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During the warranty period, use only the manufacturer’s 

consumables and spare parts.  

 
The  detailed  list  of  maintenance  operations  can  be  found  in  the  "Maintenance  and  inspections" 
section.  
 
 

1.5. Other remarks and instructions 

 

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This  Operating  and  Maintenance  Manual  provides  all  information  on  how  to  install,  start  and 
operate the compressor. This manual should also be used when any maintenance work is carried 
out,  

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The Manual should be read and always available to the compressor operator, 

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During  the  maintenance  work  and  periodic  inspections,  the  provisions  of  the  Warranty  Book 
should be observed,  

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The  Maintenance  section  provides  all  measures  and  requirements  necessary  to keep  the 
compressor in a correct technical state,  

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Record  all  operating  data,  maintenance  operations  performed  etc.  into  the  Warranty  Book. 
Observe  all  reference  and  local  safety  regulations  relating  to  the  compressor,  including  those 
listed herein and in the following sections,  

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Failure  to  follow  the  requirements  included  in  this  Operating  and  Maintenance  Manual  and 
Warranty Book and/or unauthorised changes in  the compressor or its integral units delivered by 
us shall make the warranty null and void. 

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During  warranty  period,  any  repairs  must  be  performed  by  the  manufacturer  service  or 
authorised service centre listed in the Warranty Book.  

 

1.6. Warranty 

 
BERG Kompressoren GmbH. Speddition Straße 21, 40221 Düsseldorf  Germany  
hereinafter  referred  to  as  the  Warrantor  provides  the  warranty  for  the  products  sold,  ensures 
correct operation of the offered products provided that they are used in accordance with  their 
intended use and operating conditions specified in this documentation.  

 

The Purchaser shall lose its warranty rights for the product when: 

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The machine is used in a way non-compliant with its intended use, 

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Unauthorised modifications are carried out on the product, 

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Interventions are carried out by unauthorised persons, 

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Any repair attempts are carried out by unauthorised persons, 

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The obligation to carry out periodic inspections is not observed, 

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Non-original consumables are used. 

 

 

The  manufacturer  reserves  the  right  to  make  modifications  in  the  product,  resulting 
from continuous technical development, without prior notice. 

 

2. Operating safety rules 

The  present  rules  are  valid  for  BERG  screw  compressors.  In  addition  to  the  general  health  and 
safety  at  work  and  the  Office  of  Technical  Inspection  (UDT)  regulations  applicable  to 
compressors,  their  assemblies  and accessories,  the  safety  instructions  given  below  should  be 
followed in particular. The 

operators are supposed to observe safe work practices. It is the user’s 

responsibility  to  continuously  maintain  the  compressor  fully  operable.  Components  and 
equipment considered to be no longer suitable for safe operation should be promptly replaced. 
Adjustments,  installation,  operation,  maintenance  and  servicing  should  be  entrusted  only 
to properly trained, qualified and authorized staff. 
The  limit  values  (pressure,  temperature,  time  settings  etc.)  are  given  in  the  Technical  Data 
section. 

Summary of Contents for KOMPBERG ZX75

Page 1: ...OPERATING AND MAINTENANCE MANUAL Oil free screw compressor KOMPBERG ZX75...

Page 2: ...the choice you have made and the cooperation you started with us Our compressors are machines of top quality which is the guarantee for a long years and reliable performance Our sales and service sta...

Page 3: ...w compressor KOMPBERG ZX75 operating description 12 Technological diagram 14 6 Start up 17 6 1 Start up preparation 17 6 2 Restart after longer downtime 18 7 Maintenance 19 7 1 General requirements 19...

Page 4: ...e and maintenance of the compressor and control system Technical documentation of the electrical part It includes the data necessary to perform correct connections and repairs of the electrical equipm...

Page 5: ...gases it is required to obtain the manufacturer s consent The above consent must be in written form The compressor must not be used for any other purposes that are non compliant with its intended use...

Page 6: ...referred to as the Warrantor provides the warranty for the products sold ensures correct operation of the offered products provided that they are used in accordance with their intended use and operat...

Page 7: ...such a way that they do not place pressure on it If the transport harness is fastened and secured incorrectly the machine may get damaged The compressor must be transported only with a forklift Fasten...

Page 8: ...rohibited to service the safety valves or to change their settings Do not change settings of the pressure switches above the value given in the identification plate or in the Operating and Maintenance...

Page 9: ...ceed 130dB Equivalent acoustic pressure level corrected by A characteristic does not exceed 85 db A AUTOMATIC MACHINERY MAY START RISK OF SCALDING RISK OF ELECTRIC SHOCK Type KOMPBERG ZX75 Overpressur...

Page 10: ...ntilation is insufficient windows openings in a wall etc in the compressor room air exchange should be provided by fans To ensure correct heat extraction the fans should have total capacity about 15 t...

Page 11: ...electrical connections Use the required safety measures in accordance with the suitable regulations Calculate the power cable cross sectional area and fuse sizes according to the local regulations an...

Page 12: ...5 Screw compressor operating description 5 1 Screw compressor KOMPBERG ZX75 operating description General view of an oil free screw compressor KOMPBERG ZX75...

Page 13: ...and then flows to the oil filter assembly 18 The oil filter set is fitted with a thermostat 17 which depending on the oil temperature directs the oil directly through the oil filter 18 to the manifol...

Page 14: ...25 Solenoid valve with time system 8 Venturi nozzle 26 Air filter pollution sensor 9 2nd stage cooler 27 Temperature sensor 10 Check valve 28 Safety valve 11 2nd stage unloading 29 Pressure sensor 12...

Page 15: ...correctness of the lubrication and sealing processes Therefore these spaces must be ventilated This is accomplished by means of a flexible hose and an air filter located at the tunnel of the fan In th...

Page 16: ...itched off and on the compressor can be started by unlatching the EMERGENCY STOP STOP AWARYJNY button and pressing the START button The compressor is provided with an additional protective function wh...

Page 17: ...ons are in place do not connect the compressor to a power source of different voltage than that specified in the Operating and Maintenance Manual Connect the phase conductors so that the rotation dire...

Page 18: ...t switches to the stand by mode and starts again after its drop Incorrect rotation direction of the screw block rotors for more than 5 seconds will damage the screw compressor Proper direction of scre...

Page 19: ...e components Take appropriate safety measures against toxic vapours from cleaning agents Biodegradable detergents should be used The workplace must be kept absolutely clean when maintenance work is ca...

Page 20: ...he filter is recommended check the condition of the elastic coupling clean the air and oil cooler ribs if necessary 7 2 4 Warranty and post warranty checks every 2000 work hours or after 1 year change...

Page 21: ...ot apply force avoid damaging the cartridge Clean contact surfaces of gaskets Purging purge the external surface of the cartridge with dry compressed air at the pressure up to 0 5 MPa askew from the i...

Page 22: ...ner to replace the filter Caution hot oil Rub some oil onto the gasket of the new filter before screwing it in Fill the new filter held vertically with the same type of oil as that in the separator ta...

Page 23: ...lves in the radiator see the controller operating instructions Unscrew the compressor crankcase ventilation hose on the compressor stage body see Fig 11 Place a suitable container and carefully unscre...

Page 24: ...ridges should be disposed of according to the valid legislation on handling wastes waste code 16 01 07 7 3 7 Oil cooler exchanger interstage final air The safety of the screw compressor requires regul...

Page 25: ...restarted after removing the cause of any failures Periodic motor inspections The motor inspection should be performed at least once per 2 years The inspection should be performed by the in house pers...

Page 26: ...lves delivered require no special maintenance They should only be periodically every 1000 hours blown by pulling the handle of the push pin Special care must be taken while performing this operation K...

Page 27: ...e the set value adjust the pressure switch or enter correct settings in the controller oil level too low top oil up as required oil thermostat malfunction replace the entire thermostat or its cartridg...

Page 28: ...alve damaged replace with a new one with appropriate setting or call service wrong microprocessor controller setting adjust the correct settings in the controller damaged pressure transducer call the...

Page 29: ......

Page 30: ...er Quantity 1 Air filter BL 480146 BL 480169 1 2 Compressed air filter cartridge Element for F 24 GW 24 G 1 3 Oil filter B 480001 1 4 Coupling insert BS 480165 1 5 Oil l 480069 40 l 6 Thermostat cartr...

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