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NEW BRUNSWICK SCIENTIFIC G25-KC, Руководство по эксплуатации

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Содержание G25-KC

Страница 1: ...LS G25 KC G25 KLC MODELS R25 KC R25 KLC MANUAL NO M1164 0051 Rev G NEW BRUNSWICK SCIENTIFIC CO INC BOX 4005 44 TALMADGE ROAD EDISON NJ 08818 4005 732 287 1200 TELEPHONE 800 631 5417 FAX 732 287 4222 TELEX 4753012 NBSCO INTERNET http www nbsc com E MAIL bioinfo nbsc com ...

Страница 2: ...ment or part thereof which shall within one year after date of shipment prove to be defective after our examination This warranty does not extend to any NES products which have been subjected to misuse neglect accident or improper installation or application nor shall is extend to products which have been repaired or altered outside the NBS factory without prior authorization from New Brunswick Sc...

Страница 3: ... COMBINATIONS UNDER CERTAIN LOADING CONDITIONS PARTICULARLY WITH HEAVY AND UNEVENLY DISTRIBUTED LOADS VIBRATION MAY OCCUR AND CAUSE DAMAGE TO THE MACHINE ALL G25 2 STROKE MACHINES ARE LIMITED TO MAX 300 RPM OPERATING SPEED NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KCIKLC ...

Страница 4: ...Operation From 5 C Above Ambient to 4 C 9 Setting the Time Switch 11 MAINTENANCE Preventive Maintenance 12 Techniques 12 Corrective Maintenance 13 Replacement ofDrive Belt 13 Drive Motor Lubrication 13 Main Housing Bearing Lubrication 13 Circulation Blower Motor Lubrication 14 Platform Removal 14 Lid Adjustment 14 Thermostat Calibration 14 Overload Protection 16 Replacement Parts 16 Clamp Mounting...

Страница 5: ...NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KC KLC ...

Страница 6: ...ircular orbit To minimize friction and stress the platform rotates on nine life time ball bearings of high thrust and load bearing capacity In addition the bearing housing is designed with grease fittings to permit periodic lubrication The environment growth chamber is thoroughly insulated and has an extremely low heat transfer coefficient for close temperature uniformity Work is observed through ...

Страница 7: ...ary 40 to 400 RPM Reciprocating 30 to 285 RPM Refrigeration 1 6 Hp hermetically sealed Illumination Seven 30 watt fluorescent lamps Gro Lux Timer 24 hour adjustable in 10 minute increments Dimension external with lid closed Length 22 Width 45 1 2 Height 30 1 2 Dimensions Chamber Length 22t1 Width 34 1 2 Height 12 1 2 optional king size 19 1 2 Drive Motor 1 6 Hp D C drive Net Weight 325 lbs optiona...

Страница 8: ...ENCE MATERIAL SUPPLEMENTARYDRA WINGS Supplementary drawings are supplied with this manual and are listed as follows Control Schematic Refrigeration Schematic NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KCIKLC 3 ...

Страница 9: ...and to the New Brunswick Scientific Co Inc INSTALLATION For efficient temperature control the Incubator Shaker should be placed in a shaded area away from sources of excessive heat For maximum cooling capacity the unit should be located in an air conditioned room Check the electrical specifications plate on the Shaker to make certain that the power supply matches the electrical requirements before...

Страница 10: ...g Switch Turns compressor ON Control Thermostat Controls chamber temperature Safety Thermostat Heat Secondary thermostat provides de energizing of heater in case of Control Thermostat failure Safety Thermostat Cool Secondary thermostat limits cold temperature NOTE Lid must be closedfor driver operation Tachometer Indicates speed of the shaker table in RPM OPERATING PROCEDURE FOR SHAKER Set all swi...

Страница 11: ...h is the total platform movement c After adjusting the desired stroke tighten the locking nut with the T wrench and locking pin from the shaker d Attach the platform to the shaker drive mechanism with the four screws previously removed and close the lid CWTION WEAR PROTECTIVE GLOVES AT ALL Open the lid of the shaker and load the platform evenly When the platform is loaded close lid NOTE A safety s...

Страница 12: ...t for an operating temperature approximately 2 C higher If for some reason the chamber temperature should begin to rise above the desired level temperature will automatically be taken over by the safety thermostat which will prevent the operating temperature from rising more than 2 C above the desired setpoint This condition will be indicated by the safety thermostat indicator light Operation of t...

Страница 13: ...ing the knob approximately one graduation for each degree of temperature adjustment required Some fine tuning may be necessary With each adjustment of the main thermostat advance the safety thermostat correspondingly so that it is always approximately two graduations higher than the main thermostat setting NOTE Afresh air vent is provided on the left hand side ofthe lid This may be opened by turni...

Страница 14: ...ired temperature is obtained The minimum thermostat is set during manufacture so that when turned frilly counter clockwise it switches the cooling compressor off when a temperature of 2 C is reached This temperature was selected to ensure that it is not possible for the temperature to drop below freezing in the shaker When the minimum thermostat operates the cooling compressor switches off and the...

Страница 15: ...increases temperature and lowering the pressure decreases the coil temperature which will decrease the temperature within the G25KC KLC This automatic expansion valve is accessed by removing the right side cover of the control box locate the cutout in the black insulation and remove the small black plug to expose the knob of the automatic expansion valve Turning the knob counter clockwise lowers t...

Страница 16: ...ting time is set on the switch dial by pushing out the blue segments 1 segment 10 mm To set the time turn the large clock hand clockwise until the correct time of day is set against the switch operating lever point ensure that the correct half day is chosen 24 hour clock Ensure that the dial clicks into the fixed position The light switches must be in the ON position for the timer to be able to co...

Страница 17: ...l wool or other abrasives which will mar the finish WARNING 4 DO NOT USE CLEANING COMPOUfl ThAT IS FLAMMABLE OR TOXIC Periodic Inspection At three month intervals perform the following checks and inspections with all switches OFF 1 Check the fuses on the equipment for good contacts NOTE On 208 and 220 volt units two fuses are located behind the rear panel 2 Remove dirt from the panels cabinet wiri...

Страница 18: ...r pulley and reverse the procedure for installation of the belt Drive Motor Lubrication Drive motor does not require lubrication Main Housing Bearing Lubrication 1 Set the main power switch OFF and remove the line cord plug from electrical receptacle 2 Remove the six front panel screws and carefully lower the front panel 3 Using a grease gun with 90 head grease the fittings which are now accessibl...

Страница 19: ...he operation of the control thermostat If so the safety thermostat should be taken out of the circuit by rotating the knob to its highest setting If this fails the adjustable stop of the safety thermostat must be reset to a new position Refer to steps 10 14 To calibrate control thermostat knob at 37 C for example proceed as follows 1 Remove control thermostat knob by loosening its two set screws s...

Страница 20: ...IATtJ1U AN 11AT W1U E 8 Lock adjustable stop in its new position by tightening its set screw The new temperature attainable at this position will be maximum or minimum that can be reached 9 Rotate the knob fully counter clockwise Loosen the set screws on the knob and push the knob as far as possible towards the panel then back out from the panel 1 32 Tighten the set screws on the knob This permits...

Страница 21: ...verload Protection On 230 volt models four additional fuses are located behind the front panel These fuses are used for incoming power For fuse values refer to the wiring and schematic diagrams supplied Replacement Parts The replacement parts are listed as follows TABLE 5 1 REPLACEMENT PARTS Part No Description Models G25 R25 Qtv Unit M1024 3003 Motor D C 1 P0460 0153 DC Motor Drive 1 R 352 Drive ...

Страница 22: ...0 Ballast 1 P0620 25 80 Fan illuminated lid 1 P0300 0040 Fluorescent Lamp 7 P0380 0280 Lamp Socket 14 P0400 093 0 Light Switch 4 P0440 0260 Thermometer dial 1 P0620 0811 Compressor 1 P0460 7150 Temp Controller 1 P0720 6290 Temp Probe 1 P0620 2536 Fan 1 Part No Description Models G25 R25 Qty Jnit P0620 25 60 Compressor Fan 1 P0220 1950 Timer 1 P0400 1410 Starter fluorescent lamp 7 P0380 1181 MotorB...

Страница 23: ... 1 Part No Description OW Unit 6 32 x 1 4 lg Round Head Machine Screw w Flat Washer 9 B 162 Bearings 3 H 890 Shims as required H 156 Roll Pins 3 G25197 Idler Shaft 1 Stroke Assembly 2 G25196 Main Shaft 1 Stroke Assembly 1 B 109 Bearing 4 B 100 Bearing 2 H 142 Retaining Ring 2 H 146 Retaining Ring 2 H 642 Oil Seal 3 H 158 Retaining Ring 1 H 193 Grease Fitting 4 please refer to the supplement in ord...

Страница 24: ...AL NOTE The G25 has a unique counter balancing system which is designed to meet the specfic needs ofthe customer When using lighter or heavier loads than shaker is designed to accommodate excessive creeping may be encountered To prevent creeping with light load remove counter balance weights located beneath plazform on a drive pulley With heavier loads additional counter balance weights should be ...

Страница 25: ...less steel slotted head screw platforms HARDWARE FOR 1 LITER TO 6 LITER CLAMPS NBS flask clamps are used on a variety of shaker platforms Flat head screws of different lengths and thread pitch are used to secure the clamp The table below identifies the proper screw for your shaker application by reference to the head style Clamp Hardware Application Chart Description Part f Iumber Oty Application ...

Страница 26: ...er clamps perform the following 1 Place clamp on platform secure in place with correct type of screws refer to clamp hardware application charts 2 Slide the girdle around the upper portion ofthe clamp body legs down until it reaches the platform 3 Place the loose girdle around the upper portion of clamp body so that it is held in place by the legs of the clamp 4 Insert the flask into the clamp 2 t...

Страница 27: ...FIGURE 1 Control Schematic G25 KC G25 KLC 208 230 VAC 50 60 Hz Single Phase NQ1 S 1CHP COTPOL NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KC KLC TO CUSTOUEP POWER SUPPLY 208 230V 50 60 HZ ø 22 ...

Страница 28: ...FIGURE 2 Control Schematic G25 KC 208 220 VAC 50 60 Hz Single Phase TO CUSTOMER OWER SUPPLY 208 220 UAC 50 60 T OMP COOl ROL BOARD ri _ NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KCJKLC 23 ...

Страница 29: ...ER POWER SUPPLY 200V 50 60 HZ N0115 FOR COiJflRIFS HO9MC 2 401100 COILOUCTORS IN THE INCOHIUG POWER LINE USE 2 FUSES FOR COUNTRIES 0 VF40 ON 40000 HOW 04W 04554W ORNOLI000N IN THE ROGUING POWER tWiT 5004 3 41441 WIlING USE 1 FLIER 3 MOUNT 14 IN Lb NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KC KLC 24 ...

Страница 30: ...ntrol Schematic G25 KC 200 VAC 50 60 Hz Single Phase TO CUSTOMER POWER SUPPLY 200V 50 60 HZ ElP CONRL BOARD NOIBS ANANA ONE ACTIVE 000 OAT CONNIVE CONDUCTOR A CITE NEW BRUNSWICK SCTENTWIC G25 KC KLC R25 KC KLC 25 ...

Страница 31: ...rJ 0X0 CX Ct L JZ 0 L J 0 tO 0 Cu Cu z C z I c ...

Страница 32: ...e G25 15 4 CAR BEAR ING B 162 UPRER NEARING BO SGTPORT G25 161 ADD ON COUN PREIGET G10 173 2 LITER ABOVE 300 RPI4 WX BEARIITG B 109 P ETAINING RING K 142 IDLER SHAlT G25 197 1 STRORE RETAINING RING H 14 2 RETAINING R 158 x 2 LITER ABOVE 300 ANN NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KC KLC 27 ...

Страница 33: ...d with 2 eccentrics It is recommended that the maximum operational speed be limited to 300 RPM JN SHABT 2 STROKE G2 5 203 COTJN I ERWEZGH r t1O 173 4 COUEREIGH P M1024 0530 COUNRREIR G1O 173 2 2 STROI SHIM ON IDLERS ONLY H 890 G25 202 NEW BRUNSWICK SCIENTIFIC G25 KCIKLC R25 KC KLC 28 ...

Страница 34: ...OKE G25 2 03 This machine is equipped with 2 eccentrics it is recommended that the maximum operational speed be limited to 300 RPM SHIM ON XrXLERS ONTI C0VNTERWEIT G1O 173 4 M1024 0530 G2 5 202 2 STROKE COUNTERWEIGHT 141033 0410 NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KC KLC 29 ...

Страница 35: ...designed to mount the bearings squarely onto the shaft and into the housing Misalignment during installation can severely distort a bearing Apply force only to the ring being press fitted Shock or impact techni ques should never be used to seat a bearing Tooling must be designed and used in a manner which will observe the basic assembly Do s and DonTs illustrated below DO DON T Correct and Incorre...

Страница 36: ...NTRIC ASSY DLER ECCENTRC ASSY 510 173 i 010 173 2 TAPPED IHRU MAIN ECCENTRIC SNAP1 SHAFT AND COUNTERWEICHI ASSEMBLY ADD ON COUNTERWEIGHT FOR 2 LITER AND ABOVE 300 RPM MAX NEW BRUNSWICK SCIENTIFIC G25 KC KLC R25 KCfKLC 31 ...

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