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Disconnecting the hydraulics:
Before disconnecting the fittings,  lower  the  attachment  on  solid  and level  surface.  Turn  the  control lever  of
the auxiliary hydraulics to its neutral position.

When  removing  the  attachment,  always  disconnect  the  hydraulic  couplings  before
unlocking the  quick  attach  plate,  to  prevent  hose  damage  and  any  oil  spills.  Reinstall
the  protective  caps  on  the  fittings  to  prevent  impurities  from  entering  the  hydraulic
system.

Releasing residual hydraulic pressure:
In case residual pressure is left in the hydraulic system of the attachment, it is often possible to disconnect
the hydraulic couplings, but it may be difficult to connect  them  the  next  time. If the fittings  will  not  connect,
the residual pressure must be released by turning the  auxiliary  hydraulics  control lever  of  the loader,  when
the engine is turned off. To make sure that there will not be residual pressure in the hydraulic system of the
attachment, shut down the loader engine and move the auxiliary hydraulics control lever of the loader before
disconnecting the couplings.

6.

 

Instructions for use

Once the concrete mixer bucket and its hydraulic hoses have been attached according to the instructions, it
is  ready for  work.  Read  the  following  instructions  about  work  site,  setting  up,  use  and  maintenance  of  the
concrete mixer.

Never  go  under  a  raised  boom  or  concrete  mixer  component.  Note  that  the  loader

boom can be moved even if the engine has been stopped.

Check  the  attachment  and  the  operating  environment  once  more  before  starting  the  machine.  Quick
inspection of the concrete mixer and the operating environment prior to use are a part of ensuring safety and
the best performance of the equipment.

 

Choose a level working site, which can carry the load of the equipment.

 

Operate  the  concrete  mixer  in  daylight  or  in  good  artificial  light  and  in  well  ventilated  areas.  All
obstacles  around  the  bucket  must  be  removed.  Remember  correct  working  methods  and  avoid
getting down unnecessarily from the loader.

 

Transport the mixer carefully and note the effect of weight at the front to the stability of the loader.

 

Make sure that the parking brake of the loader is engaged and that the attachment is supported on
the ground, so that it can not move when loading material by hand.

 

Check that the concrete mixer is intact and remove any material left in the bucket before starting the
mixer.Check  that  the mixing  shaft  can  rotate freely  and  that  there  is  no  material  coiled  around  the
shaft.

 

Check  regularly  to  ensure  there  are  no  hydraulic  leaks.  Refer  to  chapter  7  for  maintenance
instructions.

 

Ensure  that  the loader  and  the  attachment  are  used  in  a  safe  and  intended  manner.  Do  not  allow
children to operate the equipment.

 

Do not go near the equipment when another person is operating the loader controls.

Avoid  hazards  of  crushing  and  being  overrun  by

ensuring that the loader parking brake is engaged.

Use  the  equipment  only  on  level  surfaces  and

make  sure  that  the  equipment  will  stay  still

regardless  of  the  possible  movements  caused  by

the mixer.

Summary of Contents for A21406

Page 1: ...the equipment and follow all instructions Keep this manual for later reference Operator s Operator s Operator s Operator s manual for Attachment manual for Attachment manual for Attachment manual for Attachment Concrete Mixing Bucket Product number 500 700 series loaders A21406 ...

Page 2: ...afety symbol refers to important safety information in this manual It warns of an immediate hazard that could cause serious personal injury or damage to property Read the warning text accompanying the symbol carefully and ensure that other operators are also familiar with the warnings since personal safety is at stake This notice symbol indicates information about the correct operation and mainten...

Page 3: ... also be filled manually when the bucket is supported against the ground The attachment is suitable for handling concrete or other similar type of material The attachments have been designed to require as little maintenance as possible Regular maintenance tasks can be performed by the operator but certain more demanding tasks must be left to qualified professionals Appropriate protective equipment...

Page 4: ...s supported properly during storage periods Do not modify the structure of the attachment in a manner that would affect its safety Use the concrete mixer for its intended use only Check the mixing tools regularly Read the instructions on maintenance and servicing and only use original spare parts Also read the safety instructions for the loader in the loader manual Watch out for crushing hazard un...

Page 5: ...e of safety boots is recommended while working with the loader Wear protective gloves when handling hydraulic hoses Wear a dust mask when loading cement or operating in dusty conditions 4 Concrete mixer specifications Table 1 Concrete mixer technical data Product number A21406 Total width 1 590 mm Maximum input of hydraulic energy 70 l min 22 5 MPa 225 Bar Volume 270 l Recommended operating speed ...

Page 6: ...glement hazards between transmission components Chain drive do not operate without cover in place 5 Assembly of the concrete mixer The concrete mixers are delivered in working condition Attach the attachment and its hydraulic hoses according to the following instructions and choose a safe working area Read the instructions in this manual for mounting using and maintenance of the concrete mixer bef...

Page 7: ...up and turn them backwards into the slot so that they are locked in the upper position If your loader is equipped with a hydraulic attachment locking system see additional instructions about the use of the locking system from the relevant manuals Ensure that the hydraulic hoses are not in the way during installation Step 2 Turn the quick attach plate hydraulically to an obliquely forward position ...

Page 8: ...ifficult Never leave the hoses hanging on the ground place them on top of the equipment Connecting standard quick couplings Before connecting or disconnecting the standard quick couplings shut down the loader engine and move the auxiliary hydraulics lever on the loader to its extreme positions a few times This way there will be no residual pressure in the system and it is possible to connect the f...

Page 9: ...en if the engine has been stopped Check the attachment and the operating environment once more before starting the machine Quick inspection of the concrete mixer and the operating environment prior to use are a part of ensuring safety and the best performance of the equipment Choose a level working site which can carry the load of the equipment Operate the concrete mixer in daylight or in good art...

Page 10: ...t in a similar way as a regular concrete mixer keep the rotating speed of the mixing shaft low to avoid ejection of materials The concrete mixer is started by turning the auxiliary hydraulics control lever to its locked position Usually low engine rpm and 1 pump setting of the auxiliary hydraulics are enough Depending on the operating conditions the operating speed can be increased after the bucke...

Page 11: ...s suspected Finding any of these faults means that the hydraulic hose or component in question must be replaced Spare parts are available from your nearest AVANT retailer or service point Leave the service for professional maintenance if unsure how to perform the repair safely Never tighten a hydraulic fitting under pressure since the fitting may break and the released oil may cause serious injuri...

Page 12: ...pad is A412429 7 4 Checking and adjusting the drive chain Checking the condition and the tension of the chain must be done at least annually To check and adjust the chain place the bucket on a stable and even platform shut down the loader engine and disconnect the hydraulic couplings Make sure that during the work the bucket is supported so that it can not move at all Any movements of the mixing t...

Page 13: ...ents purchased by the customer in special cases that have been agreed in advance The warranty does not cover Normal maintenance work such as the replacement of blades or the belts or parts and consumables required for it Damages caused by unusual operating conditions or ways of use negligence structural changes made without the consent of Avant Tecno Oy use of non original parts or lack of mainten...

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Page 15: ...n conformity with the provisions of the Machinery Directive directive 2006 42 EC as amended The following harmonized standards have been applied SFS EN ISO 12100 SFS EN 982 SFS EN 12151 Wir erklären hiermit dass die nachstehend aufgeführte Maschine konform ist mit den Bestimmungen der EG Maschinenrichtlinie EG Richtlinie 2006 42 EG mit Änderungen Die folgende harmonisierte Normen wurden angewandt ...

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