Laski ATR 90 Operating Instructions Manual Download Page 23 | Manualshive

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Laski ATR 90 Operating Instructions Manual Download Page 23

TRENCHER

ATR 90

23

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 turn, loosen the lock

nut and turn the tensioning bolt as needed to reach the required
slack. Afterwards, screw up the lock nut and the fixing bolts on the

bar again.

Chain Change

Release the chain bar, see the aforesaid instructions. Unscrew the tensioning bolt in
order to reach maximum chain slack. Disengage the corresponding coupler link

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Summary of Contents for ATR 90

Page 1: ...Version 03 2017 OPERATING INSTRUCTIONS TRENCHER ATR 90...

Page 2: ...d for doing checks and other actions on the machine Your local dealer will give you this manual with instructions for operation and maintenance while taking this new machine over Make sure if you unde...

Page 3: ...NS 13 TECHNICAL DESCRIPTION 13 TRANSPORT 14 PRODUCT DELIVERY 15 HANDLING 15 USE 16 HANDLING AND STORAGE 16 CHECKS BEFORE OPERATION 17 COUPLING TO CARRIER 17 TRENCHING 18 PUTTING INTO OPERATION 19 EMER...

Page 4: ...TRENCHER ATR 90 4...

Page 5: ...wing form 1 concerning the given product and your dealer Basic product data Type of product Serial number of product Dealer s address Address of authorised service Date of delivery Warranty expiration...

Page 6: ...ure up to 10 MPa and oil flow of 70 l min Not Allowed Use The trencher is not allowed to be used for trenching in soils with glass cullet metal subjects bars wooden pieces stony debris rubbish etc or...

Page 7: ...essary operating and ancillary space is free and safe Before working learn all functions of individual controls If necessary contact your dealer and ask him for operator s training The operator is obl...

Page 8: ...machine on the plot the cutting chain bar must be set horizontally and the machine operator should stand in the given attendant s place The manufacturer does not bear responsibility for any damages o...

Page 9: ...ys a proper head piece Otherwise such a person is not allowed to operate this machine While working wear always personal protective equipment protecting shield or goggles protective gloves working sho...

Page 10: ...s situation a corresponding respiratory mask should be worn LIGHTING Operate this machine only at daylight or with sufficient lighting in the workplace Work Safety Symbols This article introduces work...

Page 11: ...tion hearing protectors and protective gloves Warning Rotating auger Hit and pull in hazard Keep safety distance from turning parts Warning Keep safety distance from chain bar in motion 7 8 9 10 11 12...

Page 12: ...HER ATR 90 12 13 14 15 16 Wear protective gloves Wear ear protection Wear face protecting shield Wear steel toe protection boots Fig 5 Work safety symbols on the machine Work safety symbols on the mac...

Page 13: ...hing It serves also as a fixed point at displacement of the machine The auger puts the soil aside approximately 15 cm from new trench The chain bar is height adjustable according to the carrier actual...

Page 14: ...his trencher can be transported to site either on a trailer or on a low bed truck For shorter distances it is also possible to let the machine coupled to the carrier Loading unloading Always perform t...

Page 15: ...ecyclable dispose it according to valid local regulations While putting the machine aside e g at reloading we recommend to place it under a shelter While unloading put the product always on a solid an...

Page 16: ...hine while working Do not put the chain bar on a hard base concrete For putting the bar aside use a wooden board Check up hydraulic lines for tightness and integrity Before coupling check up contact a...

Page 17: ...itted as left and right Check up hydraulic hoses for wear and tightness Replace them if necessary or every four years at least It is strictly forbidden to start working with removed guards It is not a...

Page 18: ...her resp its chain bar should be approximately 20 cm above ground Let both plates interlock and insert the safety pins of the carrier plate through the holes on the trencher plate They should go freel...

Page 19: ...on Do not use the machine under conditions of low visibility especially at foggy weather when you may overlook persons coming Operate it only at daylight or with sufficient lighting Every operator of...

Page 20: ...always necessary to adapt the carrier speed forwards to on site conditions particularly to real properties of the soil Local conditions and soil properties may considerably differ First set the carrie...

Page 21: ...n functional safety elements switches dead man control Emergency Situations If any person or animal approaches the working area while trenching within a 20 metre radius of the machine then stop workin...

Page 22: ...d right by means of two steel bolts on the chain link The tips can be changed in singles any time according to their wear Should the tips be changed be aware of their alternating direction left and ri...

Page 23: ...xing bolts Tensioning bolt with lock nut Loosen the fixing bolts approximately by turn loosen the lock nut and turn the tensioning bolt as needed to reach the required slack Afterwards screw up the lo...

Page 24: ...Lubrication should be at more frequent intervals if the machine is used in more dusty severe operating conditions Grease nipple located on the auger and chain drive shaft Maintenance Intervals Every...

Page 25: ...ge SERV ICE Insufficient chain performance Hydraulic oil overheated Insufficient cooling let the machine run idle and in this way oil cool down Faulty hydromotor Change Chain creeping on drive wheel t...

Page 26: ...TRENCHER ATR 90 26 Appendices HYDRAULIC CIRCUIT Hydraulic circuit of this trencher...

Page 27: ...Disobedience to instructions for use Damage of the machine caused by faulty handling maintenance or overloading This warranty does not cover faults resulted from damages caused by the user This warra...

Page 28: ...TRENCHER ATR 90 28 Service Report...

Page 29: ...TRENCHER ATR 90 29 LASKI s r o 798 17 SMR ICE 263 CZECH REPUBLIC tel fax 00420582381152 e mail info laski cz http www laski cz...

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