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RFL-7-500     Page  24 

Fault 

Possible cause 

Elimination 

Compressed air temperature too high 

 

Final pressure too high 

 

Adhere to nominal pressure 

 

Exhaust silencer clogged 

 

Replace exhaust silencer 

 

Four-way changeover valve in 
incorrect position 

 

Put four-way changeover valve 
in correct position 

 

Poor cooling 

 

Check grilles and vents for any 
blockages and remove if 
necessary 

 

Valve plate in non-return valve 

 

Clean non-return valve 

 

Vacuum intake filter clogged 

 

Clean vacuum intake filter 

 

Vacuum too low 

 

Adhere to nominal vacuum 

 

 

 

Operating pressure or operating vacuum 
is not reached 

 

Manometer or vacuum meter 
gives incorrect reading 

 

Replace manometer or vacuum 
meter 

 

 

Drive belts slip 

 

Check belt tension and tighten if 
necessary 

 

 

Four-way changeover valve in 
incorrect position 

 

Turn four-way changeover valve 
in correct position 

 

 

Condensate drain is open 

 

Close condensate drain 

 

 

 

Mud or liquid has got into the machine 

 

Excess suction into vehicle 

 

Flush with diesel while running 
at lowest permissible rotation 
speed and without pressure or 
vacuum – Then add lubricating 
oil (see 

sections 7.5 & 6.2

 

 

 

Power requirement too high 

 

Rotation speed too high 

 

Adhere to rotation speed limits 

 

 

Discharge pressure too high 

 

Adhere to nominal pressure – 
activate/check safety valve 

 

 

Manometer gives incorrect 
reading 

 

Replace manometer 

 

 

Exhaust silencer blocked 

 

Replace exhaust silencer 

 

 

 

Lack of lubricating oil although oil tank has 
sufficient amount of oil 

 

Suction filter in oil tank blocked 

 

Clean oil tank and suction filter 

 

 

 

Safety valve blows off 

 

Closed valves in pressure line 

 

Open valves 

 

 

Clogged pressure system 

 

Eliminate blockage 

 

 

Clogged exhaust silencer 

 

Replace exhaust silencer 

 

 

 

 

 

Ventilating valves activates 

 

Closed valves in suction line 

 

Open valves 

 

 

Suction filter blocked 

 

Clean suction filter 

 

 

 

 

 

Compressed air blows from shaft end and 
oil escapes 

 

Seals are damaged 

 

Replace radial shaft seal rings 
in cover of damaged cover 

 

 

 

Smell of rubber (with V-Belt drive) 

 

V-Belts slip due to insufficient 
belt tension 

 

Check belt tension and tighten if 
necessary 

 

 

Final pressure too high 

 

Adhere to nominal pressure 

 

 

 

Shifting of V-Belts 

 

Low belt tension 

 

Check belt tension and tighten if 
necessary 

 

 

Worn V-Belts 

 

Replace and install new V-Belts 

 

 

Pulley out of alignment 

 

Align pulleys 

 

 

Worn belt pulleys 

 

Replace pulleys 

If the problem is not solved (or not fully solved) by the above actions, please contact our service department. 

 

Only restart the machine after it is absolutely clear that the fault has been resolved completely. 

Содержание RFL 102

Страница 1: ...PD BLOWERS VACUUM PUMPS RFL SERIES Owner s Manual RFL 102 RFL 7 500 Version 03 April 11 2018...

Страница 2: ...2 PREVENTION OF SUCTION INTAKE OF DIRT AND RESIDUE 12 5 2 1 Suction Pipe 12 5 2 2 Vacuum Intake Filter 12 5 2 3 Safety Dome 12 5 2 4 Safety Tank 12 5 2 5 Combination Air Filter 13 5 3 NOISE SUPPRESSI...

Страница 3: ...cking Intervals 22 7 3 POSSIBLE OPERATING ERRORS 22 7 4 PRECAUTIONS FOR LONG STANDSTILL PERIODS 23 7 5 RINSING AFTER MACHINE WAS OVER SUCKED 23 7 6 PROCEDURE IF FAULTS OCCUR 23 8 MAINTENANCE 25 8 1 WA...

Страница 4: ...e used for long periods Store in a dry heated building Handle with care and keep the inlet and discharge ports covered Rotate the drive shaft of the machine monthly in the direction shown by the arrow...

Страница 5: ...6 Information This symbol indicates information of particular interest to the operator of the machine 2 7 Points to Note The compressor vacuum pump has been constructed according to the latest techno...

Страница 6: ...e pipe between the machine and the shut off valve Release pressure manually at the safety valve or vent the machine at the ventilation valve Pay attention to the manometer The drive prevention device...

Страница 7: ...ssion operation2 psig 2 9 Nominal vacuum1 psiA 2 9 Max permitted vacuum up to 3 minutes per hour 1 psiA 2 18 Power requirement at drive shaft for 2 bar pressure hp 41 6 Min speed rpm 1000 Max speed rp...

Страница 8: ...3 2 Dimensions Fig 3 1 Dimensions of RFL 102 9 Fig 3 2 Hydraulic Drive Dimensions Hydraulic Drive Details Kit Number TEN009820 Motor Flange Type SAE C 4 BOLT Gearbox Details Kit Number TEN009819 Motor...

Страница 9: ...ng Hours h 40 Oil Level Checks per Day once 3 4 Cooling Air cooling is carried out by means of two fans mounted at either end of the rotor shaft which draw in cool air to pass over the cooling fins on...

Страница 10: ...the covers on inlet and discharge ports only at the time of actual installation Rotate the drive shaft of the machine monthly in the direction shown by the arrows on the machine body The protective c...

Страница 11: ...Manometer 4 Vacuum relief valve 5 Overpressure safety valve 6 Venting shut off valve 7 Vacuum intake filter 8 Compressor Vacuum pump 9 Thermometer 10 Manometer 11 Silencer Oil separator Fig 5 2 Machin...

Страница 12: ...easily accessible be protected from dirt flying debris and water splash provide enough clearance for the connection of the suction and pressure pipes provide easy access for maintenance e g oil fille...

Страница 13: ...nants and reduces suction noise The filter element must be removable for maintenance 5 2 3 Safety Dome The safety dome on the vehicle tank must include not only a float valve but also a swell protecti...

Страница 14: ...102 is far below the value permitted for commercial vehicles To preserve these values when the machine is installed the low noise installation is necessary Air noise suppression by noise suppressing...

Страница 15: ...d buffers to support the belt forces and a counter bearing on the side of the machine opposite the belt drive are necessary 5 4 Safety and Monitoring Features The operating safety of the machine i e o...

Страница 16: ...tted operating pressure It must be able to expel the entire flow capacity of the compressor vacuum pump The valve must also be fitted with a manual ventilation device If the safety valve is mounted fi...

Страница 17: ...monitor on the machine with a display which is visible to the operator In any case the rotational speed must be monitored after assembly of the compressor vacuum pump and operating instructions for th...

Страница 18: ...down a V Belt drive is recommended The nominal rotation speeds as in section 3 1 must be observed Units Belt profile SPA Belt pulley diameter DW mm in 200 2 874 Max operating pressure for V Belt driv...

Страница 19: ...base plate Flatness within 0 010 in Can be driven by direct coupling flexible coupling or V belt drive Check oil level every 24 hours of operation Change oil when gear drive has been in service for 50...

Страница 20: ...rmation concerning the operation and maintenance of the machine 6 2 Lubricating Oil See section 6 7 for types of oil For the RFL 102 single grade oils are prescribed Use of multi grade oils may result...

Страница 21: ...ubricating oil type for the RFL 102 is SAE 30 For ambient temperatures above 40 C use SAE 40 For ambient temperatures below 0 C use SAE 20 For the RFL 102 single grade oils are recommended Use of mult...

Страница 22: ...lubricating oil For the lubricating oil specification see section 6 7 7 2 1 Safety Valve A non lockable safety valve must be installed in the pressure line after every compressor It must be set so tha...

Страница 23: ...the entire volume via the safety valve when the pressure line is closed Vacuum too low see section 7 2 or Rating Plate Compressed air temperature too high see section 7 2 Poor cooling cooling air sup...

Страница 24: ...a malfunction occurs the following table may provide the cause and solution to the problem Fault Possible cause Elimination Volume flow performance of compressor vacuum pump deteriorates Vacuum filter...

Страница 25: ...to rotation speed limits Discharge pressure too high Adhere to nominal pressure activate check safety valve Manometer gives incorrect reading Replace manometer Exhaust silencer blocked Replace exhaus...

Страница 26: ...r vacuum pump Maintenance points Type of work See section Maintenance intervals 1 week 1 month 3 months Other Coolant air path Check clean 8 2 1 Compressor Vacuum pump Clean 8 2 2 Vacuum filter Clean...

Страница 27: ...ine must be cleaned weekly Washing or rinsing with high pressure water jets may result in water penetration which can cause failure of the compressor vacuum pump Carefully clean remove any dirt on the...

Страница 28: ...sion Drive guards must only be removed when the machine is at a standstill and the vehicle engine is switched off V Belts and the V Belt tension must be checked every week and if necessary tightened o...

Страница 29: ...moved Insert a slide hammer into the M6 tapped end of the cylinder pin 4 and carefully remove the guide plate 2 valve seat 3 and pin from the body After careful cleaning check the valve seat for the q...

Страница 30: ...nd measure the distance to the rotor surface with a reliable depth gauge see fig 8 2 Fig 8 2 Vane Wear Inspection The dimension should not exceed 5mm If the wear limit reaches 5mm the rotor vanes must...

Страница 31: ...meet the latest legal requirements When ordering spare parts please provide the following information Example Machine type RFL 102 Machine no L0001 Year of manufacture 2015 Part no TW34278100 Quantit...

Страница 32: ...tact lyon gardnerdenver com Germany Gardner Denver Deutschland GmbH Am Dorn 14 48308 Senden Germany Phone 49 0 253634840 Fax 49 0 25363484010 Email info de gardnerdenver com Netherlands Gardner Denver...

Страница 33: ...NOTES...

Страница 34: ...NOTES...

Страница 35: ...NOTES...

Страница 36: ......

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