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Invacare 1900S Plumbing Product User Manual

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SECTION 3—MAINTENANCE AND TROUBLESHOOTING

1900/1900S Bath Lift 20 Part No. 1148113

Inspecting/Tightening the Seat

NOTE:Forthisprocedure,refertoFIGURE 3.2.

NOTE:Makesurethenutsandboltsholding

theseattotheseatmountingbracketandthe

brackettotheliftcolumnaretightatalltimes.

1. Removetheshrouddirectlybehindthe

seatbypullingitstraightup.

2. Useasocketwrenchtotightenthenuts

attachingthebrackettotheliftcolumn.

3. Withaendwrenchtightenthenuts

attachingtheseattothebracket.

FIGURE 3.2 Inspecting/Tightening the Seat

Inspecting and Adjusting the Lift Column

NOTE:Forthisprocedure,refertoFIGURE 3.3.

NOTE:Thesixnylonbearingsinstalledintheoutercolumnhavebeenadjustedatthefactory

beforeshipping.Theykeeptheoutercolumncenteredaroundtheinnercolumnandprovidea

smoothglideupanddown.Theendsofthebearingscanwearwithuseandshouldbechecked

periodically.Approximatelyeverysixmonths,checktheadjustmentofthebearings(Detail“C”).

1. Removetheoutershroudbyremovingthetwofrontandfourrearmountingscrews,

andtheselftappingscrewsholdingthetwohalvesoftheshroudtogether(Detail“A”).

2. Raisetheliftuntilabout18”oftheinnercolumnareexposed.

3. Rubalightcoatofmachineoilupanddowntheinnercolumnuntilafilmofoilis

clingingtoallfoursurfaces.

4. Raiseandlowerthelift.

5. Checkthefoursurfacesoftheinnercolumntoseeifthereisanoticeabletrackinthe

oilfilmfromthenylonbearings(Detail“B”).

NOTE:Ifthebearingsaremakingsufficientcontactwiththeinnercolumn,youwillseefourtracks

intheoil.

6. Ifthereisnotatrackintheoilfilminoneormoreofthesidesoftheinnercolumn,that

sidesbearingsneedtobeadjustedINtowardthecolumnbyperformingthefollowing:

A. Usingaverylargebladedscrewdriveroraquarterheldfirmlywithapairofpliers,

turnthebearingINjustan1/8thofaturn(Detail“C”).

B. Runtheliftupanddown

againandseeifthebearingisnowcontactingtheinner

columnenoughtomakeatrackintheoil.IfnotrepeatSTEP“A ” . 

NOTE:Whenboththeleftandrightsidesandthefrontandbacksidesoftheinnercolumnshow

aslighttrackintheoilfilm,yourbearingsareproperlyadjusted.

NOTE:ItisveryimportantthatyouDONOTrunthebearingsinsofarastomaketheliftbind

goingupanddown.

7. Wipetheexcessoilfilmandreplacetheshroud.

Locknuts

Bracket

Locknuts

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