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Becx Machines HS75HR User Manual Download Page 23

 Hedge trimmer 

Type: HS75HR 

 Version: 01 

July 2019 

 

Page 23 of 35 

No. 

What to do 

Action 

Result 

1 

Inspect the drive 

 

Check the following parts for damage, cracks, and play: 

 

The nylon coupling sleeve. Usage or overloading can 
cause wear marks and/or break the sleeve. 

 

The bearing and seal 

 

The blade axle. 

 

 

 

 

Summary of Contents for HS75HR

Page 1: ...Hedge trimmer Type HS130HR Version 04 July 2019 Hedge trimmer HS75HR User manual ...

Page 2: ...ding electronically or otherwise without the prior explicit written permission from Becx Machines B V Becx Machines B V retains the right to change parts of the system and the contents of this manual at any time without prior notification giving or immediate notice to the customer Becx Machines B V takes the greatest care to guarantee an accurate and where necessary complete description of all par...

Page 3: ...ong lifespan even under the most demanding circumstances Each blade head has its own hydraulic motor The axles and the bearings are heavy duty Please read this manual carefully before you use the hedge trimmer Always observe the safety requirements as set out in Section 2 A copy of this manual must be kept with the hedge trimmer and be available to the user All important maintenance work and relev...

Page 4: ...3 OPERATING PERSONNEL 9 2 4 WARNING SYMBOLS ON THE MACHINE 10 3 DESCRIPTION OF COMPONENTS 11 3 1 MECHANICAL COMPONENTS 12 3 2 HYDRAULIC COMPONENTS 14 3 3 HYDRAULIC DIAGRAM 15 4 OPERATION 16 4 1 ASSEMBLY AND ADJUSTMENT OF THE HEDGE TRIMMER 16 4 2 CARRYING OUT THE TRIMMING WORK 18 4 3 STORAGE 21 5 MAINTENANCE 22 5 1 REPLACING AND OR SHARPENING THE BLADES 24 5 2 TIGHTENING TORQUES 29 6 MALFUNCTION AN...

Page 5: ...r with respect to this declaration conforms to the provisions of the Directives Machinery directive 2006 42 EC In accordance with the following standards NEN EN 12100 Safety of machinery Basic concepts general principles for design NEN EN ISO 4413 Hydraulic fluid power General rules and safety requirements for systems and their components NEN ISO 4254 1 Agricultural machinery Safety Part 1 General...

Page 6: ...2019 Page 6 of 35 Overview of symbols All actions and situations risking the safety of the operator and or technician and where actions must be carried out carefully will refer to the following symbols in this user manual Take note Explanation ...

Page 7: ...odification piece optional 70 70 mm The force on the attachment point see Figure 8 1 N Suspension torque see Figure 8 2 Nm Connection details Maximum operating pressure 180 bar Maximum revolutions 3000 min Maximum oil flow at 3 000 RPMs 28 L min Pressure line connection flat face quick release coupling 1 2 Return line connection flat face quick release coupling 1 2 Leak line connection flat face q...

Page 8: ... at ground level There is a high risk that the blades come into contact with the ground and or obstacles due to the construction of the hedge trimmer If people or animals approach or enter the safety zone the hedge trimmer and the work activities must be stopped immediately see 4 2 This also applies to situations where the hedge trimmer will be switched on for testing after maintenance etc If pass...

Page 9: ... see 4 2 To prevent damage to the installation the device must be gradually switched off using the lowest RPMs Depending on the tool holder used this is idling speed or the minimal flow 2 3 Operating personnel Operating personnel must be older than 18 years of age Only individuals authorized by the owner may work on or with the installation Operators may only perform work activities that they are ...

Page 10: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 10 of 35 2 4 Warning symbols on the machine 1 Cutting danger 2 Read the manual before you use the machine 3 See safety zone 4 2 ...

Page 11: ...t of the delivery It is the user s responsibility to ensure that a suitable support arm is used for the hedge trimmer 2 Hedge trimmer The hedge trimmer can be used horizontally vertically and in all intermediate angles 3 Tool holder The tool holder is not part of the delivery It is the user s responsibility to ensure that a suitable tool holder is used for the hedge trimmer 1 2 3 ...

Page 12: ...gle can be set see paragraph 4 1 3 Hydraulic motor 3 Each blade head is driven by its own hydraulic motor 4 Inlet side During trimming the twigs to be cut enter the inlet side through the protective flaps of the PUR SH 90 A near the blade heads 5 Blade head 3 Each blade head has four blades The two blades on the lower layer cut the hedge twigs The two blades on the upper layer shred the sprigs int...

Page 13: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 13 of 35 Figure 4 Dimension sketch of blade path Figure 5 Dimension sketch of cover seal front side Material PUR SH 90 A ...

Page 14: ...ree motors are linked in series such that the hedge trimmer can be connected with one supply line outlet line and leak line The rotation direction is safeguarded with a built in non return valve 2 Leak line quick release coupling A separate leak line on the tool holder returns the leaked oil from the motors to the hydraulic generator 3 Supply line quick release coupling The hydraulic oil is suppli...

Page 15: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 15 of 35 3 3 Hydraulic diagram ...

Page 16: ...able enough for the hedge trimmer see Figure 8 and Section 0 1 Technical details for the unladen weight the load in the nesting place Figure 8 1 and the resulting torque in the nesting place Figure 8Figure 8 2 Ensure that the maximum pressure and rotational speed oil flow cannot be exceeded Ensure the correct quick release couplings are attached for the supply return and leak lines Ensure that the...

Page 17: ... 3 so that the cover hangs horizontally when it is tilted up The optimal trimming result is achieved when the underside of the protective cover is parallel to the cutting surface 3 Connect the hoses Connect the quick release couplings for the supply return and leak lines see Figure 7 4 Adjust the oil supply Adjust the generator for the tool holder so that the maximum pressure and rotational speed ...

Page 18: ... overview of safety zone up to one meter cutting height in horizontal position Cutting height safety radius Safety distance at the front 0 1 m 5 m 10 m 1 1 1 2 m 6 m 11 m 1 2 1 3 m 7 m 12 m 1 3 1 4 m 8 m 13 m 1 4 1 5 m 9 m 14 m 1 5 m 10 m 15 m Table 1 Cutting height safety distance in horizontal position ...

Page 19: ...zone up to one meter cutting height in vertical position Cutting height safety radius Safety distance at the front 0 1 m 10 m 10 m 1 1 1 2 m 11 m 11 m 1 2 1 3 m 12 m 12 m 1 3 1 4 m 13 m 13 m 1 4 1 5 m 14 m 14 m 1 5 m 15 m 15 m Table 2 Table cutting height safety distance in vertical position ...

Page 20: ... may cause damage to the installation and or injure the operator or bystanders 2 Check the work area Check the hedge to be trimmed and the surrounding area on the following points Are obstacles present that could be damaged by the hedge trimmer or that could cause damage to the hedge trimmer Are there any loose elements such as litter loose iron wire and so on Ensure that there are no people or an...

Page 21: ... The hedge trimmer and the work activities must be stopped immediately in the following situation People or animals approach or enter the five to ten meter safety zone around the hedge trimmer See Figure 9 and Table 1 The driver must make this assessment People or animals approach or enter the five to ten meter safety zone in front of the hedge trimmer See Figure 9 and Table 1 The driver must make...

Page 22: ...e of mechanical and hydraulic installations may perform the maintenance work Figure 11 Lubricating points Weekly maintenance No What to do Action Result 1 Lubricate blade head Spray grease in the grease nipples of the blade heads see Figure 11 See Section 0 1 Technical details for grease specifications 2 Check blade bolts Check the fastening bolts the locking rings and the lock bolts of the blades...

Page 23: ...19 Page 23 of 35 No What to do Action Result 1 Inspect the drive Check the following parts for damage cracks and play The nylon coupling sleeve Usage or overloading can cause wear marks and or break the sleeve The bearing and seal The blade axle ...

Page 24: ... fastening parts must be replaced when any sort of excessive damage and or wear is discovered The minimum wear threshold for the knife ring is shown in illustration 12 It is not the intention that the knife rings are only replaced when these are less than the wear threshold For reasons of safety the knife rings must be replaced together with a new set of blades bolts rings and nuts If these necess...

Page 25: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 25 of 35 Blade standard dimensions Blade minimum dimensions ...

Page 26: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 26 of 35 Blade minimum dimensions Blade standard dimensions ...

Page 27: ...nd tighten the hexagon socket head screw to the 5 2 specified torque 3 Lock the blade bolt Place the locking ring Figure 13 3 over the bolt and put the locking nut Figure 13 2 on the bolt Tighten the locking nut to the 5 2 specified torque Ensure that the bolt does not turn loose by holding it in place with a socket wrench 4 Test rotation Once the blades are fitted always test that these rotate pr...

Page 28: ...HS75HR Version 01 July 2019 Page 28 of 35 Fitting the blades No 1 Fit the blades and knife rings No 2 Secure the blade bolts Important Ensure that the blades are mounted correctly FLAT side goes up and down See Figure 13 ...

Page 29: ...14 Tightening torques Four locking nuts M12 Torque 85Nm Four hexagon socket head screws M12 Torque 85Nm One locking hexagon socket head screws M8 Torque 26 Nm Four hexagon socket head screws M8 Torque 26 Nm One flange nut M30 Rotate until the torque is reached as allowed by the provided tool ...

Page 30: ...n change this using the quick release coupling to switch the pressure and return hoses on the trimmer 4 The machine works the blades rotate in the correct direction and are sharp but the result is not optimal Check the rotational speed of the blade heads The rotational speed of the blades must be 2 500 RPMs 5 The machine operates as it is supposed to but the trimming is not flat Check that the tri...

Page 31: ... HS130HR Version 04 July 2019 7 Disposal When replacing components or at the end of the lifespan ensure that all materials are disposed of destroyed or reused in a legally responsible and environmentally friendly manner ...

Page 32: ...Maintenance work repairs replacements malfunctions and inspections The following must be signed for in this log book All annual maintenance work sheet 1 All repairs replacements sheet 2 Malfunctions sheet 3 Inspections sheet 4 Maintenance work Date Performed by Description ...

Page 33: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 33 of 35 Repairs replacements Date Performed by Description ...

Page 34: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 34 of 35 Malfunctions Date Performed by Description ...

Page 35: ...Hedge trimmer Type HS75HR Version 01 July 2019 Page 35 of 35 Inspections Date Performed by Description ...

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