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Invacare 3750 Hot Tub User Manual

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SECTION 4—MAINTENANCE

Part No 1150695 33 Recessed Side Entry Bath Tubs

13. Turnthedisinfectantvalvetotheonposition.

NOTE:Liquidwillbeheardfillingtheinteriorplumbingofthetub.

14. Notethepositionofthefloatingballintheflowmeter.

15. Adjusttheinjectorbyperformingoneofthefollowing:

• BottomofFloatingBallReadsGreaterThan35‐Lessdisinfectantneedstobe

addedtothemixture.Loosenthescrewontheinjectortodrawlessdisinfectant

intothesolution.

• BottomofFloatingBallReadsLessThan35‐Moredisinfectantneedstobeadded

tothemixture.Tightenthescrewontheinjectortodrawmoredisinfectantintothe

solution.

16. Whenthebottomofthefloatingballisnear35,turntheblackadjustmentknobonthe

flowmeteruntilthebottomofthefloatingballisat35.

17. Placethebucket/pailundertheburpfittingtocollectthedisinfectant.Useafunnelif

necessary.

18. Notethenumberofouncesinthegraduatedplasticbottle.

19. Letthebucket/pailfilltoonegallon.

20. Turnthedisinfectantvalvetotheoffposition.

21. Removethedisinfectantdrawtubefromtheplasticbottle.

22. Examinetheamountofdisinfectantremainingintheplasticbottle.

23. SubtracttheamountofdisinfectantremainingfromtheamountnotedinSTEP18.

24. Performoneofthefollowing:

• Approximately½‐ounceofdisinfectanthasbeenused‐ProceedtoSTEP23.

•Muchmoreormuchlessthan½‐ounceofdisinfectanthasbeenused‐repeat

STEPS1‐18.

25. Positionthedisinfectantdrawtubeintothedisinfectantsolution.

26. Disinfectthetub.RefertoDisinfectingtheTubUsingtheClosedLoopSystem

on

page 23.

FIGURE 4.1 Calibrating the Disinfectant Flow Meter

Service

Access

Cabinet

Floating

Ball

Knob

Flow Meter

Disinfectant

Valve

DETAIL “A” -

FLOW METER

Screw

Injector

Disinfectant Siphon Tube

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