(9)
Inspectconditionof igniter plugs. (Referto 74-00-00)
(10)
Inspect ignition harness and insulatorsfor high tension leakage, continuity, damage and attachment.
(11)
Inspectelectricalconnectionson ignition exciterforsafety and security.
(12)
Removeair inlet screen;inspectfirst stagecompressorblades for ingestiondamage and corrosion. Inspect screen for damage and cleanliness. Install screen.
(13)
Cleanand inspect fuelpumpinletscreenfor foreign material. Replaceoutletfilter.
(14)
Inspect gas generator case drain valves for security and leaks. (Check after engine run)
(15)
Inspect magnetic chip detector and jump pins "A & B", operational check of annunciator.
(16)
Inspectconditionof inletair ducts and iceprotectionsystem for operationandfit. (See latest Piper Service Letter No. 983.)
(17)
Inspect condition of actuatorsand linkagefor ice protection system and oil cooler doors.
CAUTION: WHEN ENGINE IS NOT RUNNING, ANY ATTEMPT TO MOVE POWER LEVERS INTO REVERSE POSITION, WITHOUT DISCONNECTING PROPELLERPUSH-PULLWIRE ROPE CLEVIS FROM PROPELLER CONTROLCAM, WILL RESULT IN BENDING OR KINKING OF WIRE ROPE
(18)
Inspectpower lever,start control, propellergovernorand propellerreversinglinkage for condition,traveland operation.
(19)
Inspectgasgeneratorcasefor cracks, distortionand evidence of overheating.
(20)
Inspectexhauststacksandexhaustductsfor cracks, distortionandsecurity.
(21)
Inspectpropellergovernorforleaksand security.
(22)
Inspect propeller shaft for oil leaks.
(23)
Removedrain;cleanand inspect fuelfilterbowlandelement. (Firewall mounted)
(24)
Inspectall flexible lines(fuel, hydraulic, pneumaticand oil) for leaks, abrasions,cuts
and secure connections. Replaceuponcondition or as per Special Inspection. (See latestPiper Service BulletinNo. 822 and 5-50-00.)
(25)
Inspectfuel control, fuel pumps, fuel manifold, fuel flow transmitterand fuel pressure transmitterfor leaks, security and condition. Check wiring for security and condition. (Seelatest revision of Piper ServiceBulletin 957.)
(26)
Replace hydraulicfilter and inspect for contamination. If filter shows evidence of contamination,inspect entire hydraulicsystem.
(27)
Inspecthydraulicpumpand hydrauliclines for securityand leaks.
(28)
Inspectenginefiresealsforcracks,damageand security.
(29)
Inspectfirewallsforcracks,stressand condition.
(30)
Inspectfirewallsealsfor condition.
EFFECTIVITY: 040-999 PAGE 5-20-00
Feb1/98 5-20-00
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
A. ScheduledMaintenance(continued)
5. Event 1 (continued)
(b) Engine(s),Detailed (continued)
Left Right
(31)
Inspectoil breather tubefor obstruction and security.
(32)
Inspectoil filler cap seal for damageandcondition.
(33)
Checkproperlockingfeatureof oil filler cap.
(34)
Inspect oil pressuretransmitterfor security and leaks. Checkwiresforconnectionand damage.
(35)
Inspect torque transmitter for leaks and security. Check wiring for damage and security.Checkconditionof shock mounts.
(36)
Inspectoil manifold for leaksandsecurity.
(37)
Inspect autoignition switch and manifold for securityand condition. Checkwiringfor damageand secureconnection.
(38)
InspectP3 air filterfor contamination. Replaceif evidence of contamination.(Referto 5-50-00)
(39)
Inspect fire extinguisherfor damageand securityof wiring. Test fire extinguishing systemfor proper cylinderpressure(Referto 26-20-00)
(40)
Inspectfire warning sensorsand wiring for securityand condition.
(41)
Inspectcompressorwash ring for damage and security.
(42)
Inspectcompressorwashvalve assembly for security and operation. (if installed)
(43)
Inspectenginemountsfor cracks, damageand loose mountingbolts.
(44)
Inspectrubber Lord mountsfor deterioration andcondition.
(45)
Checksecurity, wiring and operation of blade angle sensoror beta lights, if installed.
(46)
Checksecurity,wiringandoperationof beta limitersystem.
(47)
Inspectfront and rear tachometergeneratorsfor security and wiring.
(48)
Inspect starter generatorquick attachment device (QAD) ring and mount pad for security,cracksanddamage.
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