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-8-

3. SWITCH OFF BUT MOTOR TURNS

4. WEAK SUCTION POWER

Hose and extension wands
are clogged with foreign
matters

Remove the foreign matters
in the hose or extension 
wands

Motor safety filter,  air filter or 
exhaust filter are filled with 
inhaled foreign matter

Motor turns normally,
but suction power is weak.

Remove the foreign matters or  
clean motor safety filter, air 
filter or exhaust filter

The regulator on the handle
is opened

Close the slide knob by
sliding it

Poor switch

Exchange the switch

Poor connection

Repair the slide volume of hose
or triac of PWB assembly

Motor armature cut

Low rotation speed

Exchange the motor

Foreign matters attached to
the impeller

Remove the foreign matters

Low voltage

Inquire to the power utility
company

Summary of Contents for VC73 series

Page 1: ...R SERVICE MANUAL MODEL VK73 VC73 VK79 VK89 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Website http biz lgservice com 삼 흥 정 판 MFL68700002 July 2014 Printed in Korea Internal Use Only ...

Page 2: ... 2 CONTENTS SAFETY PRECAUTIONS 3 CAUTIONS 3 DESCRIPTION 4 SPECIFICATIONS 4 DISASSEMBLY 5 6 TROUBLE SHOOTING GUIDE 7 9 SCHEMATIC DIAGRAM 10 EXPLODED VIEW 11 17 ...

Page 3: ...s the suction power significantly and harms the motor 2 Inflammable liquids such as benzene alcohol or solvents 3 Burning objects such as cigarette butts 4 Bulky objects such as vinyl paper etc 5 Sharp objects such as needles pins metal glass particles etc 4 Attachments Nozzle Clean a hard floor and a carpet floor Crevice Tool Clean any crevice inside corners or window frames However do not use th...

Page 4: ... ATTACHMENTS DEPEND ON MODEL FLEXIBLE HOSE ASSEMBLY 1EA TELESCOPIC PIPE ASSEMBLY 1EA FLOOR NOZZLE ASSEMBLY 4EA Turbine Nozzle Assembly 3EA QUILT NOZZLE ASSEMBLY 1EA MOP NOZZLE ASSEMBLY 1EA 2 IN 1 NOZZLE 1EA CREVICE TOOL 1EA DUST BRUSH Assembly 1EA UPHOLSTERY Nozzle 1EA This specifications are subject to change according to the buyer s request Turbine Nozzle Assembly depend on model Floor Nozzle As...

Page 5: ...om the vacuum cleaner Remove the three screws fastening the body cover 3 Disassemble the body cover assembly lifting the body cover assembly Pull out the two lead wires Disassembly of Motor Assembly 1 Remove the two screws fastening the cover holder 2 Remove the four screws fastening the motor cover 3 Unlock the one hook 4 Pull out the motor and disconnect the two lead wires from it NOTE Before at...

Page 6: ...isassembly of Motor Housing 1 Remove the four screws fastening the body base 5 Disassembly of Micro Switch and Gear Assembly 1 Remove the two screws fastening the connetor pipe 2 Pull out the bending pipe 3 Remove the two screws fastening the gear assembly Cord Real Assembly Connector Pipe Bending Pipe Gear Assembly ...

Page 7: ...pair or exchange Interior lead wire cut Exchange the lead wire 2 SWITCH ON MAIN MOTOR DOES NOT TURN Motor armature cut Exchange the motor Ball bearing defacement Exchange the motor Impeller hindrance Caused by foreign matters Remove the foreign matters Motor stator armature coil cut or damaged Exchange the motor Poor switch contact point Exchange the switch ...

Page 8: ...normally but suction power is weak Remove the foreign matters or clean motor safety filter air filter or exhaust filter The regulator on the handle is opened Close the slide knob by sliding it Poor switch Exchange the switch Poor connection Repair the slide volume of hose or triac of PWB assembly Motor armature cut Low rotation speed Exchange the motor Foreign matters attached to the impeller Remo...

Page 9: ...lectric connector or receiver Repair the electric connector or receiver Bent connection parts Exchange the parts Poor connection Caused by foreign matters Remove the foreign matters and reconnect Poor capacitor Exchange the capacitor Armature is cut or foreign matters attached Exchange the motor Remove foreign matters 5 VIBRATION NOISES 6 RADIO TV RECEPTION DISTURBANCE 7 IMPROPER TUBE OF NOZZLE CO...

Page 10: ... 10 Blue Red Orange Green Compression Motor Blue Brown Slide volume Main Motor Cord reel Blue Blue Brown Brown T P SCHEMATIC DIAGRAM ...

Page 11: ...1 EAUBA1 EBRBM1 MCQBZ1 MCKBM1 ACQBM2 MEKBM1 MDSBA4 MDSBA6 AHJBA1 MBDBB9 MDSBA3 ABNBA1 MCKBW1 AJWBA1 MAMBB1 MCDBA1 MBDBB8 AHDBR1 MCKBE1 ADQBE1 EADBS5 EADBS4 MDSBA5 EXPLODED VIEW BODY BASE ASSEMBLY EV VK73 VC73 VK79 VK89 ...

Page 12: ...MBGCP1 MFGCL1 MBGCR1 MCKCS1 MJHCM1 MJHCS1 MCKCB1 EAUCM1 EADCS1 MDSCA1 MCKCZ1 MDTCG1 MGECB1 MEBCC2 MCKCA1 MBGCB1 MEGCH1 MEGCH2 MBLTT2 MCKCH1 MGECC1 EADCS2 BODY COVER ASSEMBLY EV 12 ...

Page 13: ... 13 ACCESSORIES TANK ASSEMBLY DUST GUIDE ASSEMBLY AIR EV AEMAF1 MFVAC1 AGRPT1 MDJCM1 MDJCM2 AECCG1 AJLTD1 ...

Page 14: ... 14 ACCESSORIES 1 EV Carpet Floor Carpet master Turbine Floor Quilt Corner free Hard floor Mop Mini turbine DUSST BRUSH UPHOLSTERY Model ...

Page 15: ... 15 ACCESSORIES 2 EV Model Carpet Floor Carpet master Turbine Floor Quilt Corner free Hard floor Mop Mini turbine DUSST BRUSH UPHOLSTERY Model ...

Page 16: ... 16 ACCESSORIES 3 EV Model Carpet Floor Carpet master Turbine Floor Quilt Corner free Hard floor Mop Mini turbine DUSST BRUSH UPHOLSTERY Model ...

Page 17: ... 17 ACCESSORIES 4 EV Model Carpet Floor Carpet master Turbine Floor Quilt Corner free Hard floor Mop Mini turbine DUSST BRUSH UPHOLSTERY Model ...

Page 18: ......

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