(b)
Usinga newgasketat the intercooler/outletductinterface(referto partscatalog),mount coolingair outletductwith screwspreviouslyremoved.
(c)
Connectplumbingto intercooler.
(d)
If separated,reconnectinletductcouplingto ram air inletscoop. Connectramair scoopto bottomcowl.
(e)
Replacecowlandinstallscrewssecuringoutletductto cowl.
EFFECTIVITY:
040-999
Jan10/903
36-10-00
PAGE
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
A. Distribution(continued)
6. BleedAir Overtemperature SwitchesRemoval
(a)
Removeturtlebackcowlto gain accessto switch.
(b)
Disconnectelectricalleadsfromswitch.
NOTE: Notepositionof each wire removedto facilitateinstallation.
(c)
Unscrewswitchfrom receptacle.
(d)
RemoveswitchandO-ring.
7. BleedAir OvertemperatureSwitchesInstallation
NOTE: Applysiliconelubricantsparinglyto all O-rings. Avoid getting lubricantinside tubes.
(a)
Referto partscatalogand installnew O-ring in receptacle.
(b)
Screw switchintoits receptacle.
(c)
Connectwiresto their properplaceon switch.
8. PneumaticSystemCheckValvesRemoval
(a)
Gainaccessto checkvalvesby removingthe floor panelson the right sideof fuselagebetween fuselagestations140.00and 151.30.
(b)
Disconnectpneumaticair supplylinesfromvalves.
(c)
Unscrewvalveswith O-ringsfromfittingassembly.
9. PneumaticSystemCheckValvesInstallation
(a)
Installnewvalvewith newgasketto fittingassembly.
(b)
Connectpneumaticair supplylines to valves.
(c)
Installfloor panels,carpet,andseats.
10. PressureRegulatorand ReliefValveRemoval
(a)
Gainaccessto the pressureregulatorand reliefvalveby removingfloor panelson the right sideof fuselage,betweenfuselagestations151.30and 162.60.
(b)
Disconnectunionand elbowfrompressureregulatorand reliefvalveby unscrewingnuts.
(c)
Removecup assemblyby looseninghoseclamp.
(d)
Removefour boltswith washerssecuringregulatorto bracket.
(e)
Removepressureregulatorandrelief valve
11. PressureRegulatorand ReliefValveInstallation
(a)
Placepressureregulatorandreliefvalvein position.
(b)
Securewith boltsandwasherspreviouslyremoved. Ensurewashersare installedunderbolt heads.
NOTE: Applysiliconelubricantsparinglyto allO-rings.Avoidgettinglubricantinsidetubes.
(c)
ConnectunionandelbowwithnewO-ringstopressureregulatorandreliefvalve.
(d)
Installfloorpanels,carpet,andseats.
EFFECTIVITY:
040-999
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
A. Distribution(continued)
12. EjectorRemoval
(a)
Removeright sidefloorpanelsbetweenfuselagestations151.3,162.6,and the aft, lower,wing to fuselagefairingfor accessto its outlet.
(b)
Whileat the root,removenut fromejectoroutlet.
(c)
Disconnectlines.Openclampsecuringejectorto bracketassembly.
(d)
Removeejectorby slidingassemblythroughthe holein fuselage.
13. EjectorInstallation
(a)
Withejectorin position,secureclamp.Reinstallall linespreviouslyremoved.
(b)
Installappropriatenut at ejectoroutletand wing to fuselagefairing.
(c)
Installfloorpanels,carpetandseats.
14. DeicerValvesRemoval
(a)
Gainaccessto deicer valvesby removingcenterfloorpanelbetweenF.S.151.30and 162.60.
(b)
Disconnectall linesat deicervalvebeingremoved.
(c)
Disconnectelectricalleadsfromvalvebeingremoved.
(d)
Removescrewssecuringassemblyin position.
(e)
Removedeicervalve.
15. DeicerValvesInstallation
(a)
Installnew valvein position. Securewith screwspreviouslyremoved.
(b)
Connectelectricalleadsto their properposition.
(c)
Connectall linesdisconnectedfromvalveduringremoval.
(d)
Installfloor paneland carpet.
16. PressureSwitchesRemoval
(a) The pressure switchesareaccessibleas follows: (1.) Togainaccessto thepressureswitchfor outboardwingboots,removeturtlebackcowl and intercooleroutletduct.
(2.) Thepressureswitchfor tail and inboard wingbootsis accessible throughthe forwardtail accessopening,nearthe top of the aft pressure bulkhead.
(b)
Disconnectelectricalwiringandpressurelinesfromswitch.
(c)
Removepressureswitch.
17. PressureSwitchesInstallation
(a)
Installnew switch. Securelines with hoseclampspreviouslyremoved.
(b)
Connectelectricalwiringto their properpositions.
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