Vmac VR70 - Replacing the Oil Filter

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9
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ReplacingtheOilFilter
Cleanlubricatingoilisvitalforefficientoperationandforpreventingdamagetocomponents.Replacing
theoilfilteratregularintervalswillhelpkeepcontaminantsoutofthecompressorandtherestofthe
system.Whenreplacingtheoilfilter,rememberto:
•makesurethatthereisnopressurein
thesystem
•useaproperfilterwrench
•neverover‐tightenthefilter
•checktheoillevelafteroperatingthesystem
•checkforoilleaksafterservice
Toreplacetheoilfilter,followthisprocedure:
1.Cleantheareaaroundthefiltertopreventcontamination.
2.Remove
thefilterbyturningitcounter‐clockwise.Makesurethatyoudraintheoilfromthefilterinto
asuitablecontaineranddisposeofthefilterandoilaccordingtolocalregulations.Beforeyoudisposeof
thefilter,checktomakesurethatthethreadednippledidnotunscrewwiththe
filter.Ifthenippleisin
thefilterratherthaninthecompressor,tankorremotemount,removeitcarefullytopreventthread
damageandreplaceitinitsoriginallocation.
3.Checkthesealingsurfaceonthecompressor,tankorremotemounttomakesurethatitisclean
and
smooth.
4.Applyalightcoatingofcompressoroiltothegasketonthenewfilter.
5.Spinthefilteronthethreadednippleuntilthegasketcontactstheseat.
6.Tightenthefilteranadditional¾to1fullturn toprovideagoodseal.
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ReplacingtheCoalescingSeparatorandScavengeFilter
Toperformthispartoftheservice,youmustremovethebackcoveronthetank.Beforeattemptingto
replacethecoalescingseparatorandscavengefilter,alwaysmakesureofthefollowing:
•thereisnopressureinthesystem
•theoilhasbeendrainedfromthetank
•the
backofthetankhasbeencleanedtopreventcontamination
•becarefulofhotoil
Whentheseconditionshavebeenmet,followthisprocedure:
1.Cleanthebackofthetanktopreventcontamination.
2.Disconnecttheairoutletline,1/4inchand5/16inchlinesfromtheback
ofthetank.
3.Removetheboltsholdingthedischargecapfromthebackofthetankandremovethecapandsmall
spring,ifequipped.
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Topreventdamagetothetank,remov e alloftheboltscompletelywhileholdingthe
dischargecapfirmlyinplaceasthecoalescingseparator
elementisspringloadedagainst
thedischargecap.
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