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Summary of Contents for Laski ATR 90
- Page 1 OPERATING INSTRUCTIONS ATR 90 TRENCHER Version 03.2017...
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Page 2: Foreword
It is very important for you and your work safety to understand all instructions given in this manual. The firm Laski spol. s r.o. does not bear any responsibility for any claims resulting from disobedience to the instructions given in this manual. -
Page 3: Table Of Contents
ATR 90 TRENCHER FOREWORD ......................2 ..................5 RODUCT DENTIFICATION WORK SAFETY INSTRUCTIONS ..............6 ......................6 TILISATION ....................6 LLOWED ......................6 ENERALLY ....................9 ESIDUAL ISKS ..................10 AFETY YMBOLS ..................13 OISE AND IBRATIONS ................... 13 ECHNICAL ESCRIPTION ...................... - Page 4 ATR 90 TRENCHER...
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Page 5: Product Identification
ATR 90 TRENCHER Product Identification Our product is identified with its serial number stamped on the type plate placed in front of the machine jib. Upon the take-over of the product we recommend you to fill required data in the following form (1) concerning the given product and your dealer. -
Page 6: Work Safety Instructions
ATR 90 TRENCHER Work Safety Instructions Utilisation The trencher ATR-90, as an implement coupled to a power source (hereinafter referred to as carrier), facilitates trenching works at cables and pipelines lying in gardens, school yards and parks without moving too much earth. - Page 7 ATR 90 TRENCHER This machine is allowed to be operated only by an operator who is over 18 years old, physically and mentally capable and demonstrably instructed with its operation. This manual should be available and at operator's disposal any time.
- Page 8 Other problems and faults should be announced directly to the manufacturer, the LASKI Service Centre that is always ready to help you. Before any checks or servicing stop the engine, disconnect the spark plug cable and wait until any motion stops.
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Page 9: Residual Risks
ATR 90 TRENCHER Do not let the machine running at high speed unreasonably. Do not raise the auger or chain speed through changes in the gearings. Do not start this machine in confined or ill-ventilated spaces. Engine exhaust gases contain poisonous carbon monoxide. Carbon monoxide is odourless,... -
Page 10: Work Safety Symbols
ATR 90 TRENCHER heavy-duty gloves as to EN 388 full ear protection as to EN 352-3 close fitting heavy-duty fully protecting clothing steel toe protection boots as to EN 345 dust mask if the ground is very dry. NOISE The operating noise level depends fully on the used carrier. The keeper of this equipment is obliged to consult relevant exposition times of the operator with concerned local authorities. - Page 11 ATR 90 TRENCHER Read this Always follow Wear personal Warning! Keep safety Warning! Keep operating manual the manual while protective Rotating auger. distance from safety distance equipment – eye before use. maintaining, Hit and pull-in turning parts. from chain bar in...
- Page 12 ATR 90 TRENCHER Wear protective Wear ear Wear face Wear steel toe gloves. protection. protecting shield. protection boots. Fig. 5 Work safety symbols on the machine Work safety symbols on the machine...
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Page 13: Noise And Vibrations
ATR 90 TRENCHER Noise and Vibrations This trencher is not equipped with own combustion engine. As an implement it is intended for coupling to a carrier and any noise emissions of this machine depend only on the used carrier type according to its power unit and technical condition. -
Page 14: Transport
ATR 90 TRENCHER Technical Parameters Parametr Unit Value Overall length 1750 Overall width: Overall height: 270 – 300* Weight: Speed m/hod max. 40 Max. oil flow l.min Max. oil pressure 60 – 90, continuously Max. trench depth adjustable Trench width max. -
Page 15: Product Delivery
ATR 90 TRENCHER If uncoupled, you may use a lift truck or a tackle with min. carrying capacity of 500 kg. Any suspension is allowed only in the given lashing points. It applies also to lashing straps or other applicable lifting means. -
Page 16: Use
ATR 90 TRENCHER Precautions in Design Moving parts on this machine, particularly bar, chain and auger, are located beyond attendant’s reach. Main controls for machine operation are installed on the carrier. While trenching, the attendant must remain in the intended attendant’s workplace, i.e. -
Page 17: Checks Before Operation
ATR 90 TRENCHER Protect the product against oil products. Remove any spilled oil immediately and wipe off all oily spots. Keep the stored machine beyond unauthorised person's reach. Do not let the chain bar sink on a hard base (concrete) – for underlaying use a wooden board. -
Page 18: Trenching
ATR 90 TRENCHER Trencher coupling to a carrier Quick-acting clamping plate on trencher Any figuring as to coupling of the machine to a carrier is informative only. The given way of coupling depends always on the carrier actually used. To couple the machine to the carrier it is... -
Page 19: Putting Into Operation
ATR 90 TRENCHER Block the jib against unwilling sinking. Loosen the fixing bolts on the slider and set the required depth in its longitudinal grooves. Afterwards, tighten the bolts properly (see fig.). In the required depth the slider should follow the terrain contour and be in touch with the ground over its total length (see fig.). - Page 20 ATR 90 TRENCHER Avoid going with the carrier over contingent obstacles that could cause its damage. Avoid going or working on slopes with inclination exceeding the permissible limit of the carrier. Any transport to site or dislocation on site is allowed only with the chain drive off.
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Page 21: Emergency Situations
ATR 90 TRENCHER While working on slippery or muddy ground (not only icy) or on slopes, the carrier wheels may slip. In this case it is necessary to make continuous corrections for keeping the required trench line. If you heard any strange noise or vibrations or felt a strange smell while working, then turn off the engine and pull out the ignition key. -
Page 22: To Change Or To Tighten The Chain
ATR 90 TRENCHER Check up the hydraulic hoses for wear. Replace them if necessary or every four years at least. To Change or to Tighten the Chain Check up regularly the link chain for wear and proper tightening. The chain too much taut or conversely too slack brings also its shorter service life. - Page 23 ATR 90 TRENCHER To reach optimal slack of the chain, it is necessary to move the chain bar in the required direction as needed. First loosen its fixing bolts and turn the tensioning bolts in the required direction. Fixing bolts Tensioning bolt with lock nut Loosen the fixing bolts approximately by ¾...
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Page 24: Lubrication
ATR 90 TRENCHER (two pins with cotter key) and remove the chain from its idler and drive wheel. Set new chain in reverse order. Lubrication There is only one grease point on this trencher. The given grease nipple is located on the auger and chain drive shaft. -
Page 25: Failures And Troubleshooting
ATR 90 TRENCHER Every 500 hours Check out all hydraulic elements for condition, function and tightness. Failures and Troubleshooting Failure Cause Remedy Chain cannot be Hydraulic circuit broken Check all hydraulic lines set in motion and elements Faulty hydromotor Change... - Page 26 ATR 90 TRENCHER Appendices HYDRAULIC CIRCUIT Hydraulic circuit of this trencher...
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Page 27: Warranty
Any warranty claims must be submitted in writing with papers concerning acceptance for warranty or post-warranty repair. The company Laski s.r.o. reserves the right to make changes in design or in manufacturing assortment without prior notice. -
Page 28: Service Report
ATR 90 TRENCHER Service Report... - Page 29 ATR 90 TRENCHER LASKI, s.r.o. 798 17 SMRŽICE 263 CZECH REPUBLIC tel/fax: 00420582381152 e-mail: info@laski.cz http://www.laski.cz...
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