Cembre RDS-20P Bedienungsanleitung

RAIL SAW

ENGLISH

18 M 187 E

PATENT

PENDING

RDS-20P

RDSC-20P

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 retardant 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 cutting in order to avoid hazardous

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.

Keep hands away from the danger zone

• Carefully follow the safety instructions 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 retardant

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 remove 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 bCbFil b h i

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 cover

– Foot

– Nameplate

– Support arm pin slot

– Silencer / muﬄer

– (EasyStart) Decompression valve

– Combustion engine

– Abrasive cutting disc ﬁxing

Descriptions and possible conﬁgurations:

REFERENCE

RAIL SAW STANDARD

SUPPORT ARM

FOR GIRDER RAILS

RDS-20P

RDSC-20P * •

SA-RDS •

SAY1-RDS •

RDS-20P-SA

RDSC-20P-SA * ••

13 – Measure for petrol-oil mix

14 – 4mm Allen key for removing side cover

15 – Starter cord grip

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)

* RDSC...type rail saws are provided with a support arm ignition control, it works only

if mounted on the support arm. If the rail saw is not mounted onto the support arm,

an automatic cut-oﬀ device stops the engine!

FIG. 1

3.1) General Characteristics:

RDS-20P RDSC-20P

Application range Rail saw is designed to cut rail with suitable abrasive disc

support arm ignition control NO YES

dimensions refer to Fig. 2 , page 31

weight kg (lbs) 18 (39.6)

Cutting group

n° of revs of drive shaft RPM 4700

drive shaft diameter mm (inch) 25,4 (1) *

max. diameter of cutting disc mm (inch) 406 (16)

max. cutting depth mm (inch) 140

Combustion engine

type Husqvarna, 2 stroke, single-cylinder, air cooled,

electronic start, 5-stage air ﬁlter

displacement cm3(cu.inch) 119 (7.26)

bore / stroke mm (inch) 60 mm (2.36) / 42 mm (1.65)

power kW (HP) 5,8 (7.8)

n° of revs idling RPM min. 2700 - max. 9300 ± 150

tank capacity

litres (US Pint)

1,25 (2.65)

carburettor Walbro WG 9

spark plug CHAMPION RCJ6Y, NGK BPMR7A or equivalents

fuel petrol mixture

clutch centrifugal with automatic intervention

start by cord pull with automatic rewind

Acoustic noise (1) dB LpA 105,5 (A) LpCPeak 121,3 (C) LWA 116 (A)

Vibration (2) m/s211,42 max.

* If necessary it is possible to use abrasive discs with a 7/8“(22.2 mm) ﬁxing hole (ref. to § 3.3.1 for details).

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

LpA = weighted continuous acoustic pressure level equivalent.

LpCPeak = maximum value of the weighted acoustic displacement pressure at the work place.

LWA = acoustic power level emitted by the machine.

(2) Directive 2006/42/EC, annexe 1, point 2.2.1.1

Weighted root mean square in frequency of the acceleration the upper limbs are exposed to for each biodynamic

reference axis. Tests carried out in compliance with the indications contained in EN ISOS 5349-1/2 Standard, and

under operating conditions much more severe than those normally found.

3.2) Safety devices on the machine

ONLY FOR RDSC-20P TYPE: The rail saw must be started only when mounted on the

support arm otherwise the engine will be stopped by a cut-oﬀ device.

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 can-

not be activate 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): it locks the accelerator in start-up position when

the engine is cold. 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 position

3.3) Abrasive cutting discs

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

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

bonded abrasives.

Standard discs with 1 “(25.4 mm) mounting hole:

DISC

TYPE

Dimensions

diameter x thickness x hub

mm (inch)

(RPM)

Peripheral

speed

(m/s)

Note

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

CRDL6401 406x4.0x25.4 (16”x5/32”x1”) 4800 100 standard

Available discs with 7/8 “(22.2 mm) mounting hole:

CRDL4387 355x3.8x22.2 (14”x5/32”x7/8”) 5500 100 see § 3.3.1

CRDL6407 406x4.0x22.2 (16”x5/32”x7/8”) 4800 100 see § 3.3.1

– 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 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.

3.3.1) Use of 7/8 “abrasive cutting discs

The rail saw is designed to be used in combination with abrasive discs with a 1 “(25.4 mm)

mounting hole. If necessary it is possible remove the centering ring mounted on the shaft and

use discs with a 7/8 “(22.2 mm) mounting hole.

Removing the centering ring:

- Insert a ﬂat blade screwdriver into the

splitting (1) of the centering ring so as

to extend it and remove the ring from

the hub (2).

- To reassemble it, simply push the ring

on the hub until it stops.

ATTENTION: during the centering ring reassembly, the ﬂanged side must be

turned towards the support plate (D).

Remove centering ring from

the hub to use disc with

7/8“(22.2 mm) mounting

hole.

to use disc with 1“(25.4 mm)

mounting hole.

centering ring

already mounted

NO OK

NEVER USE CUTTING DISCS WITH A 1” (25.4 mm) HOLE WITHOUT CENTERING RING

MOUNTED ON THE SHAFT. THIS COULD CAUSE SERIOUS DAMAGE TO THE MACHINE AND

DANGER TO PERSONAL SAFETY.

ﬂanged side

hub

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-Excessiveoverheatingwith consequentseizingoftheengine,shouldthemixturebe oildeﬁcient.

4.2) Refuelling

Always refuel with the engine switched 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 a 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.

Dieses Handbuch passt für folgende Modelle

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