich.

2 - Excessive overheating with consequent seizing of the engine, should the mixture be

oil deﬁcient.

4.2) Refuelling

Always refuel with the engine swiched oﬀ.

Place the rail saw on its side with the tank cap facing upwards.

Using a non-spill fuel container, slowly add the mix, making sure not to spill it;

Always perform refuelling in an well-ventilated area away from the work zone, keeping

a safe distance of at least 3 metres (10 ft).

Use only a non-spill fuel container.

In the event of spillage during topping up, carefully dry the engine before turning it on. Fully

tighten the fuel cap.

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