Graco SaniForce 4150 - Stand and Mounting; Air Line

Repair
Repair Repair
Repair
Pressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
FollowthePressureReliefProcedure
wheneveryouseethissymbol.
Thisequipmentstayspressurizeduntilpressureis
manuallyrelieved.Tohelppreventseriousinjury
frompressurized󰘱uid,suchassplashing󰘱uid,
followthePressure Pressure
Pressure
Relief Relief
Relief
Procedure Procedure
Procedure
whenyou
stopdispensingandbeforecleaning,checking,or
servicingtheequipment.
1.Closethemasterairvalve(A)toshutofftheair
tothepump.
2.Openoutbound󰘱uidvalvetorelieve󰘱uid
pressurefromthepump.
a.For For
For
simple simple
simple
transfer transfer
transfer
applications, applications,
applications,
openeither
the󰘱uidshutoffvalve(J)orthe󰘱uiddrain
valve(K).
b.For For
For
circulating circulating
circulating
applications, applications,
applications,
ensurethatthe
󰘱uidshutoffvalve(J)isclosedandopenthe
󰘱uiddrainvalve(K).
Air Air
Air
Valve Valve
Valve
Repair Repair
Repair
ToolsRequired
•Torquewrench
•Torx(T20)screwdriveror7mm(9/32in.)socket
wrench
•Needle-nosepliers
•O-ringpick
•Lithiumbasegrease
Airvalverepairkit255122isavailable.Useallparts
inthekitforbestresults.
Disassemble Disassemble
Disassemble
Air Air
Air
Valve Valve
Valve
1.FollowthePressureReliefProcedure,page9.
2.WithaTorx(T20)screwdriveror7mm(9/32in.)
socketwrench,removethesixscrews(107),air
valvecover(109),andgasket(118).
3.Movethevalvecarriage(105)tothecenter
positionandpullitoutofthecavity.Usinga
needle-nosepliers,pullthepilotblock(116)
straightupandoutofthecavity.
4.Pullthetwoactuatorpistons(114).Removethe
u-cups(106)fromthepistons.Pullthepilotpins
(112).Removetheo-rings(108)fromthepilot
pins.
3A6782F9