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C H A P T E R O V E R V I E W ......................Operating Instructions .......................... Spare Parts Lists Options (if equipped) ........................ Attachment ............................ Manufacturer in terms of 97/23/EC The full name and address of the manufacturer is: Lenhardt &...
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S E R V I C E I N F O R M A T I O N / W A R R A N T Y Compressor information Type designation Serial number Date of construction Purchase information Purchase date First commissioned on Warranty period Dealer's stamp...
Ventilation LW 225 E ........................26 Electrical Installation LW 245 E ....................27 - 28 Operation Important operation instructions ..................... 30 First commissioning LW 225 E ....................31 - 32 First commissioning LW 245 B ......................33 Daily commissioning ........................34 Filling procedure ..........................35 Switch off the compressor .......................
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Maintenance and Service Service, Repair and Maintenance ..................... 43 Maintenance Lists / Maintenance Intervals ................44 - 46 Service Kits LW 225 E ........................47 Service Kits LW 245 B ........................48 Check V-belt tension / Tension V-belt / Settings ................49 Compressor lubrication / Check oil level ...................
Indicates a potentially hazardous situation which, if not avoided, could result in physical injury or damage to the product or environment. Note Indicates additional information on how to use the unit. LW 225 E / LW 245 B Page A - 4 Version: 19.11.2015...
16A CEE plug. LW 245 B High performance 4 gear motor (6 kW) with integrated fuel tank. Pull start, auto cut off at low oil level. LW 225 E / LW 245 B Page A - 5 Version: 19.11.2015...
D E S C R I P T I O N Scope of Delivery LW 225 E User-friendly compressor with electric motor and in a compact design. The portable LW 225 E is ideal for mobile applications or occasional filling operations. Versions Filling pressure versions: •...
• Switch over device for 200 or 300 bar • Hour counter • Motor protection switch • Automatic stop at final pressure • Conversion set: Petrol-/electro version LW 225 E / LW 245 B Page A - 7 Version: 19.11.2015...
Dimensions L x W x H [mm]: 780 x 450 x 560 920 x 450 x 570 Weight [kg]: approx 92 approx 99 Content Volume Filter housing [l]: LW 225 E / LW 245 B Page A - 8 Version: 19.11.2015...
D E S C R I P T I O N Unit Assembly LW 225 E Designation Pressure gauge Filling hose with filling valve Filter housing Phasen selector switch LW 225 E / LW 245 B Page A - 9 Version: 19.11.2015...
Phase selector switch LW 225 E Designation Switch position 0 - OFF Switch position 1 - ON - Rotation 1 Switch position 2 - ON - Rotation 2 LW 225 E / LW 245 B Page A - 10 Version: 19.11.2015...
D E S C R I P T I O N Unit Assembly LW 245 B Designation Pressure gauge Filling hose with filling valve Filter housing Hand start LW 225 E / LW 245 B Page A - 11 Version: 19.11.2015...
Only trained personnel are permitted to work on the unit! Warning Work on the electrical equipment on / with the machine / unit may only be carried out by qualified electricians. LW 225 E / LW 245 B Page A - 14 Version: 19.11.2015...
Importance of notes and warning signs that are affixed to the compressor according to the application or its equipment. Warning Note High voltage! Ensure correct direction of rotation! LW 225 E / LW 245 B Page A - 15 Version: 19.11.2015...
• Do not use the product in areas prone to explosion or in the presence of flammable gases. The product is not designed for these applications. An explosion might be the result if certain conditions apply. LW 225 E / LW 245 B Page A - 16 Version: 19.11.2015...
• When handling with fats, oils and other chemical agents, observe the note for the product- related safety. • Check all additional safety notices for the petrol engine in the specific handbook (LW 245 B Versions) LW 225 E / LW 245 B Page A - 17 Version: 19.11.2015...
• Only personnel with particular knowledge and experience in gas equipment may carry out work on gas equipment. • Any work on the petrol engine should be done in accordance with ist specific handbook. (LW 245 B Versions) LW 225 E / LW 245 B Page A - 18 Version: 19.11.2015...
No guarantees whatsoever are valid for damage caused or favoured by the non-consideration of these directions for use. LW 225 E / LW 245 B Page A - 19 Version: 19.11.2015...
I N S T A L L A T I O N Installation in closed rooms - LW 225 E Danger No operation in explosion-hazard areas. The unit is not approved for operation in areas prone to explosion. For installation in closed rooms, observe the following: •...
• Observe the specified operating temperature (see "Technical Data")! Intake air Intake air Intake air Intake air Wind Wind Wind Wind Exhaust gases Exhaust gases Exhaust gases Exhaust gases LW 225 E / LW 245 B Page A - 22 Version: 19.11.2015...
• No minimum distances are required at the side panels. 300 mm 300 mm Fig. Minimum distances LW 160 E Hinweis Do not use LW 245 B in closed rooms! LW 225 E / LW 245 B Page A - 25 Version: 19.11.2015...
• The fan capacity for fresh air and warm air must meet at least the required cooling air flow. The fans must have the same capacity. Fig. Ventilation via ventilation stack LW 225 E / LW 245 B Page A - 26 Version: 19.11.2015...
• When connecting the unit to the electrical supply, check the compressor direction of rotation (see chapter "Operation -> First commisioning - LW 225 E/E1). • Fuse the motor correctly (see table; use slow-blow fuses). LW 225 E / LW 245 B Page A - 27 Version: 19.11.2015...
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Recommended fuses for 220 - 240 V operating voltage Nominal motor power Fusing start A Connection in mm² [kw] Direct Star/Delta Contactor supply S/D* to Motor 14,8 19,6 * S/D - Star / Delta. LW 225 E / LW 245 B Page A - 28 Version: 19.11.2015...
Ensure that all persons handling the compressor are familiar with function and operation of the unit. Wear hearing protection When working on a running machine, always wear hearing protection. LW 225 E / LW 245 B Page A - 30 Version: 19.11.2015...
- Drain test - press the test button - If correct, air escapes Stop the compressor by switching in position 0. Open all filling valves carefully to vent. LW 225 E / LW 245 B Page A - 31 Version: 19.11.2015...
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F I R S T C O M M I S S I O N I N G - L W 2 2 5 E Check turning direction - LW 225 E Warning Wrong rotation direction! Immediately after switching the compressor on, check rotation direction. Depending on the place of installation, the phase sequence can influence the rotation direction.
- If correct, air escapes 10. Stop the compressor by the toggle switch (position 0), and close the fuel shut-off valve. 11. Open all filling valves carefully to vent the unit. LW 225 E / LW 245 B Page A - 33 Version: 19.11.2015...
• Check if filter cartridge is in place / observe filter cartridge life! • Check fuel capacity. • Check drive motor oil level. • Ensure toxic-free, pure intake air. LW 225 E / LW 245 B Page A - 34 Version: 19.11.2015...
Fill the compressed air cylinders to the desired pressure; close slowly the valves of the cylinders. Switch off the compressor. Close and vent all filling valves. Disconnect all compressed air cylinders from filling valves. 10. Open condensate drain valves manually. LW 225 E / LW 245 B Page A - 35 Version: 19.11.2015...
During filling process, the system can be shut down at any time by switching the phase selector switch in position 0. Switch off the compressor unit LW 225 E • Stop compressor by switching the phase selector switch in position 0.
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Cylinder(s), piston(s) or piston ring(s) used up Replace V-belt slips Tension V-belt See chapter "Final pressure can not be reached" See chapter "Final pressure can not be reached" LW 225 E / LW 245 B Page A - 38 Version: 19.11.2015...
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Mole carbon filter cartridge saturated Replace Compressor oil unsuitable Use prescribed oil quality Filter cartridge unsuitable Use prescribed filter type Cylinder(s), piston(s) or piston ring(s) defective Replace LW 225 E / LW 245 B Page A - 39 Version: 19.11.2015...
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Opening pressure of the pressure maintaining Correct settings valve too high Fuse / circuit breaker has tripped Check fusing of the power supply / observe Valid only for E models regulations LW 225 E / LW 245 B Page A - 40 Version: 19.11.2015...
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Operating temperature too high Observe prescribed operating temperatures Oil leak at the compressor block Tighten corresponding mounting screws, if necessary replace corresponding paper sealing / o-ring / shaft seal LW 225 E / LW 245 B Page A - 41 Version: 19.11.2015...
Carry out maintenance or service work when the unit is switched off and protected against unexpected restart. Warning Risk of burns! Carry out maintenance or service work when the unit has cooled down. LW 225 E / LW 245 B Page A - 43 Version: 19.11.2015...
Check opening pressure of final safety valve Clean coolers Clean all oil/water separators, if less than 250 operating hours Service intake filter (depends on condition - if less than 500 operating hours) LW 225 E / LW 245 B Page A - 44 Version: 19.11.2015...
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Check all connections for leaks Note All stated quantities are parts of our 500h and 1000h service kits. You can find an overview on page Service Kits. LW 225 E / LW 245 B Page A - 45 Version: 19.11.2015...
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2nd stage (incl. gasket) 000031 3rd stage (incl. gasket) 000032 Note All stated quantities are parts of our 1000h service kit. You can find an overview on page Service Kits. LW 225 E / LW 245 B Page A - 46 Version: 19.11.2015...
LW 225 E 60 Hz 500 h 006772 LW 225 E 60 Hz 1000 h 006773 Service Kits LW 225 E (Versions up to end of 2007) Compressor Frequency Operating Hours Order No. LW 225 E 50 Hz 500 h...
Service Kits LW 245 B (Versions up to end of 2007) Compressor Frequency Operating Hours Order No. LW 245 B 500 h 006770 LW 245 B 1000 h 003950 LW 225 E / LW 245 B Page A - 48 Version: 19.11.2015...
M A I N T E N A N C E A N D S E R V I C E Check V-belt tension The compressors of LW 225 E and LW 245 B are driven by V-belts. Check correct V-belt tension regularly, adjust if necessary. The V- belt could lose tension during transportation.
L&W. (P/N: 000001) Only LW 245 B Drive motor oil change intervals: see manufacturer's specification for the drive motor. (L&W P/N: 000004) LW 225 E / LW 245 B Page A - 51 Version: 19.11.2015...
(not the o-ring of the valve spindle). All oil / water separators have integrated o-rings which need to be replaced every 500 operating hours (incl. o-ring of the valve spindle). LW 225 E / LW 245 B Page A - 52 Version: 19.11.2015...
Filter cartridges should be changed at the following intervals, at +20°C or more often, depending on humidity and ambient temperature: • 15 hours for LW 225 E (P/N: 001374) • 11,3 hours for LW 245 B (P/N: 001464) LW 225 E / LW 245 B Page A - 54 Version: 19.11.2015...
001374 DIN EN 12021 (Breathing LW 225 E air) 001464 DIN EN 12021 (Breathing LW 245 B air) incl. CO/CO2 Fig. 3 - Filter cartridge and spring LW 225 E / LW 245 B Page A - 55 Version: 19.11.2015...
Maintenance intervals We recommend that the filter cartridge should be replaced every 500 working hours (depending on pollution grade). Intake filter LW 225 E / LW 245 B Page A - 57 Version: 19.11.2015...
To change the inlet– and outlet valves it is necessary to remove the fan protection cover! Fig. 2 - In – and outlet valve c/w gaskets 2nd stage (top) und 3. Stufe (below) LW 225 E / LW 245 B Page A - 59 Version: 19.11.2015...
The fan protection cover mounting is now completed. Fig. 1 - Remove top mounting Fig. 2 - Remove protection plate Fig. 3 - Loosen both bottom screws mounting screws LW 225 E / LW 245 B Page A - 60 Version: 19.11.2015...
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Install inlet / outlet valve - see following page Fig. 2 - Pipe connection Fig. 3– Valve head screws Fig. 5 - Remove in– and outlet valve Fig. 4 - Lower valve gasket LW 225 E / LW 245 B Page A - 61 Version: 19.11.2015...
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Fig. 4 - Take care to kkeep valve in outlet valve outlet valve place Fig. 5 – Valve head screws Fig. 6 - Pipe connection Fig. 7 - Fix spring wire clamp LW 225 E / LW 245 B Page A - 62 Version: 19.11.2015...
Fig. 4 - Remove valve head with inlet Fig. 5 - Ensure correct valve position Fig. 3 - and outlet valve (centre pin) from the cooling pipe bracket LW 225 E / LW 245 B Page A - 64 Version: 19.11.2015...
An integrated circlip avoids complete unscrewing. If a safety valve blows off, it indicates problems with either inlet or outlet valve of the following stage. Note Replace defective safety valves immediately! LW 225 E / LW 245 B Page A - 65 Version: 19.11.2015...
/ condensate drain valves. After compressor stop, the indicated filling pressure remains constant, if the non return valve is working correctly. LW 225 E / LW 245 B Page A - 66 Version: 19.11.2015...
(final pressure = 0 bar). When valve settings are not clear (e.g. after disassembly / repair), start the adjustment with a low basic setting (turn adjusting bolt 3 full turns in). LW 225 E / LW 245 B Page A - 67 Version: 19.11.2015...
• Change o-ring, previously grease new o-ring • Connect filling hose to the filling valve and tighten Fig. 1 - O-ring at the filling valve Fig. 2 - O-ring at the filling hose LW 225 E / LW 245 B Page A - 68 Version: 19.11.2015...
• Check/Ensure the alignment of both key slots (motor & compressor) • Tension V-belt • Tighten flange mounting screws • Place V-belt cover and tighten mounting screws • Ensure clearance of the V-belt cover LW 225 E / LW 245 B Page A - 69 Version: 19.11.2015...
2. Examination after 10 years by a qualified person or authorized organisations. Visual inspection, inside and outside. In addition, a water pressure test is carried out at 1.5 times of the permissible vessel operating pressure. LW 225 E / LW 245 B Page A - 70 Version: 19.11.2015...
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By adding themselves to this list, the person that signs it confirms having been given a yearly introduction/instruction about the function and operation of the compressor unit.Furthermore, they have be informed about the relevant safety rules and regualtions (TRG, DGRL, BetrSichV, GSG, GSGV). LW 225 E / LW 245 B Page A - 72 Version: 19.11.2015...
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M A I N T E N A N C E R E C O R D S Top up oil, oil change Date Operating hours Oil quantity [l] Name LW 225 E / LW 245 B Page A - 73 Version: 19.11.2015...
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M A I N T E N A N C E R E C O R D S Cartridge change Date Operating hours Difference Name LW 225 E / LW 245 B Page A - 74 Version: 19.11.2015...
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M A I N T E N A N C E R E C O R D S Maintenance work Description Date, signature LW 225 E / LW 245 B Page A - 75 Version: 19.11.2015...
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M A I N T E N A N C E R E C O R D S Replaced Parts Designation Part number Date, signature LW 225 E / LW 245 B Page A - 76 Version: 19.11.2015...
If compressor unit should be stored for a period of more than one year, an oil change is strongly recommended before it’s been re-used. • Fuel driven units only: fill up fuel tank to top level to avoid corrosion. LW 225 E / LW 245 B Page A - 77 Version: 19.11.2015...
Check safety valve relief pressure of final stage and/or pressure switch setting. • Check all connections and pipe work for leaks. Once all above steps are completed, compressor unit is now ready for use. LW 225 E / LW 245 B Page A - 78 Version: 19.11.2015...
The device can be returned to L&W. Please do not hesitate to contact us if you have any further questions on this issue. LW 225 E / LW 245 B Page A - 79 Version: 19.11.2015...
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E R S A T Z T E I L L I S T E N / S PA R E PA R T S L I S T S D E TA I L A N S I C H T E N / D E TA I L E D V I E W S...
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I n h a l t s v e r z e i c h n i s - T a b l e o f C o n t e n t s Kurbelgehäuse - Crankcase ......................2 Kurbeltrieb - Crank Drive ......................4 Zylinder &...
Woodruff Key 000022 Seegering Circlip 000023 Seegering Circlip 000020 Seegering Circlip 001029 Zylinderschraube Allen Screw 001083 Sechskantschraube Hexagon Screw 001148 Unterlegscheibe Washer 001181 Unterlegscheibe Washer 002065 O-Ring O-Ring Version: 11.02.2014 LW 225 E - LW 245 B B - 4...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Kurbeltrieb / Crank Drive (+35) (+47) (+38) Version: 11.02.2014 LW 225 E - LW 245 B B - 5...
O-Ring Valve seal ring 2nd Stage 002939 Entlüftungsröhrchen Eingang 1. Stufe Ventilation pipe 1st stage 001060 Zylinderschraube Allen Bolt 000038 Distanzscheibe Ventilkopf 1. Stufe Spacer Valve Head 1st Stage Version: 18.11.2015 LW 225 E - LW 245 B B - 6...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Zylinder & Ventilköpfe / Cylinders & Valve Heads Version: 18.11.2015 LW 225 E - LW 245 B B - 7...
Nut M10 004089 Mutter M8 Nut M8 004096 Unterlegscheibe für M8 Washer for M8 004096 Unterlegscheibe für M8 Washer for M8 004097 Unterlegscheibe für M10 Washer for M10 Version: 07.02.2014 LW 225 E - LW 245 B B - 8...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Tragrahmen / Carrying Frame Version: 07.02.2014 LW 225 E - LW 245 B B - 9...
E R S A T Z T E I L L I S T E / S P A R E P A R T L I S T Lüfterrad / Cooling Fan Wheel Pos. Best.-Nr. / P/N. Benennung Description 000025 Lüfterrad Cooling Fan Wheel 002801 Keilriemenscheibe V-belt pulley 001082 Sechskantschraube Hexagon screw 004096 Unterlegscheibe Washer Version: 07.02.2014 LW 225 E - LW 245 B B - 12...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Lüfterrad / Cooling Fan Wheel Version: 07.02.2014 LW 225 E - LW 245 B B - 13...
008160 Distanzscheibe E-Motor, standard Version Spacer Motor, standard version 006675 Distanzscheibe E-Motor, abgeflachte Version Spacer Motor, flatted version 000153 Ein/Aus Schalter m. Phasenwender ON/OFF Switch with phase changer Version: 08.08.2014 LW 225 E - LW 245 B B - 14...
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D E T A I L A N S I C H T / D E T A I L E D V I E W E - Motor Version: 08.08.2014 LW 225 E - LW 245 B B - 15...
Kondensatablaßstutzen Condensate Outlet Sleeve 001321 Kupferring Copper ring 000043 O-Ring, Entwässerungsspindel O-Ring, Condensate Drain Spindle 000016 O-Ring, Gehäuse O-Ring, Housing 001039 Zylinderschraube Allen Screw 004104 Federscheibe Lock Washer Version: 07.02.2014 LW 225 E - LW 245 B B - 18...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Öl-Wasserabscheider 2. Stufe / Oil-Water Separator 2nd stage Öl-Wasserabscheider komplett Complete Oil-Water Separator 000288 Version: 07.02.2014 LW 225 E - LW 245 B B - 19...
000016 O-Ring Filtergehäuse O-Ring Filter Housing 004103 Inbusschraube Allen screw 004104 Federscheibe Lock washer 000069 Düse, Wasserabscheider Jet Water Separator 008453 Dichtsatz Druckhalteventil Seal Kit Pressure Maintaining Valve Version: 27.05.2014 LW 225 E - LW 245 B B - 20...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Filtergehäuse / Filter Housing Öl-Wasserabscheider komplett Complete Oil-Water Separator 000162 Version: 27.05.2014 LW 225 E - LW 245 B B - 21...
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D E T A I L A N S I C H T / D E T A I L E D V I E W Baugruppe: Ansaugfilter / Assembly: Intake Filter Version: 05.07.2013 LW 225 E - LW 245 B B - 25...
E R S A T Z T E I L L I S T E / S P A R E P A R T L I S T Füllschlauch / Filling Hose Best.-Nr. / Order No. Benennung Description 002811 Hochdruckschlauch 10L, HP-Hose 10L 002811 Version: 06.11.2014 LW 225 E - LW 245 B B - 26...
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T a b l e o f C o n t e n t s Auto Shut Down .......................... 2 Automatic Condensation Drain ....................5 Switch Over Device 200+300bar ....................7 Additional Filling Hose LW100 ....................10...
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A U T O S H U T D O W N LW 225 E - 245 B D - 2...
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This considerably reduces the life of the safety valve. Setting Examples: Safety valve Max. Operating Pressure 225 bar 215 bar 250 bar 240 bar 330 bar 320 bar Version: 14.02.2014 LW 225 E - 245 B D - 3...
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A U T O S H U T D O W N Druckschalter / Pressure Switch Best.-Nr. / Order No. Benennung Description 000203 Druckschalter 50-350 bar Pressure Switch 50-350 bar 000712 Verschraubung Connection 000722 Winkelverschraubung Elbow Connection Version: 14.02.2014 LW 225 E - 245 B D - 4...
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A U T O M A T I C C O N D E N S A T I O N D R A I N LW 225 E - 245 B D - 5...
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All oil / water separators have an integrated sinter filter which has to be replaced every 500 operating hours. Version: 14.02.2014 LW 225 E - 245 B D - 6...
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S W I T C H O V E R D E V I C E 2 0 0 / 3 0 0 B A R LW 225 E - 245 B D - 7...
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200 bar. DIN handwheels 200 bar and 300 bar The handwheels are colour-coded to allow an optical differentiation: • 200 bar: black • 300 bar: red Ball valve Version: 14.02.2014 LW 225 E - 245 B D - 8...
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200 bar. The opened ball valve ensures an air flow to the 200 bar fill connector. Switch over device system ATTENTION Operate ball valve only if filterhousing has been vented by using the drainage valve. Drainage valve Version: 14.02.2014 LW 225 E - 245 B D - 9...
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A D D I T I O N A L F I L L I N G H O S E LW 225 E - 245 B D - 10...
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Please refer to Chapter A for all information about the filling process. Best.-Nr. / Order No. Benennung Description 000126 Y-Verteiler Y-Connector 000783 Verschraubung Connection 000799 Verschraubung mit fester Mutter Connection with fixed nut 000799 000126 000783 000783 Version: 09.07.2013 LW 225 E - 245 B D - 11...