Cessna, 340, 340A, 414, 414A, Exhaust System. - Acorn Welding

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L E L N E C C E X E (toll free) 1-888-388-8803 1-780-447-5955 Fax: 1-780-447-5980 sales@acornwelding.com parts@acornwelding.com www.acornwelding.com (toll free) 1-888-388-8803 1-780-447-5955 Fax: 1-780-447-5980 sales@acornwelding.com parts@acornwelding.com www.acornwelding.com ©2010 Acorn Welding Ltd. 2 1 15 18 19 20 13 14 12 11 16 3 4 5 6 7 8 9 10 9 20 19 20 20 17 CESSNA 340/340A/414/414A Usable on Codes A: Mating flanges do not require seal B: Mating flanges that require seal C: 340A Model only D: 414A E: 414, 414A F: 340, 340A, 414 G: All H: 340,414,414A 340/340A/414/414A AD 2000-01-16 Applies to all S/N's Visual inspection of exhaust system every 50 hrs or 30 days of operation. Remove/inspect tailpipes for cracks, corrosion, holes or distortion every 12 months. Inspect/pressure test exhaust system every 12 months. Replace multi-segment V-band clamps every 500 hrs of operation. Remove exhaust system from slip-joints aft to all turbo-charger components every 2500 hrs of operation or 12 yrs whichever occurs first and send to approved repair facility. 340A AD 98-24-14 Applies to S/N's 215 thru 1817 with P/N 9910299-25 & 26 in the exhaust system. Replace P/N 9910299-25 & 26 with approved new parts. Inspect tailpipes for internal pitting and wall thickness especially at the outside radius, which is the thin section, and at support bracket. Inspect joints for freedom of movement and distortion. Inspect turbo header for internal pitting, warped or cracked flow divider and thin sections. Some of the parts for this aircraft are Inconel. Although Inconel is a far superior metal, it is more difficult to inspect. Inconel tends to corrode from the inside without showing signs of flaking or bulging like stainless steel. The carbon on the inside of the exhaust parts should be removed to properly inspect the components. If the welds are developing pinholes the component may not pass an internal inspection. Slip fit stacks should be ordered as a complete assembly to ensure good joint integrity with smooth slip fits. Item Part Number Description Code 9910295-14/30 STACK ASSY RIGHT HAND 9910295-13/29 STACK ASSY LEFT HAND 9910295-17/33 STACK LEFT HAND FWD 9910295-19/35 STACK LEFT HAND CTR 9910295-21/37 STACK LEFT HAND AFT 9910295-18/34 STACK RIGHT HAND FWD 9910295-20/36 STACK RIGHT HAND CTR 9910295-22/38 STACK RIGHT HAND AFT 9910296-2/7 SLIP JOINT (INCONEL) 9910296-1 SLIP JOINT (STAINLESS STEEL) 9910299-15/29 MANIFOLD ELBOW LEFT HAND 9910299-33 MANIFOLD ELBOW LEFT HAND 9910377-1 MANIFOLD ELBOW LEFT HAND 9910299-16/30 MANIFOLD ELBOW RIGHT HAND 9910299-34 MANIFOLD ELBOW RIGHT HAND 9910377-2 MANIFOLD ELBOW RIGHT HAND 9910299-40 HEADER (9910299-9) 9910299-39 HEADER (9910299-8) 9910341-1/3 HEADER 9910299-10 BYPASS ELBOW 9910299-35 BYPASS ELBOW 9910299-36 WASTEGATE OVERBOARD WASTEGATE OVERBOARD LE WASTEGATE OVERBOARD RE 9910306-1 GASKET WASTEGATE VALVE 9910299-31 TAILPIPE LEFT ENGINE 9910299-32 TAILPIPE RIGHT ENGINE NH1000897-20 CLAMP MANIFOLD TO HEADER 17189-250N1 GASKET MANIFOLD TO HEADER NH1000897-50 CLAMP TAILPIPE NH1000897-70 CLAMP HEADER TO WASTEGATE 17189-200N1 GASKET WASTEGATE NH1000897-60 CLAMP MANIFOLD TO HEADER 0851053-5 SHROUD HALF 0850715-1 HEAT SHIELD ON OB LH ENGINE 0850716-1 HEAT SHIELD ON IB RH ENGINE 565008-5 HEAT SHIELD ON OB LH ENGINE 565008-6 HEAT SHIELD ON IB RH ENGINE 5654030-2 BRACKET LH OR RH 628260 GASKET 011-252 SPRING KIT VARIOUS INDUCTION AIR ASSY VARIOUS SEAT BASE 5650105-1 BRACKET TURBO SUPPORT 5655202-10 BRACKET TURBO SUPPORT RH 5655202-11 BRACKET TURBO SUPPORT LH 4256AB200 CLAMP U84-2108H CLAMP U84C400SS CLAMP EXHAUST OB SUPPORT 3063CC400 CLAMP EXHAUST OB SUPPORT U84C450SS CLAMP EXHAUST OB SUPPORT 1 2 3 4 5 6 7 8 9 9 10 10 10 11 11 11 12 12 12 13 13 14 15 16 - 17 18 19 - - 20 - - - - - - - - - - - - - - - - - - - - 340A 414A 340A 414A 414A 340A 414A 340A HEADER TO WASTEGATE ELBOW WASTEGATE OB SUPPORT A B/F A/E A A/F E A/H B/H C A B D D G B B A B A D F F B E F D 9910299 -13/23/37 9910299 -14/24/38