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35
AC1234-6 Rev. C
Maintenance
Figure 25
Oil Drain
Fitting
Oil Fill Cap
and Port
Sight
Glass
CAUTION: To prevent personal
injury, do NOT operate the machine at
any other time without the oil ll port
cap installed, because the vacuum pump
is pressurized during normal operation.
Caution:
It is the responsibility of the user
to
monitor vacuum pump oil level and
clarity. If contaminated oil is not removed
from the vacuum pump and replaced,
the vacuum pump will be permanently
damaged.
Change Vacuum Pump Oil
1.SelectCHANGE VACUUM PUMP OILfromthe
Setupmenuorwhenprompted.Thedisplayshows
howlongthevacuumpumphasoperatedsincethe
lastoilchange.
OILLIFETIME
XHOURSXMINUTES
CHANGEOIL?
2.PressOK.Ifthemachinedisplays
OILCHANGE
WAIT...
allowthevacuumpumptorunfor30seconds
towarmuptheoil.Iftheoilisalreadywarm,the
displayshows
OILCHANGE
UNITCLEARING
WAIT
whilethecompressorrunstoeliminateanypressure
inthevacuumpump.
3.Afterthecompressorstops,slowlyopentheoilll
captoverifythereisnopressureinthemachine.
Thencarefullyremovethecap.SeeFigure25.
4.Thedisplayshows
DRAINTHEUSEDPUMPOIL
ATTHEENDADDABOUT150MLOFNEWOIL
PRESSOKTOCONFIRM
Removetheoildrainttingcap,anddraintheoilinto
asuitablecontainerfordisposal.Replacethecap
andclosetightly.
5.
S
lowlyaddapproximately
150mlofvacuumpump
oiltothepumpthroughtheoilllport.PressOK to
startthevacuumpump.
6.Thedisplayshows
POUROILINTHEPUMP
UPTOTHECORRECTLEVEL
PRESSESCTOQUIT
S
lowlyadd
vacuumpump
oiltothepumpthrough
theoilllportuntiltheoillevelrisestothecenterof
thesightglass.
7.
Installthecapontheoilllportandclosetightly
.
PressESC.