INSTALLATION OF DEICER AND REQUIRED MATERIALS.
It is imperative that the following instructions be followed exactly to insure maximum adhesion to the
propeller blades:
1. When the cement coats are tacky (slightly sticky to the touch-like masking tape), dry on both the propeller
surface and deicer surface, position deicer on blade leading edge. Start at hub end, using centerlines as a
guide. (Refer to Figure 30-11)
2. Make sure that the harness will fall in the previously marked position.
3. Working outward toward the tip, tack the deicer centerline to the leading edge of the propeller blade.
4. Use the tackifying solvent as necessary. If deicer is allowed to get off course, pull up with a quick motion
and re-apply deicer.
5. If cement is removed from either surface, completely remove the deicer and re-apply cement as explained in
the previous paragraph.
6. When the deicer is correctly positioned, roll firmly along the centerline with a rubber roller. (Refer to
7. Gradually tilt the rubber roller and carefully work the deicer over either side of the blade contour to avoid
trapping air. Roll outwardly from centerline to edges. Be especially careful to work out excess material at
outboard edge of deicer before other edges are completely rolled down. If excess material at edges tends to
pucker, work out puckers smoothly and carefully with fingers.
8. Roll the tapered edges, especially inboard edge of the deicer with the metal stitcher.
— CAUTION —
TO AVOID DAMAGE TO DEICER RESISTANCE WIRES, DO NOT USE
M E TAL STITCHER ON BODY OF DEICER. AREA WHERE META L
STITCHER IS PERMITTED NOT TO EXCEED 3/16” ALONG DEICER
EDGE.
PREPARATION AND APPLICATION OF SEALER.
Deicers loosened due to destruction of adhesive bond by lubricants do not respond well to recementing.
Therefore, removal, cleaning, and reinstallation of the deicers are recommended.
1. Clean an area .500 of an inch wide around the circumference of the deicer down to the bare metal. Use
MEK or Acetone and clean thoroughly.
2. Clean outer . 500 of an inch of all deicer edges and back under deicer about .250 of an inch on all sides past
loosened areas with MEK or Acetone. For final cleaning, quickly wipe off solvent with a clean, dry lint free
cloth to avoid leaving a film.
3. Recement loosened areas of deicers in accordance with the paragraph on cement application.
4. Mix the filler, sealer, or paint thoroughly and in the proper proportions by weight, as given in Chart 3006.
5. Locate masking tape approximately .125 of an inch beyond the cemented area around the deicer to permit
filler material to contact bare metal.
Immediately remove the masking tape and allow the filler to dry for six hours.
7. Apply masking tape about .125 of an inch beyond filler or .250 of an inch beyond cemented area when no
filler is used, to permit sealer to contact bare metal. Apply one even brush coat of sealer to the area a-round
the deicer. (Refer to Figure 30-11) Remove masking tape immediately and allow sealer to dry. Allow 12
hours cement curing time before starting engine, allow 24 hours cement curing time before operating the
deicers.
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
3 0 - 6 8 - 0 8
Page 30-41
Revised: May 15, 1989
2E21
PIPER AIRCRAFT
Содержание SEMINOLE PA-44-180
Страница 18: ...CHAPTER AIRWORTHINESS LIMITATIONS PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1A18 PIPER AIRCRAFT...
Страница 21: ...CHAPTER TIME LIMITS MAINTENANCE CHECKS PA 44 180 180T AIRPLANE MAINTENANCE MANUAL 1A21 PIPER AIRCRAFT...
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Страница 38: ...CHAPTER DIMENSIONS AND AREAS 1B14...
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Страница 49: ...CHAPTER LIFTING AND SHORING 1C1...
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Страница 53: ...CHAPTER LEVELING AND WEIGHING 1C5...
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Страница 58: ...CHAPTER TOWING AND TAXIING 1C10...
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Страница 62: ...CHAPTER PARKING AND MOORING 1C14...
Страница 65: ...CHAPTER REQUIRED PLACARDS 1C17...
Страница 70: ...CHAPTER SERVICING 1C22...
Страница 98: ...CHAPTER STANDARD PRACTICES AIRFRAME 1E2...
Страница 108: ...CHAPTER ENVIRONMENTAL SYSTEM 1E12...
Страница 189: ...CHAPTER AUTOFLIGHT 1H21...
Страница 192: ...CHAPTER COMMUNICATIONS 1H24...
Страница 202: ...CHAPTER ELECTRICAL POWER 1I10...
Страница 228: ...CHAPTER EQUIPMENT FURNISHINGS 1J12...
Страница 233: ...CHAPTER FIRE PROTECTION 1J17...
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Страница 238: ...CHAPTER FLIGHT CONTROLS 1J24...
Страница 304: ...2A18 CHAPTER FUEL...
Страница 325: ...2B17 CHAPTER HYDRAULIC POWER...
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Страница 357: ...2D1 CHAPTER ICE AND RAIN PROTECTION...
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Страница 414: ...CHAPTER LANDING GEAR 2F13...
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Страница 479: ...2I6 CHAPTER LIGHTS...
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Страница 488: ...2I16 CHAPTER NAVIGATION AND PITOT STATIC...
Страница 503: ...2J7 CHAPTER OXYGEN...
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Страница 524: ...2K6 CHAPTER VACUUM...
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Страница 535: ...2K19 CHAPTER ELECTRICAL ELECTRONIC PANELS AND MULTIPURPOSE PARTS...
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Страница 547: ...2L7 CHAPTER STRUCTURES...
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Страница 582: ...CHAPTER DOORS 3A18...
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Страница 593: ...CHAPTER STABILIZERS 3B8...
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Страница 604: ...CHAPTER WINDOWS 3B22...
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Страница 611: ...CHAPTER WINGS 3C10...
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Страница 624: ...CHAPTER PROPELLER 3D1...
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Страница 643: ...CHAPTER POWER PLANT 3D21...
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Страница 667: ...CHAPTER ENGINE FUEL SYSTEM 3F1...
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Страница 681: ...CHAPTER IGNITION 3F16...
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Страница 712: ...CHAPTER ENGINE INDICATING 3H1...
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Страница 730: ...CHAPTER EXHAUST 3H19...
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Страница 734: ...CHAPTER OIL 3I1...
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Страница 743: ...CHAPTER STARTING 3I11...
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Страница 755: ...CHAPTER TURBINES 3J1...
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Страница 787: ...CHAPTER CHARTS AND WIRING DIAGRAMS 4A18...
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