(14)
Inspectgas generatorcase drain valvesfor securityand leaks. (Checkafter engine run)

(15)
Inspect magnetic chip detector and jump pins "A & B", operational check of annunciator.

(16)
Inspectconditionof inlet air ductsand iceprotectionsystemfor operation andfit. (See latest Piper Service Letter No. 983.)

(17)
Inspect conditionof actuators and linkagefor ice protection system and oil cooler doors.

CAUTION: WHEN ENGINEIS NOT RUNNING,ANY ATTEMPT TO MOVE POWER LEVERSINTOREVERSEPOSITION,WITHOUTDISCONNECTING PROPELLERPUSH-PULLWIRE ROPE CLEVIS FROM PROPELLER CONTROLCAM,WILLRESULTIN BENDING OR KINKING OF WIRE ROPE.
[ a (18) Inspectpowerlever,start control, propellergovernorand propellerreversinglinkage for condition, travel and operation. D] (19) Inspect gasgeneratorcase for cracks, distortion andevidenceof overheating. ] (20) Inspect exhauststacksand exhaust ducts for cracks, distortionandsecurity.D (21) Inspectpropellergovernorfor leaks and security.
(22)
Inspect propeller shaft for oil leaks.

(23)
Removedrain;clean and inspect fuel filter bowl and element. (Firewallmounted)

(24)
Inspectall flexible lines (fuel, hydraulic, pneumaticand oil) for leaks, abrasions, cuts and secure connections.Replaceupon condition or as per Special Inspection. (See latestPiperServiceBulletinNo. 822 and 5-50-00,3500Hr.)

(25)
Inspectfuel control,fuel pumps, fuel manifold,fuelflow transmitterand fuel pressure

transmitterfor leaks, securityand condition. Check wiring for securityand condition. (Seelatestrevisionof PiperServiceBulletin957.)

(26)
Replacehydraulicfilter and inspectfor contamination. If filter shows evidence of contamination,inspectentirehydraulicsystem.

(27)
Inspecthydraulicpump and hydrauliclinesfor securityand leaks.

(28)
Inspectenginefiresealsforcracks,damageandsecurity.

EFFECTIVITY: 040-999
5-2000PAGE 23
5-20-00Feb 1/98

PA-42-720 (Advanced Trainer) MAINTENANCEMANUAL
A. ScheduledMaintenance(continued)
6. Event2 (continued)
(b)
Engine(s), Detailed (continued) Left Right

(29)
Inspectfirewallsforcracks,stressand condition.

(30) Inspectfirewallsealsforcondition. 
(31) Inspectoil breather tubefor obstruction and security. 
(32) Inspectoil filler capseal for damage and condition. 
(33) Checkproperlockingfeatureof oil filler cap. 
(34) Inspect oil pressure transmitterfor security and leaks. Checkwires for connectionand damage. 
(35) Inspect torque transmitter for leaks and security. Check wiring for damage and security.Check condition of shock mounts. 
(36) Inspectoil manifoldfor leaksandsecurity. 
(37) Inspect autoignition switch and manifold for security and condition. Check wiring for 
damage and secure connection. 
(38) Inspect P3 air filter for contamination. Replaceif evidence of contamination. (5-50-00, 1,000 Hr.) 
(39) Inspect fire extinguisher for damage and security of wiring. Test fire extinguishing systemfor proper cylinderpressure(Referto 26-10-00) 
(40) Inspect fire warningsensorsand wiring for securityand condition. 
(41) Inspect compressor wash ring for damage and security. 
(42) Inspect compressor wash valve assembly for security and operation. (if installed) (43) Inspect engine mounts for cracks, damage and loose mountingbolts. 
(44) Inspect rubber Lord mountsfor deterioration and condition. 
]  (45) Check security, wiring and operation of blade angle sensor or beta lights, if installed. 
(46) Check security, wiring and operation of beta limiter system. 
(47) Inspect front and rear tachometer generators for security and wiring. 
(48) Inspect starter generator quick attachment device (QAD) ring and mount pad for 
security, cracks and damage. 
(49) Inspectconditionof starter-generator cables. 
(50) Inspect condition of starter-generator cooling air ducts. 
[  (51) Clean dual drive lubefilter. (52) Inspect generator control units (GCU) for security, damage and wiring integrity. 
(53) Inspect bleed air lines, flexible lines and couplings for security, damage and leakage. (Also see Piper Service Bulletin No. 914). 
(54) Check bleed air shutoff valve and mixing regulator for security, damage, leakage and 
correct operation. Check wiring for attachment and damage. 
(55) Inspect bleed air intercooler for cleanness and blockage. Check intercooler inlet and outlet for blockage, security and leakage of duct couplings. 
]  (56) Inspect and check all engine wiring and ITT harness and connectors for security and 
condition. 
(57) Lubricate power plant per Lubrication Chart. (Refer 12-10-00) 
　
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