Cozzia EC-326G-CO Page 18 Maintenance Service Manual Download | Manualshive

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C: Slacken and remove the four screws which fixing front cover to the backrest frame. Then we

can take off the front cover of backrest. ( As pictures below show.)

Locate screws.

Slacken and remove the screw.

Front cover of backrest

has been detached.

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Summary of Contents for EC-326G-CO

Page 1: ...Maintenance Service Manual MODEL EC 326G CO By Customer Service Department...

Page 2: ...nting sensor of rolling motor 5 7 Guidance of disassemble the massage mechanism 5 8 Guidance of change rolling motor unit 5 9 Guidance of service the seat pad assy 5 10 Guidance of disassemble the sid...

Page 3: ...ts that are damaged and reuse the serviceable parts During the dismantling or assembling process do not damage other parts and PCB Be on the alert for loose or disconnected connectors during repair Do...

Page 4: ...remote control wire turn on the chair 03 backrest signal is abnormity 1 backrest wire black is not well connected 2 up down limit sensor is broken 1 check whether the backrest wire black is well conne...

Page 5: ...spection board 2 change backrest wires black and gray 3 change kneading motor activate auto check model 12 when not kneading but the wideth inspection signal still can be tested 1 Main PCB is broken 1...

Page 6: ...ng motor is broken or disconnected 1 change down limit sensor 2 check whether the backrest wire black is well connected 3 change rolling motor activate auto check model 18 after tested signal from dow...

Page 7: ...wire is opened Up or Down Stroke Photo electricity fails Main PCB fails Kneading is on without pressing any key when starting and no response by pressing other keys Replace mechanical switch or it s w...

Page 8: ...Fails Main PCB Fails Plug the terminal securely or replace the wires Replace Down Stroke Sub assembly Replace Up Stroke Sub assembly Replace Rolling Motor Replace main PCB 06 No kneading The terminals...

Page 9: ...lowered The terminals of foot rest actuator and wires are poorly connected The foot rest actuator fails Main PCB fails Plug the terminal securely Replace foot rest actuator Replace main PCB 11 No vibr...

Page 10: ...rest The terminal of the snuffle valves and wires are poorly connected The snuffle valves fail The inflator pump fails Main PCB fails Plug the terminal securely Replace the snuffle valves Replace the...

Page 11: ...s required Screwdriver size 1 2 3 Diagonal cutter and long nose pliers Soldering Kit Spanner tools Kit Test pen Allen Key set Ratchet Tools Set Blower Electric Driver electrical adhesive tape Cable Ti...

Page 12: ...how B Find the other zipper between backrest pad and seat pad Then unzip it As the pictures below show C Take off the backrest pad D At the bottom of the rear of the backrest pad we can find one zippe...

Page 13: ...we can find a sponge assy inside As the pictures below show Locate the zipper Unzip the zipper The sponge assy has been taken off Pull the sponge assy out...

Page 14: ...he backrest Assy and rest it on the Seat cushion Assy As picture below show B There is a hook at the bottom of the backrest Pull the hook up then push the backrest forward And then lay the backrest ab...

Page 15: ...actuator there is a bolt The bolt fixed by a bin Use pliers take off the bin first Then remove the bolt As pictures below show Pull the hook up then push the backrest forward The backrest has been la...

Page 16: ...E Hold the backrest vertically and pull it up then we can take off the backrest As pictures below show Locate the bolt The bolt has been detached...

Page 17: ...e backrest above seat pad Refer to Guidance of disassemble the backrest B Slacken and remove the screws which fixing the rear cover of backrest Then take off the rear cover The backrest has been lay a...

Page 18: ...the four screws which fixing front cover to the backrest frame Then we can take off the front cover of backrest As pictures below show Locate screws Slacken and remove the screw Front cover of backre...

Page 19: ...D There are two zippers attach the fabric the front cover of backrest Unzip these two zippers then we can detach the fabric The fabric has been detached...

Page 20: ...Guidance of detach rear cover of backrest B Cut cable ties which fixing the limit sensor wire to the frame C Use long nose pliers slacken and remove the screw nuts Locate up limit sensor Locate down l...

Page 21: ...D Use long nose pliers get ride of the glue then disconnect the connecter Get ride of the glue The limit sensor has been taken off...

Page 22: ...ind kneading motor Refer to Guidance of detach front cover rear cover B Take off the kneading belt first C Use diagonal cutter get ride of the cable ties which fasten the mechanism wires Locate of kne...

Page 23: ...of kneading motor As pictures below show F Slacken and remove the screws which fixing the kneading motor then we can detach the kneading motor Be careful don t cut the wire Heat shrinkable T bush has...

Page 24: ...nce of detach front cover rear cover B Use diagonal cutter get ride of the cable ties which fasten the mechanism wires C Use diagonal cutter peel the heat shrinkable T bush slowly As picture below sho...

Page 25: ...ten the counting sensor wire E Use long nose pliers take off the close end wire connector of counting sensor of rolling motor As pictures below show Locate cable ties Close end wire connecters of coun...

Page 26: ...F Use long nose pliers get ride of the glue and pry out the counting sensor Get ride of the glue The glue been cleaned The counting sensor has been pry out The counting sensor has been taken off...

Page 27: ...fer to Guidance of detach rear cover front cover of backrest B There are four screws fixing the top bar As pictures below show C Use a long nose pliers hold the screw nut firmly then slacken and remov...

Page 28: ...pictures below show E Use diagonal cutter get ride of the cable ties which fasten the mechanism wires F Use diagonal cutter peel the heat shrinkable T bush slowly As picture below show Locate cable ti...

Page 29: ...pliers remove all the close end wire connecters H Use flat screw driver turn the rolling motor and drive the mechanism out of the guide rail Locate close end wire connecters The massage mechanism has...

Page 30: ...echanism B Use a strong screw driver slacken and remove the screws which fixing the rolling motor unit to the mechanism frame As picture below show C Slacken and remove the two screw which fixing the...

Page 31: ...C Now the rolling motor unit can be taken off...

Page 32: ...the zipper between seat pad and footrest cover D Disconnect the air hose and the wire connecter of the seat pad Then you can take off the seat pad Locate the zipper Unzip the zipper Locate the zipper...

Page 33: ...seat pad then we can take out the sponge As the pictures below show Air hose and wire connecter has been disconnected Seat pad has been taken off Locate the zipper Cut the cable tie Unzip the zipper Z...

Page 34: ...F Now we can change the air bag or the vibration motor As the picture below show Unfasten the belt Disconnect the air hose...

Page 35: ...ind two screws on each side board Slacken and remove these two screw C After the screw have been removed Pull the side board vertically Then we can detach the side board As pictures below show Seat pa...

Page 36: ...d remove the screws which fixing the PCB box cover Then take off the main PCB box cover Locate the screws that fixing the PCB box cover Slacken and remove the screws that fixing the PCB box Pull the P...

Page 37: ...ow C Then disconnect all the connecters of the main PCB D Use long nose pliers grip the head of PCB surpporter Then use fingers lift the PCB up then we can separate PCB from PCB surpporter As the pict...

Page 38: ...PCB from the four PCB surpporters then we can take off the main PCB As pictures below show Grip the head of PCB supporter Lift the PCB at here by finger PCB has been separated from PCB supporters PCB...

Page 39: ...With help of a monkey wrench slacken and remove the bolt that fix the transformer C With help of a diagonal cutter get ride of the cable ties that fasten the transformer wires As picture below show Lo...

Page 40: ...ansformer connecters that connect to the main PCB Then we can take off the transformer As the pictures below show Locate of transformer connecters Transformer connecters have been disconnected Transfo...

Page 41: ...ANGE MAIN PCB B With help of long nose pliers move the clips away from the air valve As the picture below show C Disconnect all the air hose that connect to air valve Locate air valve Grip the claw of...

Page 42: ...t the air valve wire connecter F Slacken and remove the screws which fixing the air valve Then we can take off the air valve Locate cable ties that fasten air valve wire Locate air valve wire connecte...

Page 43: ...acken and remove the screws which fix the inflator pump belt C Lift the base of the massage chair with help of long nose pliers get ride of the glue that fixing the inflator pump supportor As pictures...

Page 44: ...upporter out of the baseboard As picture below show E With help of a diagonal get ride of all the cable ties that fixing the inflator pump wire All the glue have been cleaned Grip the supporter and pu...

Page 45: ...F Disconnect inflator pump connecter Then we can take off the inflator pump Locate inflator pump connecter Inflator pump has been taken off...

Page 46: ...ckrest assy refer to Guidance of disassemble the backrest B Cut the cable tie fixing the remote control wire C Get ride of the insulation tape Then disconnect the connecter Now the remote control has...

Page 47: ...Remote control has been detached...

Page 48: ...assy Refer to Guidance of disassemble backrest pad Refer to Guidance of service the seat pad C Slacken and remove the screws which fixing the seat board Then remove the seat board D Cut the cable ties...

Page 49: ...tuator there are bolt which fix the footrest actuator to the frame G Remove these two bolts and we can detach the footrest actuator Cut the cable tie that fasten the actuator wires Cut the cable ties...

Page 50: ...H Remove the bolt which fix the rear of the backrest actuator I After the bolt has been removed then we can detach the backrest actuator Locate the bolt The backrest actuator has been detached...

Page 51: ...assy Refer to Guidance of disassemble backrest D Detach the side board Refer to Guidance of disassemble the side board E Detach the main PCB box cover Refer to Guidance of disassemble main PCB F Slack...

Page 52: ...Locate the screws The lower side board has been detached...

Page 53: ...at pad B Slacken and remove the screws which fixing the seat board Then remove the seat board C Disconnect footrest air hose then cut the cable tie which fasten footrest air hose together Seat pad has...

Page 54: ...rest and connecting rod together E Use pliers remove the bin first then remove the bolt D Find two screws which fixing the footrest onto the chair Locate the two screws Locate the bolt Remove the pin...

Page 55: ...remove the screw As picture below show F After the two screws have been removed then we can detach the footrest G Slacken and remove the screws which fixing the footrest supports As pictures below sho...

Page 56: ...d the zipper heads of the footrest cover And unzip the zipper As pictures below show I Now we can remove the footrest cover Locate zipper heads The zipper has been unzipped Footrest cover has been rem...

Page 57: ...J Find connecters of air bag and disconnect it Then we can take off the air bag and change a new one As pictures below show Locate air bag connecter Locate air hose connecter...

Page 58: ...flator pump Transformer power in 110V Power in 110V Air valve Seat pad vibration Wideth inspection board Counting sensor of rolling motor Remote control Up down limit sensor Rolling motor tapping moto...

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