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Instruction book

Atlas Copco

Stationary Air Compressors

LE2, -3, -5, -7, -10, -15, -20
LT2, -3, -5, -7, -10 (50 Hz)
LT15/60, -15-30, -15, -20, -20-30
LF2, -3, -5, -7, -10

Instruction book

Copyright 2004, Atlas Copco Airpower n.v., Antwerp, Belgium.
Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in
particular to trademarks, model denominations, part numbers and drawings.

This instruction book meets the requirements for instructions specified by the machinery directive
98/37/EC and is valid for CE as well as non-CE labelled machines.

No. 2920 1585 00

Registration code: APC L / 38 / 985

2004-07

2920 1585 00

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Содержание LE10

Страница 1: ...um Any unauthorized use or copying of the contents or any part thereof is prohibited This applies in particular to trademarks model denominations part numbers and drawings This instruction book meets the requirements for instructions specified by the machinery directive 98 37 EC and is valid for CE as well as non CE labelled machines No 2920 1585 00 Registration code APC L 38 985 2004 07 2920 1585...

Страница 2: ...d and that maintenance is carried out according to the instructions Record all operating data maintenance performed etc in an operator s logbook available from Atlas Copco Follow all relevant safety precautions including those mentioned on the cover of this book Repairs must be carried out by trained personnel from Atlas Copco who can be contacted for any further information In all correspondence ...

Страница 3: ...arting 47 3 3 Stopping 48 3 4 Taking out of operation at end of compressor service life 49 4 Maintenance 50 4 1 Petrol engine maintenance 50 4 2 Preventive maintenance schedule of the compressor 1 50 4 3 Lubrication of LE LT compressors 51 4 4 Service kits 51 5 Servicing and adjustment procedures 53 5 1 Unloader or check valve 53 5 2 Valves 53 5 2 1 Replacement of valve discs Figs 5 1 and 5 2 55 5...

Страница 4: ... 68 7 6 2 60 Hz 68 7 7 Compressor data for LT 30 bar 69 7 7 1 50 Hz 69 7 7 2 60 Hz 69 8 Conversion list of SI units into US British units 70 9 PED Pressure Equipment Directive 70 9 1 Components subject to 97 23 EC Pressure Equipment Directive 70 9 2 Overall rating 70 2920 1585 00 4 ...

Страница 5: ...compressors LT and LE LF2 up to 7 and LE10 50 Hz are two cylinder compressors LE10 60 Hz LF10 LE15 20 are three cylinder compressors Note Take care that three cylinder compressors rotate in the direction as indicated by the arrow on the fan housing counter clockwise seen from fan cowl side LE LF are built for effective working pressures up to 10 bar LT are built for effective working pressures up ...

Страница 6: ...oling pipe 6 Cylinder 7 Unloader 8 Relief valve 9 HP cylinder 10 LP cylinder Fig 1 3 Power Pack Figs 1 1 up to 1 3 General views Compressor Block Power Pack Fig 1 4 Tank mounted unit LE LT LF2 3 horizontal receiver standard receiver is 120 l Fig 1 5 Tank mounted unit LE10 60 Hz LE5 20 LT15 20 and LT LF5 10 standard receiver is 250 l 2920 1585 00 6 ...

Страница 7: ...Instruction book 1 10 11 AF FN 7 5 AR Dm D0656 Fig 1 6 Tank mounted unit LE LT LF2 3 5 vertical receiver standard receiver is 250 l Fig 1 7 Tank mounted unit three cylinder 2920 1585 00 7 ...

Страница 8: ...e or repair 10 LP cylinder 11 HP cylinder 12 DD filter 13 Air pressure switch with on off switches 14 PD filter 15 CD dryer Figs 1 4 up to 1 9 General views 1 1 1 Compressor variants The Compressor Block Fig 1 1 includes Crankcase 4 and cylinders 6 Air inlet filter AF and inlet silencer 3 Fan FN Air cooler piping 2 and 5 Unloader 7 as standard on LE LF LT5 up to 10 LE15 20 and LT15 up to 20 Inters...

Страница 9: ...ounted on a frame no air receiver A silencing hood can be added as an option LE LF and LT Trolley units Figs 1 15 and 1 16 are mobile compressors They are equipped with either a directly flanged electric motor LE LF LT ETROL Fig 1 15 or a petrol engine LE LF LT PETROL Fig 1 16 The compressors have two outlet connections a connection for compressed air at working pressure a connection for compresse...

Страница 10: ...system of LE LF LT2 up to 7 with DOL starter and separate air pressure switch 1 COMPRESSED AIR 1 Y1 CV SG DP Gp SV AV Dm MDR FC M AF 8 10 FN 6 10 7 AR 12 13 UV UA 9 11 5 50981D 1 Compressed air Fig 1 11 Air flow of LT and regulating system of LE5 up to 20 LF5 up to 10 LT5 up to 10 and LT15 up to 20 with Y D starter and electric cabinet 2920 1585 00 10 ...

Страница 11: ...valve DP Oil drain plug FC Oil filler cap FN Fan Gp Air pressure gauge M Motor MDR Air pressure switch PD Pulsation damper RV Pilot valve SG Oil level sight glass SV Safety valve UA Unloader UV Unloading valve Y1 Loading solenoid valve 1 Air inlet silencer 2 Pressure release valve 3 Cylinder 4 Cooler 5 On off switch 6 Cooling pipe 7 LP cylinder 8 HP cylinder 9 Blow off silencer 10 Intercooler 11 E...

Страница 12: ...tric cubicle 11 Air pressure switch MDR On off switch 5 Solenoid valve Y1 Unloader UA with integrated check valve CV Operation Air pressure switch MDR opens and closes its contacts at pre set pressures During loaded operation the contacts are closed the motor is running and solenoid valve Y1 is energized preventing the compressed air from flowing to unloader UA When the pressure in the air receive...

Страница 13: ...ration pilot valve RV is closed preventing the compressed air from flowing to unloader UA When the pressure in the pulsation dampers PD reaches the pre set maximum pressure pilot valve RV will open Compressed air from the pulsation dampers will flow to plunger 12 which causes unloading valve UV to open The air at the delivery side of the compressor is blown through silencer 9 to atmosphere and che...

Страница 14: ...et valve Dm Condensate drain valve Gp Air pressure gauge Me Electric motor Mp Petrol engine PD Pulsation damper RV Pilot valve UA Unloader 1 Lifting yoke 2 Cylinder 3 Towing handle 4 Blow off silencer 5 Cover 6 Air inlet silencer 7 Fuel tank Figs 1 15 and 1 16 LE LF LT Trolley 2920 1585 00 14 ...

Страница 15: ...llation and handling 2 1 Dimension drawings 14 3 5 1 3 5 3 14 5 4 9820 2239 01 3 55749D 2 3 5 2 3 5 2 5 2 3 See page 35 for the text on this figure Fig 2 1 Dimension drawing LE LT2 up to 5 and LF2 3 Power Pack 2920 1585 00 15 ...

Страница 16: ...Instruction book 9820 2239 02 3 55750D 1 14 3 5 3 5 4 7 5 7 10 5 7 10 7 7 10 See page 35 for the text on this figure Fig 2 2 Dimension drawing LE LT7 10 and LF5 7 Power Pack 2920 1585 00 16 ...

Страница 17: ...Instruction book 1 3 5 1 3 5 4 4 9820 2239 03 2 55751D 10 10 15 20 10 10 15 20 See page 35 for the text on this figure Fig 2 3 Dimension drawing LE10 60 Hz LE15 20 and LF10 Power Pack 2920 1585 00 17 ...

Страница 18: ...Instruction book 1 3 14 5 4 9821 0468 00 8 55755D 15 20 15 30 20 30 See page 35 for the text on this figure Fig 2 4 Dimension drawing LT15 20 and LT15 30 LT20 30 Power Pack 2920 1585 00 18 ...

Страница 19: ...Instruction book 1 14 3 15 4 9820 2239 42 1 55752D 2 3 5 2 3 5 Base mounted See page 35 for the text on this figure Fig 2 5 Dimension drawing LE LT2 up to 5 and LF2 Base mounted 2920 1585 00 19 ...

Страница 20: ...Instruction book 14 1 3 15 4 4 9820 2239 43 1 55753D 5 7 10 7 7 10 Base mounted See page 35 for the text on this figure Fig 2 6 Dimension drawing LE LT7 up to 10 and LF5 7 Base mounted 2920 1585 00 20 ...

Страница 21: ...Instruction book 1 3 19 4 9820 2239 44 55754D 10 10 15 20 See page 35 for the text on this figure Fig 2 7 Dimension drawing LE10 60 Hz LE15 20 and LF10 Base mounted 2920 1585 00 21 ...

Страница 22: ...Instruction book 1 14 3 15 9820 8011 00 2 55756D 15 20 See page 35 for the text on this figure Fig 2 8 Dimension drawing LT15 20 Base mounted 2920 1585 00 22 ...

Страница 23: ...ok 13 12 4 10 9 9 9820 2239 41 4 55757D 2 3 5 5 7 10 2 7 2 7 10 See page 35 for the text on this figure Fig 2 9 Dimension drawing LE LF LT2 up to 7 and LE LT10 50 Hz Pack with optional silencing hood 2920 1585 00 23 ...

Страница 24: ...n book 13 12 10 9 9 4 9820 2239 40 3 55758D 10 10 15 20 10 15 10 20 See page 35 for the text on this figure Fig 2 10 Dimension drawing LE10 60 Hz LE15 20 and LF10 Pack with optional silencing hood 2920 1585 00 24 ...

Страница 25: ...n book 1 14 3 6 8 4 5 2 9820 2239 21 3 55759D 2 5 2 3 2 3 5 2 3 5 See page 35 for the text on this figure Fig 2 11 Dimension drawing Tank mounted LE LT2 up to 5 and LF2 3 horizontal 120 l receiver 2920 1585 00 25 ...

Страница 26: ...Instruction book 9820 2239 23 2 55760D 14 5 6 7 8 4 2 5 2 3 5 2 3 5 See page 35 for the text on this figure Fig 2 12 Dimension drawing Tank mounted LE LT2 up to 5 vertical 250 l receiver 2920 1585 00 26 ...

Страница 27: ...Instruction book 14 1 3 6 5 2 9820 2239 22 2 55764D 8 4 5 5 5 See page 35 for the text on this figure Fig 2 13 Dimension drawing Tank mounted LE LT5 horizontal 250 475 l receiver 2920 1585 00 27 ...

Страница 28: ... book 3 5 6 7 8 4 9820 2239 27 5 55765D 10 10 15 20 10 10 15 20 See page 35 for the text on this figure Fig 2 14 Dimension drawing Tank mounted LE10 up to 20 and LF10 horizontal 250 475 l receiver 2920 1585 00 28 ...

Страница 29: ...n book 14 1 3 16 5 17 18 4 8 4 9821 1041 00 8 52784D 6 15 60 15 20 15 60 15 20 See page 35 for the text on this figure Fig 2 15 Dimension drawing Tank mounted LT15 20 horizontal 250 475 l receiver 2920 1585 00 29 ...

Страница 30: ...3 9 5 6 2 9 8 4 9820 2239 24 5 55767D 2 5 2 3 2 3 5 2 3 5 2 3 5 2 3 5 See page 35 for the text on this figure Fig 2 16 Dimension drawing LE LT2 up to 5 and LF2 3 Tank mounted with optional silencing hood 2920 1585 00 30 ...

Страница 31: ...n book 3 5 6 9 9 2 8 4 9820 2239 26 5 55768D 7 5 7 10 7 5 10 7 7 10 See page 35 for the text on this figure Fig 2 17 Dimension drawing LE LT7 10 and LF5 7 Tank mounted with optional silencing hood 2920 1585 00 31 ...

Страница 32: ...Instruction book 3 5 6 14 7 3 6 5 14 4 9820 8006 00 3 55769D 5 20 2 3 2 3 5 7 10 7 10 15 20 7 10 See page 35 for the text on this figure Fig 2 18 Dimension drawing LE LT LF with CD dryer 2920 1585 00 32 ...

Страница 33: ...Instruction book 11 12 14 3 8 4 9820 2239 71 3 55770D 2 10 2 7 2 3 5 5 7 10 See page 35 for the text on this figure Fig 2 19 Dimension drawing LE LF LT Trolley with electrical motor 2920 1585 00 33 ...

Страница 34: ...Instruction book 14 5 5 8 4 9820 2239 91 55771D 3 7 3 5 5 7 See page 35 for the text on this figure Fig 2 20 Dimension drawing LE LF LT Trolley with petrol engine 2920 1585 00 34 ...

Страница 35: ...le 15 x 25 3x 8 Receiver 9 Cooling air outlet 10 Motor cooling air inlet 11 Compressed air outlet 12 Hole 15 x 24 4 x can be used for fixing without rubber pads 13 Compressor cooling air and air inlet 14 For dismantling air filter 15 Compressor air outlet with flexible 2 meter 16 Electric cable entry on rear side 17 Hole 4x 18 EURO receiver 19 Air outlet 2920 1585 00 35 ...

Страница 36: ...2 Installation proposals 9820 2332 03 52790D 9820 2332 00 52791D Fig 2 21 Installation proposal for Tank mounted unit 120 l receiver Fig 2 22 Installation proposal for Tank mounted unit 250 475 l receiver 2920 1585 00 36 ...

Страница 37: ...02 52794D 1 2 Fig 2 23 Installation proposal for Tank mounted unit vertical 250 l receiver Fig 2 24 Installation proposal for Tank mounted unit with optional silencing hood 1 Cooling air outlet 2 Compressor air and cooling air inlet 2920 1585 00 37 ...

Страница 38: ...pressor as level as possible however LE LT can be operated with an angular deviation below 22 5 degrees in any direction LF can operate with any angular deviation in any direction The air should be clean A Pack Unit must be installed away from walls to allow easy maintenance Keep the ventilation openings free It is recommended to install an automatic condensate drain available as an option on the ...

Страница 39: ...to the mains supply voltage and frequency The installation must include an isolating switch in the power line near to the unit and be protected against short circuits by fuses in each phase See section 2 4 The mains supply and earthing lines must be of suitable size See section 2 4 For DOL starters connect the power supply cables as shown on Figs 2 27 2 28 For Y D starters connect the power supply...

Страница 40: ...ingle phase LE LF LT with direct on line starter Fig 2 28 Electrical diagram of 3 phase LE LF LT2 up to 7 with direct on line starter 9820 8059 00 4 52787D Fig 2 29 Electrical diagram of 3 phase LE LT5 up to 10 LE15 20 LF5 up to 10 and LT15 60 LT15 20 with star delta starter 2920 1585 00 40 ...

Страница 41: ... 96 22 21 2 1 1 2 2 1 1X1 PE 1X1 L3 1X1 L2 1X1 L1 M1 V2 U2 W2 W1 V1 U1 K1 6 5 4 3 2 1 F4 6 5 4 3 2 1 K2 6 5 4 3 2 1 K3 6 5 4 3 2 1 MDR F3 F4 F2 F1 S1 14 13 P L1 L2 L3 N PE b 3 Un e f d c 4 5 6 3 T1 2 1 1 This connection should be provided in cubicle by supplier Fig 2 30 Electrical diagram of 3 phase LE LT5 up to 10 LE15 20 LF5 up to 10 and LT15 60 LT15 20 with transformer and star delta starter 29...

Страница 42: ...E ADDED P L1 L2 L3 N PE b 3 Un g f d A P4 P1 ELECTRONIC TIMER A 2A ELECTRONIC ELECTRONIC TIMER CD 2 3 6 TIMER TIMER MECHANICAL variant variant CD 7 24 CUBICLE COMPRESSOR A CD TD CD TD A CUBICLE COMPRESSOR 2 Variant 3 Mechanical timer 4 Electronic timer Fig 2 31 Electrical diagram of 3 phase LE LT5 up to 10 LE15 20 and LF5 up to 10 with star delta starter and CD dryer F1 3 Fuses F4 Overload relay K...

Страница 43: ...13 7 25 LE LF LT3 230 9 3 16 LE LF LT3 400 5 6 10 LF LT5 230 15 7 25 LE LF LT5 400 9 3 16 LE LF LT7 230 20 3 25 LE LT7 400 12 4 25 LT10 400 14 7 25 60 Hz Type Voltage Overload relay Fuses V A A LE LF LT2 230 8 1 10 LE LF LT2 440 4 1 10 LE LF LT3 440 5 7 10 LE LT5 380 11 1 25 LE LT5 440 9 8 16 LE LT5 460 9 4 16 LE LT7 230 25 1 40 LE LF7 440 12 8 25 LE LT7 575 8 3 10 LE LT10 230 28 5 40 LE LT10 460 ...

Страница 44: ... 230 12 2 25 LE LF LT7 500 5 5 16 LE LF LT10 230 14 5 40 LE LF LT10 400 8 5 25 LF10 500 7 0 25 LE15 230 21 5 63 LE15 400 13 1 40 LE15 500 9 8 25 LE20 230 29 4 63 LE20 400 16 9 40 LE20 500 13 7 40 Type Voltage Overload relay Fuses V A A LT15 30 230 22 4 40 LT15 30 400 12 9 25 LT15 230 22 4 40 LT15 400 12 9 25 LT20 230 30 8 63 LT20 400 17 9 40 LT20 30 230 30 8 63 LT20 30 400 17 9 40 2920 1585 00 44 ...

Страница 45: ...0 1 40 LE15 460 12 7 40 LE20 230 27 2 63 LE20 380 16 7 40 LE20 440 17 6 40 LE20 460 17 0 40 Type Voltage Overload relay Fuses V A A LT15 30 230 28 63 LT15 30 380 15 7 40 LT15 230 28 63 LT15 380 15 7 40 LT20 380 18 1 40 LT20 30 380 18 1 40 2 4 3 Cable size Starter Cable size mm LE LF LT2 3 DOL 2 5 LE LF LT5 7 DOL 4 LT10 DOL 6 LE LT5 Y D 2 5 LE LF LT7 Y D 4 LE LF LT10 LT15 60 LT15 30 Y D 6 LE15 LT15...

Страница 46: ...ng voltage 6 Switch off voltage and depressurize before maintenance or repair 7 Read Instruction book before starting 8 Consult Instruction book for correct direction of rotation 9 Do not adjust switch if it is depressurized Fig 2 32 Pictographs typical examples 2920 1585 00 46 ...

Страница 47: ...ck for correct direction of rotation as indicated by the arrow on the fan housing If the rotation direction is wrong switch off the voltage and reverse two of the input line connections 6 Check the operation of the air pressure switch See section 5 4 or 5 5 Check the operation of pilot valve RV on LE LF LT Trolley See section 5 6 3 2 Starting LE LF LT 1 On LE LT check the oil level which must be n...

Страница 48: ... see section 5 6 8 Turn the regulating knob of the pressure regulator 14 Fig 1 12 clockwise or anti clockwise to increase or decrease the pressure at the outlet of the pressure regulator 9 Regularly drain condensate Dm Fig 1 16 3 3 Stopping LE LF LT 1 Move switch 4 Fig 5 6 to position 0 or push switch S1 Fig 2 26 to position 0 2 Close air outlet valve AV Figs 1 4 1 6 3 Switch off the voltage If a ...

Страница 49: ...s follows 1 Stop the compressor and close the air outlet valve s 2 Switch off the voltage and disconnect the compressor from the mains 3 Depressurize the compressor 4 Shut off and depressurize the part of the air net which is connected to the outlet valve Disconnect the compressor from the air net 5 On LE LT drain the oil 2920 1585 00 49 ...

Страница 50: ...e 4 4 5 3 3 4 2 Inspect air filter Yearly 500 4 4 5 3 3 4 2 On LF10 LE15 LT15 60 LT15 and LE LT20 replace air filter 600 4 4 5 3 3 4 2 On LE LT5 7 10 and LF5 7 replace air filter 800 4 4 5 3 3 4 2 On LE LF LT2 3 replace air filter 2000 2 Change blow off silencer if provided 2000 4 3 On LE LT if mineral oil is used change oil 2 yearly 3000 4 3 5 On LE LT if Atlas Copco PAO oil is used change oil 30...

Страница 51: ...4 Service kits Service kits are available offering the benefits of genuine Atlas Copco parts while keeping the maintenance budget low The kits comprise all parts needed for servicing Consult the Parts list for the contents of all kits Service kit for air filter AF Ordering number Ref on Fig 4 1 For LE LF LT2 3 1503 6143 60 2 For LE LF LT5 up to 7 and LE LT10 50 Hz 1503 6129 60 2 For LE10 60 Hz LF1...

Страница 52: ...5 60 and LT15 1503 6140 60 1 For LT20 1503 6141 60 1 Footnotes chapter 4 1 Use only authorized parts Any damage or malfunction caused by the use of unauthorized parts is not covered by Warranty or Product Liability 2 Whichever interval comes first The local Sales Company may overrule the maintenance schedule especially the service intervals depending upon the environmental and working conditions o...

Страница 53: ...mental and working conditions ambient temperature working pressure load cycle oil type the local Sales company may overrule the maintenance schedule consult Atlas Copco 5 2 Valves A faulty valve must be replaced immediately A faulty valve can be discovered as stated in section 6 points 1 and 4 Consult Atlas Copco It is highly recommended to replace the valve discs O rings and gaskets if disassembl...

Страница 54: ...E10 60 Hz LE15 20 LF10 LT20 LT20 30 1 Bolt 2 Joint 3 O ring 4 Spring 5 Outlet valve guard 6 Outlet valve disc 7 Valve seat 8 Inlet valve disc 9 Guide pin 10 Joint 11 Cylinder 12 Cylinder cover 13 Cylinder head 14 Joint 15 Outlet cap 16 Joint Figs 5 1 up to 5 3 Cylinder heads 2920 1585 00 54 ...

Страница 55: ...ecessary remove the carbon deposits from the inlet valve guard at the cylinder top Take care that no dirt drops into the cylinder X X X Clean and inspect all parts X X X Fit a new joint 10 Do not stretch the cord while inserting it in its groove the ends should meet X X X Put a new inlet valve disc 8 into place and install valve seat 7 X X X Fit a new O ring 3 and joint 2 X X X Install a new outle...

Страница 56: ...he cap on top of cover 1 Fig 1 1 Lift off the cover and filter element Take care that no dirt drops inside the suction silencer On LE10 60 Hz LF10 and LE15 20 unscrew cap 1 Fig 1 7 and take out the air filter Take care that no dirt drops inside the suction silencer 3 Using a damp cloth clean the filter chamber and cover Discard damaged elements 4 Install the new element cover and cap 2920 1585 00 ...

Страница 57: ... switched on again Adjustment The maximum pressure is controlled by adjusting screw 4 Turn the screw clockwise to raise the maximum or stopping pressure anti clockwise to lower it The pressure difference is adjusted by means of screw 5 To reduce the difference between the stopping and starting pressures i e increase the starting pressure turn the screw anti clockwise To increase the pressure diffe...

Страница 58: ...Instruction book Example LE Stopping pressure 7 bar e Starting pressure adjustable between 3 and 5 7 bar e Fig 5 6 Pressure difference diagrams MDR4S 11 bar and MDR4S 25 bar 2920 1585 00 58 ...

Страница 59: ... to lower it The pressure difference between starting and stopping is adjusted by means of adjusting screw 3 The adjustment range is given in Fig 5 8 Turn the screw anti clockwise to reduce the pressure difference clockwise to increase it 1 Dial overload relay 2 Adjusting screw stopping pressure 3 Adjusting screw pressure difference 4 On off switch Figs 5 7 Air pressure switch MDR3 with ON OFF swi...

Страница 60: ...g the red handle 1 90 degrees the plunger of the valve will be lifted releasing the spring force The air pressure from the pulsation dampers will force down unloader plunger 12 Fig 1 12 the compressor will run unloaded By turning handle 1 90 degrees further the plunger returns to its original position so that the pilot valve will again unload and load the compressor at the pre set pressures Settin...

Страница 61: ...ed air outlet valve 5 7 2 Testing on LE LF LT Trolley 1 Close the air outlet valves depressurize and disconnect the hoses from the valves 2 Loosen the red handle of the pilot valve 1 Fig 5 9 and the two nuts 3 3 Open outlet valve AV1 Fig 1 16 a fraction Start the compressor 4 Gradually turn adjusting screw 2 Fig 5 9 clockwise while checking pressure gauge Gp Fig 1 16 If the safety valve has not op...

Страница 62: ... malfunctioning b See 1f c Solenoid valve out of order c See 1g d Blow off silencer 1 choked d Replace 3 Air receiver pressure rises above maximum and causes safety valve to blow a Air pressure switch or pilot valve 1 incorrectly set or out of order a Check Replace switch or valve if necessary b Solenoid valve defective b See 1g c Unloader malfunctioning c See 1f d Blow off silencer choked d See 2...

Страница 63: ...ad relay If the relay cuts out again after starting see point 9 c Air pressure above pre set starting pressure c Compressor will start when air pressure is lower than pre set starting pressure of air pressure switch 9 Overload relay cuts out a Overload relay incorrectly set a Check and adjust Reset relay b Solenoid valve out of order b See 1g c Unloader plunger jammed c See 1f d Blow off silencer ...

Страница 64: ...g pressure for LE Trolley bar e 9 5 9 5 9 5 9 5 9 5 9 5 9 5 Pre set pressure difference for LE Trolley bar 1 1 1 1 1 1 1 Temperature at outlet valve approx Unsilenced compressor C 40 44 66 59 80 65 91 Silenced compressor C 48 52 74 67 88 73 99 Power input at max working pressure kW 1 82 2 54 4 57 6 11 8 28 10 69 14 92 Motor shaft speed r min 1500 1500 1500 1500 1500 1500 1500 Free air delivery 2 l...

Страница 65: ...ilenced compressor C 57 62 88 82 67 75 135 Power input at max working pressure kW 2 36 3 38 6 36 7 57 9 97 12 83 17 87 Motor shaft speed r min 1800 1800 1800 1800 1800 1800 1800 Free air delivery 2 l s 3 9 5 1 9 7 13 6 17 4 21 9 28 2 Oil capacity l 0 8 0 8 0 8 1 4 1 7 1 7 1 7 Opening pressure of safety valve not for Block Power Pack bar e 11 11 11 11 11 11 11 Maximum sound pressure level 1 Standar...

Страница 66: ...rsion dB A 82 83 83 84 86 Silenced Tank mounted version dB A 69 70 70 74 77 Base mounted version dB A 67 68 68 72 74 7 4 2 60 Hz Compressor type LF2 LF3 LF5 LF7 LF10 Maximum working pressure for LF bar e 10 10 10 10 10 Maximum working pressure for LF Trolley bar e 9 5 9 5 9 5 9 5 9 5 Pre set pressure difference for LF Trolley bar 1 1 1 1 1 Temperature at outlet valve approx Unsilenced compressor C...

Страница 67: ...d pressure level 1 Standard version dB A 78 79 79 80 81 Silenced Tank mounted version dB A 65 66 66 70 70 Base mounted version dB A 63 64 64 68 68 7 5 2 60 Hz Compressor type LT2 LT3 LT5 LT7 Maximum working pressure for LT bar e 15 15 15 15 Maximum working pressure for LT Trolley bar e 13 7 13 7 13 7 13 7 Pre set pressure difference for LT Trolley bar 1 1 1 1 Temperature at outlet valve approx Uns...

Страница 68: ...on dB A 78 79 79 80 81 85 86 5 86 Silenced Tank mounted version dB A 65 66 66 70 70 76 77 80 Base mounted version dB A 63 64 64 68 68 72 75 7 6 2 60 Hz Compressor type LT2 LT3 LT5 LT7 LT15 60 LT15 LT20 Maximum working pressure bar e 20 20 20 20 20 20 20 Temperature at outlet valve approx Unsilenced compressor C 40 53 65 50 55 85 98 Silenced compressor C 48 61 73 58 63 90 103 Power input at max wor...

Страница 69: ...ure level 1 Standard version dB A 79 79 80 81 85 86 Base mounted version dB A 64 64 68 68 76 80 7 7 2 60 Hz Compressor type LT3 LT5 LT7 LT15 30 LT20 30 Maximum working pressure bar e 30 30 30 30 30 Temperature at outlet valve approx Unsilenced compressor C 53 65 49 55 105 Silenced compressor C 61 73 57 63 110 Power input at max working pressure kW 3 44 5 77 7 63 8 42 16 4 Motor shaft speed r min 1...

Страница 70: ...1 8 x F 1 Footnote chapter 8 1 A temperature difference of 1 C a temperature difference of 1 8 F 9 PED Pressure Equipment Directive 9 1 Components subject to 97 23 EC Pressure Equipment Directive Components subject to 97 23 EC Pressure Equipment Directive greater than or equal to Category II Part number Description PED Class 0830 1007 40 Safety valve IV 0830 1007 71 Safety valve IV 0830 1007 72 Sa...

Страница 71: ...Instruction book Notes 2920 1585 00 71 ...

Страница 72: ...Instruction book Notes 2920 1585 00 72 ...

Страница 73: ... a l l n o t b e r e l i e d u p o n f o r i s o l a t i n g p r e s s u r e s y s t e m s 1 2 Neverremoveortamperwiththesafetydevices guardsorinsulations f i t t e do nt h eu n i t E v e r yp r e s s u r ev e s s e lo ra u x i l i a r yi n s t a l l e do u t s i d e t h e u n i t t o c o n t a i n a i r a b o v e a t m o s p h e r i c p r e s s u r e s h a l l b e p ro t e c t e d b y a p r e s s...

Страница 74: ... t i v e l yi s o l a t et h e u n i t f r o m a l l s o u r c e s o f p r e s s u r e a n d r e l i e v e t h e e n t i r e s y s t e m o f p r e s s u r e 5 Never use flammable solvents or carbon tetrachloride for cleaning p a r t s Take safety precautions against toxic vapours of cleaning l i q u i d s 6 Scrupulously observe cleanliness during maintenance and repair Keep dirt away by covering t...

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