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LISTOF EFFECTIVEPAGESan10/90
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCEMANUAL
CHAPTER 52 -DOORS
TABLE OF CONTENTS
SUBJECT CHAPTER PAGE
52-10-00
Cabin Entrance Door 1 Cabin Entrance Door Removal 1 CabinEntrance Door Installation 1 Cabin Entrance Door Inspection 1 Cabin Entrance Door Step Mechanism 3 Steps Removal 3 Steps Installation 3 Handle (Inside) Removal 3 Cabin Entrance Door Latch Mechanism 3 Latching Mechanism Removal 3 Latching Mechanism Installation 5 Latching Mechanism Adjustment 5 Cabin Door Auxiliary Lock 6 Auxiliary Lock Removal 6 Auxiliary Lock Installation 6 Cabin Door Snubber 7 Door Snubber Removal 7 Filling Snubber Assembly 7 DoorSnubber Installation 7 Door Seal System 7 DoorSeal Assemblies 7 DoorSeals Removal 7 Door Seals Installation 9
52-30-00
Cargo Door 1 Cargo Door Removal 1 Cargo Door Installation 1 Cargo Door Latch Assembly 1 Cargo Door Latch Assembly Removal 1 CargoDoor Latch Assembly Installation 1 Nacelle Locker Door 3 Nacelle Locker Door Removal 3 Nacelle Locker Door Installation 3 NacelleLocker Door Latch Assembly 3 Nacelle Locker Door Latch Assembly Removal 3 Nacelle Locker Door Latch Assembly Installation 3 ForwardBaggage Door 4 ForwardBaggage Door Removal 4 Forward Baggage Door Installation 4 ForwardBaggage Door Latch Assembly 5 ForwardBaggage Door Latch Assembly Removal 5 Forward Baggage Door Latch Assembly Installation 6 ForwardBaggage Door Latch Adjustment 6
EFFECTIVITY:
040-999
CONTENTSan 10/90
PIPER AIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
CHAPTER 52 -DOORS
TABLE OF CONTENTS (continued)
SUBJECT CHAPTER PAGE
52-40-00
Service 1 Nose Cone Removal 1 Nose Cone Installation 1
52-70-00 Door Warning 1 Door Ajar Switches Description 1 Door Ajar Switches Removal 1 Door Ajar Switches Installation 2 DoorAjar Switches Adjustment 2 PeriodicCheck of Door Ajar Switches 2
EFFECTIVITY:
040-999
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
Doors
A. CabinEntranceDoor
CHART 1
FAULT ISOLATION (DOORSEAL CIRCUIT)
Fault Cause Remedy
Cabin door unsafelight Doorswitchstickingin Lubricatethe mechanical
will not go out. the open position. partssparingly with Glide
Air or equivalent.
Switch or switches in door Adjustswitches.
frameout of adjustment
Shortto ground. Checkwiring and repair.
Cabindoor unsafe light Broken wire or loose Checkand repairwiring.
will not come on. connection.
1. Cabin Entrance Door Removal (Figure 401)
(a)
Placea padded supportunderthe door to relieve tension from the two supportcables.
(b)
Removescuffcover from over the door hinge.
(c)
Remove boot over the door snubber attachmentpointon door. Disconnectsnubber if installed. (Refer to Paragraph Cabin Door Snubber.)
(d)
Disconnecttwo supportcables from door.
(e)
Disconnectpressure line to door seal.
(f)
Removehingepin and lift door to separate hinges. Removedoor from airplane.
2. Cabin Entrance Door Installation (Figure 401)
(a)
Placea padded supportunderdoor.
(b)
Positionhinge half on the door and half on the airplane. Install hinge pin.
(c)
Connecttwo support cables to door.
(d)Connect pressure line to door seal.
(e)Connectdoorsnubberand replace boot,if installed.
(f)
Installscuff cover over door hinge.
(g)
Removepaddedsupportfrom under door.Checkdoor fit.
3. CabinEntrance Door Inspection
(a)
Makea visual inspectionof parts for excessive wear,metal fatigue, andsigns of improper adjustments.
(b)
Operatedoorlatchmechanism.Checkforproperfunctioningofall locking lugsandfor signs of binding.
(c)
Referto paragraphs for repair andserviceinstructionsof various door components.
(d)
Refer to 12-20-00for proper lubricationof door and related mechanisms.
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