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RE 51433-B/04.10  |  30, 50, 80 NFF2 

Bosch Rexroth AG 

7/30

General safety instructions

About this document | General safety instructions

Safety instructions in this document

2.4 

In these instructions, there are safety instructions before an instruction whenever 

there is a risk of personal injury or damage to property. The measures described 

for preventing these hazards must be observed.
Safety instructions are set out as follows:

Type of risk!

Consequences

Precautions

 

f

Warning sign (warning triangle):

 

 Draws attention to the danger

Signal word:

 

 Identifies the degree of danger

Type of risk:

 

 Specifies the type or source of danger

Consequences:

 

 Describes the consequences of non-compliance

Precautions:

 

 Specifies how the danger can be prevented

The signal words have the following meaning:

Signal words/warning signs

Table 2: 

Signal word

Application

DANGER!

Indicates an 

imminently 

hazardous situation which, if not avoided, 

will certainly result in serious injury or even death.

WARNING!

Indicates a 

potentially 

hazardous situation, which, if not avoided, 

could result in serious injury or even death.

CAUTION!

Indicates a 

potentially hazardous

 situation which, if not avoided, 

could result in minor or moderate injury or damage to equipment. 

If this information is disregarded, the operating procedure may be im-

paired.

SIGNAl WORD!

Summary of Contents for Rexroth 30 NFF2

Page 1: ...Operating instructions RE 51433 B 04 10 Replaces English Off line filter system 30 NFF2 50 NFF2 80 NFF2 ...

Page 2: ...ification It must be remembered that our products are subject to a natural process of wear and aging This document as well as the data specifica tions and other information set forth in it are the exclusive property of Bosch Rexroth AG It may not be reproduced or given to third parties without its consent The cover page shows an example configuration The product supplied may therefore differ from ...

Page 3: ...uct identification 14 5 Transport and storage 15 5 1 Transporting the off line filter system 15 5 2 Storing the off line filter system 15 6 Assembly 16 6 1 Assembling the off line filter system 16 7 Commissioning 17 7 1 First commissioning 17 8 Operation 18 9 Maintenance and repair 19 9 1 Cleaning and care 19 9 2 Maintenance 19 9 3 Replacing wear parts 19 9 4 Exchanging the suction filter protecti...

Page 4: ...4 30 Bosch Rexroth AG 30 50 80 NFF2 RE 51433 B 04 10 Contents ...

Page 5: ...ations of the European or national legislation and the regulations on accident prevention and environmental protection applicable in your country 1 2 Abbreviations used Abbreviations Table 1 Abbreviation Meaning NFF2 Off line filter system movable 2 General safety instructions The off line filter system has been manufactured according to the accepted rules of current technology There is however st...

Page 6: ... system other than described in chapter 2 1 Intended use is considered as improper Qualification of personnel 2 3 Assembly commissioning and operation disassembly service including mainte nance and repair require basic mechanical electrical and hydraulic knowledge as well as knowledge of the appropriate technical terms In order to ensure opera tional safety these activities may only be carried out...

Page 7: ...degree of danger Type of risk Specifies the type or source of danger Consequences Describes the consequences of non compliance Precautions Specifies how the danger can be prevented The signal words have the following meaning Signal words warning signs Table 2 Signal word Application DANGER Indicates an imminently hazardous situation which if not avoided will certainly result in serious injury or e...

Page 8: ...the product as a handle or step Do not place any objects on top of it During assembly 2 5 2 Make sure the relevant system component is de pressurized and de energized before assembling the product or when connecting and disconnecting connec tors Protect the off line filter system against re activation Lay the cables and lines so that they cannot be damaged and no one can trip over them Before comm...

Page 9: ...disposal 2 5 7 Dispose of the product in accordance with the currently applicable national regulations in your country Dispose of the hydraulic fluid in accordance with the currently applicable na tional regulations in your country Dispose of hydraulic fluid residues according to the applicable safety data sheets for hydraulic fluids Obligations of the operator 2 6 The operator of the Bosch Rexrot...

Page 10: ... 10 Scope of delivery Scope of delivery 3 The scope of delivery includes 1 off line filter system 30 50 80 NFF2 1 suction hose flexible 2 m 1 pressure hose flexible 2 m 2 lances 1 m 1 operating instructions for the off line filter system 30 50 80 NFF2 ...

Page 11: ...evice description 4 2 The 30 50 80 NFF2 off line filter system consists of a one axis supporting frame to which a filter pump unit has been attached The 80 NFF2 0270 is an exception it has been attached to a two axis frame The filter pump unit consists of an elec trically operated filter pump with exchangeable suction filter and a main filter with electronic maintenance indicator If the pressure d...

Page 12: ...mponent overview 4 3 Figure 1 shows 30 NFF2 50 NFF2 and 80 NFF2 0120 are identical in construction Device overview 30 NFF2 Fig 1 Frame one axis 1 Suction filter protective pump filter 2 Vacuum meter 3 Main filter 4 Suction hose 5 Pump power unit 6 Pressure hose 7 Control box 8 ...

Page 13: ... 30 Product description Figure 2 shows 80 NFF2 0270 Device overview 80 NFF2 0270 Fig 2 Drain oil tray 1 Frame two axis 2 Pump power unit 3 Suction filter protective pump filter 4 Vacuum meter 5 Suction hose 6 Control box 7 Main filter 8 Pressure hose 9 ...

Page 14: ...on Control box Fig 3 Main switch 1 START STOP 2 Display voltage ON 3 Display operation 4 Maintenance indicator main filter 5 Product identification 4 4 Name plate Fig 4 Machine number 1 Designation of the machine 2 Designation of the filter element indicating the rating 3 ...

Page 15: ...in a closed room in order to protect it against humidity and condensate formation Risk of chemical reactions Chemical substances in the immediate vicinity of the off line filter system may react and lead to destruction of the system and injuries of persons staying in the immediate vicinity of the system It is forbidden to store the system in the immediate vicinity of chemically active f f substanc...

Page 16: ... the suction tube lance in the same way put it into the container f f with the oil to be purified fig 5 Lance positions Fig 5 If the containers have been provided with fittings for connecting the off line filter system the lances can also be disassembled and the hoses can be directly at tached to the containers using the corresponding fittings Missing seals and caps will lead to non compliance wit...

Page 17: ... hydraulic fluid could result in wear and malfunctions In particular con tamination parts like e g welding beads or metal chips in the suction lines may damage the off line filter system When commissioning you should ensure absolute cleanliness f f First commissioning 7 1 Activating the hydraulic supply 7 1 1 Proceed as described in chapter 6 1 Assembling the off line filter system Activating the ...

Page 18: ...ithin the range of 0 5 0 bar fig 6 If the suction pressure falls below 0 5 bar there is a risk of cavitation Vacuum meter Fig 6 Risk of cavitation Cavitation leads to early pump wear Symptoms of cavitation include knocking sound in the pump and or excessive vibrations of the entire unit Remedy the cause for the excessive pressure resistance in the suction line f f Clear a plugged pipe socket and o...

Page 19: ...e water pressure of a pressure washer can damage the hydraulic system and seals of the off line filter system The water displaces the oil from the hydraulic system and seals Do not use pressure washers for cleaning f f Cover all openings with the appropriate protective caps devices f f Check that all seals and caps of the plug in connections are firmly fitted so f f that no humidity can penetrate ...

Page 20: ... off the centering f f spigot on the filter head 1 Replace the filter element by putting the new filter element onto the centering f f spigot it may be necessary to remove the protective foil in advance Screw on the filter bowl again and fasten it hand tight fig 7 f f Protective pump filter set up Fig 7 Filter head 1 Filter element 2 Filter bowl 3 Exchanging the filter element 9 5 During operation...

Page 21: ... chapter 15 Technical data have not been complied with In this case precautions have to be taken in order to comply with the operating conditions Renew or clean a contaminated filter f f Switch off the off line filter system at the on off switch and separate the off line filter system from the voltage supply Unscrew the filter head 1 and take the filter element 2 out of the filter f f housing 3 Re...

Page 22: ...oth service next to you f f or directly to the headquarters see chapter 16 1 Address directory When ordering spare parts please indicate the following information from the f f name plate The serial number The order number Please indicate the following details from the parts list f f The exact denomination The material number Additionally indicate f f The desired number of spare parts The following...

Page 23: ...ystem and the hydraulic fluid could lead to environmental pollution Thus dispose of the off line filter system and the hydraulic fluid in accordance f f with the currently applicable national regulations in your country Dispose of hydraulic fluid residues according to the respective safety data f f sheets valid for these hydraulic fluids ...

Page 24: ...ch Rexroth warranty applies to the delivered configuration and the extensions considered in this configuration After an extension or a conversion exceeding the conversions and extensions described here the warranty will forfeit Unauthorized conversions or extensions will invalidate the declaration of con formity and thus the CE mark ...

Page 25: ...ere there any changes or repair works on the overall system machine sys tem electrics control or on the product If so What were they Was the product or machine used as intended How did the fault become apparent Try to get a clear idea of the cause of the fault Ask the direct machine op f f erator if necessary Fault table Table 5 Fault Possible cause Remedy Cavitation Incorrectly introduced suction...

Page 26: ...0 V 50 Hz Pump motor power 1 1 kW 1 5 kW General data 80 NFF2 Table 7 General data 80 NFF2 0120 80 NFF2 0270 Dimensions width x height x depth 600 x 1 160 x 580 mm 650 x 1 390 x 1 020 mm Product weight 90 kg 150 kg Temperature range for application 10 60 C 10 60 C Storage temperature range 5 30 C 5 30 C Admissible viscosity 10 200 mm2 s 10 200 mm2 s Max operating pressure 6 bar 6 bar Max oil tempe...

Page 27: ...RE 51433 B 04 10 30 50 80 NFF2 Bosch Rexroth AG 27 30 Appendix 14 Address directory 14 1 Please refer to http www boschrexroth com for addresses of foreign subsidiaries Declaration of conformity 14 2 ...

Page 28: ...sch Rexroth AG Industrial Hydraulics Zum Eisengießer 1 97816 Lohr am Main Germany Phone 49 9352 18 0 Fax 49 9352 18 40 documentation boschrexroth de www boschrexroth de Printed in Germany RE 51433 B 04 10 ...

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