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RB-DV
Operating and maintenance
instructions for blowers.
Instruction for
Transport | Installation | Operation | Maintenance
Type
N° di serie
S/N
Manufacturing year
2016
PD Blower & Vacuum Pump Service & Repair Facility
120 – 10293 276 ST, Acheson, Alberta, Canada T7X 6A5
T: 780.962.1827 F: 780.962.1830 E: sales@fraserwoods.ca
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Summary of Contents for Robuschi RB-DV Series
- Page 1 RB-DV Operating and maintenance instructions for blowers. Instruction for Transport | Installation | Operation | Maintenance Type N° di serie Manufacturing year 2016 PD Blower & Vacuum Pump Service & Repair Facility 120 – 10293 276 ST, Acheson, Alberta, Canada T7X 6A5 T: 780.962.1827 F: 780.962.1830 E: sales@fraserwoods.ca...
- Page 2 GENERAL INFORMATION This manual is integral part of the machine follow strictly the instructions given in this Manual prior to positioning and operating the blower. For a quick and rational reading of this manual observe the following statements and definitions : Warning : Signals the risk of serious physical dangers to people and/or serious danger to blower Note : Signals important technical information for...
- Page 3 SAFETY INFORMATION Delivery of ROBUSCHI does not include the design of the operating environment where the blower will be installed, nor the power circuits, control circuits and other controls or equipments required by the specific function of the blower. The CUSTOMER therefore must verify that the operating...
- Page 4 BLOWER IDENTIFICATION Tipo Type N° di serie Anno di costruzione Manufacturing year Gas convogliato Conveied gas Pressione assoluta di aspirazione mbar Absolute intake pressure Temperatura di aspirazione °C Intake temperature Portata aspirata m3/h Inlet capacity Pressione assoluta di mandata mbar Discharge absolute pressure Pressione differenziale P2 –...
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Page 5: Table Of Contents
INDEX 1 BLOWER CHARACTERISTICS ....................22 1.1 Operating principle ......................22 1.2 Construction ........................22 1.3 Nameplate ........................... 22 2 PERFORMANCE LIMITS AND WORKING CONDITIONS ............. 23 2.1 Operating environment and conveyed gas ................23 2.2 Performance limits ......................23 2.3 Flow adjustment ........................ -
Page 6: Blower Characteristics
1 BLOWER CHARACTERISTICS 1.2 Operating principle RB-DV series blowers positive displacement exhausters comprising two conjugate shaped rotors 2 which rotate inside a figure 8 shaped body 1. The gas enters the blower at pressure P below the atmospheric pressure, and temperature T it is 1 and trapped in the volume V. -
Page 7: Performance Limits And Working Conditions
2 PERFORMANCE LIMITS AND WORKING CONDITIONS 2.1 Operating environment and conveyed gas The blower is suitable to operate only in dust free environment, with no-explosive or corrosive atmosphere and to convey only atmospheric Air. The atmospheric air injection can be keeped only from the ambient of installation Warning : The blower is not suitable to convey explosive, toxic or dangerous gases. -
Page 8: Forbidden Uses
Loss of stability None Electric installation Electrostatic phenomena None The electric equipment is not supplied by ROBUSCHI External influences on electrical equipment Thermal safety The surface of the blower and of the discharge silencer can be higher than 70 °C Label C.7 on the surfaces... -
Page 9: Storage
– 20°C to 40 °C Relative humidity from 10% to 80% If different climatic conditions are forecast contact ROBUSCHI. Do not remove the nozzle protections and renew the preservation every 6 month or more frequently if humidity is higher than 80% using antirust oil. -
Page 10: Installation
4 INSTALLATION 4.1 On-site positioning of blower The blower has to be set horizontally on a level surface and attached using screws which secure the feet or the outlet flange ( /F e /SP version). 4.2 Changing the inlet/outlet arrangement To move from the arrangement with inlet and outlet on a vertical axis to that with inlet and outlet on a horizontal axis and vice versa exchange the oil levels by changing the position of the plugs in accordance with Fig. -
Page 11: Coupling
4.4 Coupling 4.4.1 Direct coupling Slide the half couplings onto the shaft of the blower and of the motor using suitable tools. Warning: Do not use a hammer to slide on the half couplings. Secure the half couplings with security dowels which will push on the keys. Place the blower at the distance S from the motor as indicated in the table below. -
Page 12: Belt Drive Coupling
4.4.2 Belt drive coupling Utilize pulleys with minimum diameter equal or major than the value indicated in the table below. Warning : Do not use a hammer to mount the pulleys. Use suitable equipment to mount the pulleys onto the blower and motor shafts. Minimum allowed blower pulley pitch diameter Differential pressure ( mbar ) Size... -
Page 13: System Piping
4.5 System piping The diameters of the system piping must be chosen in order to obtain an average gas speed from 15 a 30 m/s and must never be smaller than the diameters of the blower openings, if the diameters are different, use a taper connector. The system piping should be properly aligned and supported to prevent stress on the blower openings Connect the cooling ports to atmosphere by means of silenced pipings. -
Page 14: Cooling Circuit (Only For /Rv)
Electric connections must be set up by authorized specialists in compliance with regulations applying to the place of installation and in accordance with the requirements of the local body supplying electrical energy. Note: Robuschi refuses all responsibility for electric connection not complying with the law in force. -
Page 15: Operation
5 OPERATION 5.1 Preliminary controls If the blower has been in storage for more than 6 months, check its state of preservation. Check the alignment of the transmission and eventually the belt tension . Check that the blower rotate freely by hand. Check that the safety protection devices have been correctly installed and secured. -
Page 16: Maintenance
6 MAINTENANCE Stop the blower and auxiliary system as indicated in the paragraph 5.4 Warning : Disconnect the electric supply, lock the general switching open position with the key and conserve it during service operation Insulate the blower from the plant and restore the atmospheric pressure into it Warning : The gas contained in the plant may be hot, toxic and irritant Warning : Wait until the blower returns at ambient temperature (<40°C) 6.1 Oil change... -
Page 17: Replacing The Shaft Seal
Reassemble the sump 12B Refill the sump 12B with new lubricating oil as shown in paragraph 6.1.2 Send the table 264468 filled out with measured clearances to ROBUSCHI. (or any authorized distributor) for their review. 6.5 Check of the rotors clearance... -
Page 18: Spare Parts
Warning : Do not use non-original spare parts or accessories . Note : ROBUSCHI will not be liable for any damage, breakdown, and injury deriving from the use of non-original spare parts or accessories 6.7 Demolition of the blower... -
Page 19: Troubleshooting
7 TROUBLESHOOTING Operating problems List of causes The motor does not start up and there is no noise 1-3-4 The motor does not start up, but humming noise is heard 2-3-4-5-6-7 Automatic cut off just after start up 3-4-5-6-7 Inlet pressure different from the rated value 13-17 Outlet pressure different from the rated value 14-17... -
Page 20: Disassembly And Reassembly
8 DISASSEMBLY AND REASSEMBLY Disassembly the blower within the guarantee period results in the cancellation of the guarantee. Disassembly, repair work and reassembling of the blower must be carried out only by qualified personnel and with the aid of suitable equipment and relevant manual. This manual contains only the instructions for preventative maintenance.
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Questions and answers
If a blower is bringing broken belt alarm and the belt is okay what could be the cause
A broken belt alarm in a Robuschi RB-DV Series blower, even if the belt is okay, could be caused by incorrect belt tension. The maintenance section mentions the importance of checking belt tension regularly, as improper tension could lead to operational issues, which might trigger false alarms.
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