RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 3/30 Inhalt Inhalt 1 About this document ..................5 Related documents ..................5 Abbreviations used ..................5 2 General safety instructions................5 Intended use ....................6 Improper use ....................6 Qualification of personnel ................6 Safety instructions in this document ............7 Adhere to the following instructions ............8...
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 5/30 About this document About this document 1 About this document These instructions contain important information on the safe and appropriate assembly, transport, commissioning, operation, maintenance, disassembly and simple troubleshooting of the off-line filter system.
6/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 General safety instructions General safety instructions Intended use The off-line filter system is exclusively intended for the filtration of hydraulic fluids and lubricants with a viscosity of 10 - 200 mm /s on the bypass.
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 7/30 About this document | General safety instructions General safety instructions Safety instructions in this document 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.
8/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 General safety instructions Adhere to the following instructions 2.5.1 General notes • Observe the regulations on accident prevention and environmental protection for the country where the product is used and at the workplace.
Dispose of hydraulic fluid residues according to the applicable safety data sheets for hydraulic fluids. Obligations of the operator The operator of the Bosch Rexroth off-line filter system is bound to provide for personnel training on a regular basis regarding the following subjects: •...
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 11/30 Product description Product description Performance description The off-line filter system 30 (50, 80) NFF2 is a mobile filter system for the filtration of hydraulic fluids and lubricants with a viscosity of 10 - 200 mm /s on the bypass.
14/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 Product description Fig. 3: Control box Main switch START/STOP Display voltage ON Display operation Maintenance indicator main filter Product identification Fig. 4: Name plate Machine number Designation of the machine...
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 15/30 Transport and storage Transport and storage Transporting the off-line filter system The 30 (50, 80) NFF2 off-line filter system must be transported horizontally as there is always a certain amount of oil within the filter unit (in the filter, in the pump as well as in the hoses) that will leak in case of any other transport and lead to pollution.
16/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 Assembly Assembly Assembling the off-line filter system 6.1.1 Hydraulically connecting the off-line filter system Firstly take the pressure tube lance out of the receiving tube and position it in the container into which the purified oil is to be delivered.
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 17/30 Commissioning Commissioning CAUTION! Missing seals and caps will lead to non-compliance with protection class IP 54! Liquids and contamination parts may penetrate and damage the product. Before commissioning, ensure that all seals and plugs of the plug-in connec- tion are leak-proof.
18/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 Operation Operation Make sure that the off-line filter system is not operated unattended. Observe the vacuum meter. If the pressure exceeds 2.5 bar, the machine is switched off automatically and a fault is displayed at the control box (fig. 3, item 5).
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 19/30 Maintenance and repair Maintenance and repair Cleaning and care CAUTION! Penetrating dirt and penetrating liquids will cause faults! Safe function of the off-line filter system is no longer ensured.
20/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 Maintenance and repair Table 3: Wear parts Wear part Material number Main filter element Rating see name plate Protective pump filter Rating see name plate For the addresses of foreign subsidiary please refer to www.boschrexroth.com and chapter "16.1 Address directory".
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RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 21/30 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.
22/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 Repair Bosch Rexroth offers a wide range of repair services for the off-line filter system. • Only use genuine spare parts from Bosch Rexroth for repairing the Rexroth product.
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 23/30 Disposal 10.1 Environmental protection Careless disposal of the off-line filter system and the hydraulic fluid could lead to environmental pollution. Thus, dispose of the off-line filter system and the hydraulic fluid in accordance with the currently applicable national regulations in your country.
Extension and conversion Do not retrofit the off-line filter system. The Bosch 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.
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 25/30 Troubleshooting 12.1 How to proceed for troubleshooting Always work systematically and focused, even when under time pressure. Random and imprudent disassembly and readjustment of settings might result in the inability to restore the original error cause.
26/30 Bosch Rexroth AG 30, 50, 80 NFF2 | RE 51433-B/04.10 Technical data Table 6: General data 30, 50 NFF2 General data 30 NFF2 50 NFF2 Dimensions (width x height x depth) 600 x 1.160 x 580 [mm] 600 x 1.160 x 580 [mm]...
RE 51433-B/04.10 | 30, 50, 80 NFF2 Bosch Rexroth AG 27/30 Appendix 14.1 Address directory Please refer to http://www.boschrexroth.com for addresses of foreign subsidiaries. 14.2 Declaration of conformity...
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Bosch Rexroth AG Industrial Hydraulics Zum Eisengießer 1 97816 Lohr am Main Germany Phone +49 (9352) 18-0 +49 (9352) 18-40 documentation@boschrexroth.de www.boschrexroth.de Printed in Germany RE 51433-B/04.10...