Gardner Denver ELECTRA-SCREW EBE DD Series Operating And Service Manual Download

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Summary of Contents for ELECTRA-SCREW EBE DD Series

Page 1: ...13 8 609 1st Edition ELECTRA SCREW STATIONARY BASE MOUNTED TANK MOUNTED COMPRESSORS MODELS EBE_DD 15 HP EBE_ED 20 HP EBE _FD 25 HP EBE_GD 30 HP OPERATING AND SERVICE MANUAL COOPER Gardner Denver Indus...

Page 2: ...pressor with these services 1 Trained parts specialists to assist you inselect ing the correct replacement parts 2 Factory warranted new and remanufactured rotary screw air ends Most popular model rem...

Page 3: ...1 WARNING Failure to observe a WARNING notice could result in damage to equipment CAUTION CAUTION notices set forth general reminders of good safety practice or direct attention to unsafe practices NO...

Page 4: ...ION 2 2 1 instruments 4 2 LED Change Air Filter 4 4 LED Change Separator 4 4 LED High NrTemperature 4 3 LED Motor Overload 4 3 Lifting Unit 2 1 Location 2 l Lubricant Addition of Oil Between Changes 5...

Page 5: ...re of the main rotor lobe enters the secondary rotor grove normal volume is reduced and pressure increases v Oil is injected into the cylinder to remove the heat of compression and seal internal clear...

Page 6: ...OIL SEPARATOR OIL RESERVOIR FILLER bE E vE ST RE ERATOR TH RM CONTROL MIXING VALVE OIL FILTER BY PASS PIPING OIL RESERVOIR FIGURE 2 1 13 8 609 Section 1 Page 2...

Page 7: ...OIL LEVEL SIGHT GAUGES n R LTER STARTER CONTROL RESERVOIR OIL DRAIN FIGURE 3 1 13 8 609 Sectionl Page3...

Page 8: ...ver bypass safety devices DANGER Failure to observe these notices could result in injury to or death of personnel o ee finaers and cIothina awa y from revolving fan drive coupling etc Do not use the a...

Page 9: ...C REMCVING VALVCS CAPS PLUGS FIT TINGS BOLTS ANO FILTERS r A DAINi m HIGH VOLTAGE ROTATING MACHINERY AIR ANO OIL UNOEil PRESSURE IMPROPER MODIFICATION DO NOT MODIFY OF COUIPMCNT WILL UNIT WITHOUT CAUS...

Page 10: ...ALLY El CLICTRICAL ARCING CAN CAUSE A FIRE WHfN UNIT IS MOUNTED ON A COMBUSTIBLE SURfACC RESULTING IN PERSONAL INJURY OR PROPERTY DAMAGE UNIT MUST 6 MOUNTED ON A FLOOR PLAT EXTfNOING ON ALL SIOCS SfE...

Page 11: ...ombination oil aftercooler is supplied as standard equipment on all air cooled units The air cooled unit with the standard enclosure requires sufficient flow Figure 2 2 for the compressor oil aftercoo...

Page 12: ...ded for maintenance access Be sure to allow enough space around the unit for the doors to open completely Any of the enclosure doors maybe removed by o enina thedoor and lifting it up slightlyto disen...

Page 13: ...and a means of draining condensate MOISTURE SEPARATOR TRAP Since unit is equipped with a buiit in aftercooler a combination mois ture separator and trap is furnished with the unit CONTROL PIPING Cont...

Page 14: ...sult in con troller malfunction MOTOR LUBRICATION Long time satisfactory oper ation of an electric motor depends in large measure on proper lubrication of the bearings The following charts show recomm...

Page 15: ...ical Examples Rating Relubrication Interval Standard One or Two Shift Operation 150 HP Below 18 Months Severe Continuous Operation 150 HP Below 9 Months Very Severe Dirty Locations High 150 HP Below 4...

Page 16: ...he oil reservoir and the oil level may read higher than when oper ating on load DO NOT DRAIN OIL TO CORRECT on the next loaded cycle or start oil will again fill the system and the gauge will indicate...

Page 17: ...ished between the main air system and the check valve on the package 2 If the unit is water cooled open any manual water inlet valves wide open 3 Start the unit by pushing either the CONSTANT RUN or o...

Page 18: ...sure The Separator differ ential pressure iscontinual y monitored by the micropro cessor controller At a differential of approximately 8 PSI the CHANGE SEPARATOR LED located on the control keypad flas...

Page 19: ...cation Oil Cooler Oil Filter and Separator for information on how to correctly read these gauges All other instruments are a part of the microprocessor controller See Air Control Compo nents below AIR...

Page 20: ...shut down modes stops operation of the unit Find and correct the malfunction before resuming operation CONSTANT RUN Button With LED This button is used to operate the unit in the constant run mode In...

Page 21: ...LEAD button This will cause the readout to display the alternate pa rameters This alternate display mode is indicated by illuminated decimal points in the lower right hand corner of each display Afte...

Page 22: ...ntarily energized givinq a slight rotation that is short enough in duration to prevent reverse oil flow in the event that rotation is reversed Press Reset to exit jog mode See Note C The displays will...

Page 23: ...on the control panel to schedule the mode changes the operating hours can be kept as close as possible equal izing machine wear and minimizing mainte nance costs 110 105 100 95 90 85 0 Tti 0 5 10 15 D...

Page 24: ...Close the air service valve and start the unit in the CONSTANT RUN mode Allow unit to reach the pressure at which the subtractive pilot fully unloads the compressor Turn in the adjusting screw until...

Page 25: ...m i sTOP RESET HIGH TEMPERATURE m CONSTANT MOTOR RUN OVERLOAD n m AUTO LEAD CHANGE SEPARATOR AUTO LAG CHANGE AIR FILTER FIGURE S 4 AUTO SENTRY SOLID STATE CONTROL TOUCH PAD 13 8 809 Section4 Page8...

Page 26: ...8EBE546 s I I r 13 8 609 Section 4 Page 9 0 a...

Page 27: ...sor lubricant is Gardner Denver AEON 4000 Lubricat ing Coolant which can be used for year round operation except as noted in the High Temperature Operation paragraph below or low temperature see insta...

Page 28: ...nts such as air line lubricat ing bowls gaskets and valve trim AEON 9000 Synthetic Lubricant is not compatible with low nitrile Buna N or acrylic paints AEON 9000 is com patible with most air system d...

Page 29: ...and assist in planning the change interval DRAINING AND CLEANING OIL SYSTEM DANGER Air oil under ressure will cause se r vere persona injury or death Shut down compressor and relieve system of all pr...

Page 30: ...g on oper ation conditions Filter element left in see ce too long may damage equip Use only the replacement element shown on the filter tag or refer to the parts list for the part number Use the follo...

Page 31: ...carry over malfunctions of the oil separator are usu ally due to using elements too long heavy ditt or varnish deposits caused by inadequate air filter service use of improper oil or using oil too lon...

Page 32: ...r at the discharge housing Compressor Oil Inlet Temperature 165 to 175 F Install tee at oil filter outlet and check with thermometer Oil Inlet Pressure Check at the fiiing in the line near the compres...

Page 33: ...ts Genuine parts are available through your authorized Gardner Denver distributor To service 1 Loosen retaining band clamp and remove the dust cup from the body of the filter 2 Visually inspect the el...

Page 34: ...placing a bright light inside the element 2 Pressure drop through a filter with a freshly cleaned element is below three 3 inches of water with compressor running at full load this would indicate a ru...

Page 35: ...ts over the fan CAUTION Interference between the fan and the orifice can damage equipment Be cer tain the orifice has even clearance around the fan before starting the unit CHECKING BELT TENSION Using...

Page 36: ...cooling fan If cleaning is required clean the exterior fin surfaces of the cores by blow ing compressed air carrying a nonflammable safety solvent in a direction opposite that of the cooling fan air f...

Page 37: ...in starter control box Motor starter overload heaters trip 1 Improperly adjusted control 2 Air leak in control lines 3 Restricted control line 4 Subtractive pilot or blow down valve malfunction Chang...

Page 38: ...tuck open 2 Dirty or clogged coder face 3 Imn ient cooling 4 Clogged oil filter or coder interior 5 Low Compressor oil 1 Oil carryover through lines 2 Oil leaks at all fittings and gaskets 1 Increase...

Page 39: ...sure valve Operation at elevated 7 discharge temperatures Scaven e line check 7 8 valve fal ure Water condensate in oil 9 Tighten or replace faulty lines Replace element Tighten all fittings and gaske...

Page 40: ...compressor at a pressure over nameplate pressure Incoming voltage low or high Imbalancecf voltage check phase to hase 13 8 609 Section 9 Page 4 1 2 3 4 5 1 2 3 4 5 6 7 1 2 3 Change Separator Verify r...

Page 41: ...o motor name plate amps 1 Clean or replace 1 Measure the AC voltage between wire number 7 and connector 6 at board If the reading is zero replace the vacuum switch 2 Measure the AC voltage between wir...

Page 42: ...Capscrew leaking 4 Shaft seal leaking 3 Measure the DC voltage between the white and black wires of the corresponding transducer at the control board with zero pressure on the transducer If 3 10 to 3...

Page 43: ...rate schedule WARRANTY ROTARY SCREW COMPRESSORS OIL INJECTED OIL FREE Labor costs in excess of the Company rate schedules caused by but not limited to location or inaccessibility of the equipment or...

Page 44: ...ormation contact Gardner Denver Industrial Machinery Division 1800 Gardnar Expressway Quincy Illinois 62305 4024 Telephone 217 224 8800 FAX 217 224 7814 Telex 404332 WedlkabrIS SUMCI to chanoe wilhwln...

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Gardner Denver ELECTRA-SCREW EBE DD Series, Operating And Service Manual

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