LG GR-151SPF precaution Servicing Precautions Download Page 3 | Manualshive

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Summary of Contents for GR-151SPF precaution

Page 1: ... the function of the motor compressor and identify the defects immediately if the defects have been found empty the old system of eventual R t 2 residue by breaking off the end of the extension piece at its narrow point Figure 1 Replace the filter and any damaged component Unsolder and pull off the piece remaining inside the service tube and then attach an extension completely with male Hansen and...

Page 2: ...HARGE TUBE OPENED WHEN REFILLING _L k_ TO THE TO THE REFRIGERATIOND CHARGE SYSTEM CYLINDER TO THED VALVE TO BE VACUUM CLOSEDD PUMP AFTER VACUUM Figure 6 In addition check the graduated scale on the cylinder for the quantity of R 12 to be added for example if we have 750 grams of Freon in the cylinder and must add 165 grams to the group this amount will be reached when R 12 has dropped to 585 grams...

Page 3: ... tube again Figure 2 It is necessary to execute the soldering operation with valve open so that the fumes caused by oil residue can come out freely without blowholes between two tubes during heating the point to be soldered The extension fitted with the male Hansen is connected to the female fitting of the vacuum pump tube Figure 3 Air evacuating from the system begins as soon as the pump starts T...

Page 4: ... TO BE D _ CHARGE TUBE OPENED WHEN REFILLING TO THE TO THE REFRIGERATION CHARGED SYSTEM CYLINDER TO THEE VALVE TO BED VACUUM CLOSEDD PUMP AFTER VACUUM Figure 6 In addition check the graduated scale on the cylinder for the quantity of R134a to be added for example if we have 750 grams of Freon in the cylinder and must add 165 grams to the group this amount will be reached when R134a has dropped to ...

Page 5: ...80cc 2 PARTS IDENTIFICATION EVAPORATOR Door Inside __ The heart of the refrigerator 4 It evaporates the refrigerant fluid and thereby absorbs heat from the surrounding ICE CUBETRAY DoorInside Ice cube is easy to remove from the tray THERMOSTAT Regulates the operation of the motor and controlls the temperature inside the refrigerator DRIP TRAY Catches the water that drips off the evaporator when de...

Page 6: ...e 12 5 Remove the Compressor by loosening 2 earth screws next to Compressor NOTE Replace the Compressor after peeling off painted part of earth terminal Compressor inhales the gas evaporated from Evaporator and condenses this gas and then delivers to Condenser PTC is abbreviation of Positive Temperature Coefficient and is attatched to the Compressor and operates motor OLP prevents Motor coil from ...

Page 7: ...CUIT DIAGRAM BK THERMOSTAT Y _ i i GN GI_ _l 4N I BL BK BL_ _ __C_IOMPRESSOR P T C STARTER YL YELLOW BK BLACK BL BLUE GN GREEN PK PINK THE PLUG TYPE ON CIRCUIT DIAGRAM IS SUBJECT TO CHANGE IN DIFFRENT LOCALTIES 3854 JD1009E ...

Page 8: ...er If in the refrigerantsystema quantity of R_2 is introducedwhich is greater than that indicated the excessgas dose net terminateits expansionin the evaporatorbut proceedsintothe returntube The refrigerantsystemis humid when thereis a small percentageof water present which notcompletely retainedby the dehydratorfilter enters intocirculationwiththe Freen and freezes at the capillaryexit in the eva...

Page 9: ...J Poor running of the Compressor Measure the starting I_ H voltage Low voltage Check if the current _4_ H flows at the contacting Poor contacting point point of the starting and broken system tChoc if eco rent H oo aoe e flowing of the sub coil of Shorted Compressor the Compressor Increase the voltage Replace the device t ls the current amount of I I The coil of the I I Repair the the electric com...

Page 10: ...11 _ Check the I I Test the resistance of the both resistance of the J_l terminals in the PTC STARTER PTC YES _ Check OLR NO Check if applying a 1 _ regular OLR NO Replace the PTC STARTER OLP works within 30 sec in forcible OLP operation by turning instant power on and off I YES _ NO _ Replace OLP f Check the starting state Measure minimum starting voltage after checking steps 1 3 above And measur...

Page 11: ...Wheatstone Bridge _ The value is in the range of 15 28 for Normal the 22 PTC _ _ The value is 0 H _ The value is i _ _ Separate the OLP from the Compressor and check resistance value between two terminals of OLP with Tester Abnormal Abnormal YE_ Check another electric components N Q _ Replace OLP l F4 Check another electric components Replace the PTC Replace the PTC 13 ...

Page 12: ...5 EXPLODED VIEW I 14 ...

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