Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Cirrus Manuals
  4. Tools
  5. SR20 2010
  6. Maintenance manual

Cirrus SR20 2010 Maintenance Manual

Hide thumbs

Advertisement

Quick Links

Download this manual
C I R R U S
A I R P L A N E M A I N T E N A N C E M A N U A L
1. DESCRIPTION
This section provides guidance for repair processes used in Section 70 - Standard Repairs and other spe-
cific repairs found throughout the manual.
logical order in the repair sequence; Repair Preparation, Repair Application, Cure Cycle, and Painting.
Guidelines and requirements on proper repair environment and machining parameters are also discussed.
A. General Information and Requirements
Refer to Section 00 - Standard Practices: Structures for detailed information on personnel qualifica-
tions and safety information, construction methods, and Airframe Zone Diagrams.
Section 10 - Investigation, contains guidance for identification of damage, associated classifications
and repairs, and damage reporting procedures.
Refer to Section 30 - Materials for a listing of all approved materials necessary to perform standard
repairs.
(Refer to 51-30)
Section 70 - Standard Repairs contains composite repair procedures that are used with the supporting
processes outlined in Section 20.
EFFECTIVITY:
All
PROCESSES
(Refer to 51-70)
In general, processes are organized by chrono-
(Refer to 51-10)
(Refer to 51-70)
M O D E L S R 2 0
(Refer to 51-00)
51-20
Page 1
15 Jun 2010

Advertisement

loading
Need help?

Need help?

Do you have a question about the SR20 2010 and is the answer not in the manual?

Questions and answers

Related Manuals for Cirrus SR20 2010

Summary of Contents for Cirrus SR20 2010

  • Page 1 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 PROCESSES 1.
  • Page 2 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 B.

  • Page 3: Relative Humidity

    C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 CAUTION TEMPERATURE ACCEPTABLE...

  • Page 4: Maintenance Practices

    C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 2.
  • Page 5 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 CARBIDE OR CARBIDE TIPPED POINT ANGLE...
  • Page 6 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 C.
  • Page 7 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Description P/N or Spec.
  • Page 8 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Acquire necessary tools, equipment, and supplies.
  • Page 9 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 FABRIC BOLT FILL WARP...
  • Page 10 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Repair Surface Preparation Generally, hand-sanding or a orbital type sander are the preferred methods of repair surface preparation.
  • Page 11 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Define sanding area with marker and fill area with a cross-hatch of other random pattern.
  • Page 12 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Acquire necessary tools, equipment, and supplies.
  • Page 13 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 90°...
  • Page 14 Water Break Test CAUTION: The following procedure should only be performed at the disposition of Cirrus Design or if specifically referenced by repair. A water break test will show when the repair area surface has been correctly prepared and will ensures maximum bond strength.
  • Page 15 Liquids that do not dry completely or leave a residue (jet fuel or hydraulic fluid for example), must be cleaned and dried by some other method or the contaminated part replaced entirely. Call Cirrus Design for disposition. (Refer to AMM-Intro-) Dry any visible liquid as follows: Acquire necessary tools, equipment, and supplies.
  • Page 16 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 CAUTION: Care should be taken not to force water further into the structure or to damage the structure with excessive pressure.
  • Page 17 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Description P/N or Spec.
  • Page 18 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 PROBE RADIANT HEAT METHODS 250W...
  • Page 19 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 D.
  • Page 20 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Note: The adhesive bead should have a high point near the center of the bead to avoid entrapped air.
  • Page 21 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Apply a uniform layer of adhesive greater than 0.015 inch (0.381 mm) thick, or Apply a layer of adhesive using 1/4”...
  • Page 22 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 ADHESIVE COMPOSITE SURFACE...
  • Page 23 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Filler Paste Application Filler paste may be used to fill dents, gouges, or other voids left in the core or laminate material after surface preparation.
  • Page 24 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Backing plate installed to underside of repair area;...
  • Page 25 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 TRIM OUTER LAMINATE &...
  • Page 26 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Foam Core Replacement Foam core must be replaced prior to laminate repair if significant damage to the core exists due to penetration of the composite sandwich structure.
  • Page 27 M O D E L S R 2 0 Sandwich Structure Replacement CAUTION: Prior to performing a sandwich structure replacement, Cirrus Design must be con- tacted for disposition. (Refer to AMM-Intro-) Sandwich Structure Replacement is necessary if significant damage to the core exists due to penetration of the composite sandwich structure and if location of repair is contoured, such as the wing leading edge, or if backside of repair area is inaccessible.
  • Page 28 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 twice as many repair plies as the original lay-up in order to assure that the original strength is achieved.
  • Page 29 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 If repairing an outside, finished surface apply peel ply as follows: Apply a thin coat of resin to repair area using a clean brush.
  • Page 30 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 PEEL PLY WARP AXIS OR 0°...
  • Page 31 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Laminating - Transfer Method (See Figure 51-209) This method is used when the repair is in a difficult position.
  • Page 32 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Using the template, warp axis and/or 0°...
  • Page 33 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 RELEASE FILM REPAIR PLIES WARP AXIS OR 0°...
  • Page 34 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 (10) Expanded Metal Mesh (EMM) (See Figure 51-2010) Expanded metal mesh (EMM) is used throughout the airplane for electrical bonding and shield-...
  • Page 35 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Note: For repair areas with complex shape, it is allowable to fold small pleats into the EMM to enable the EMM to conform to contour of repair.
  • Page 36 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 0.20 inch 0.20 inch (0.51 cm)
  • Page 37 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 E.
  • Page 38 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Type P/N or Spec.
  • Page 39 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Type P/N or Spec.
  • Page 40 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Typical Cure Using Hot Air Dryer Enclosure and Monitoring System (See Figure 51-2012) A simple enclosure around the repair is constructed using bagging film taped to the surrounding...
  • Page 41 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 CAUTION: Do not allow Flashbreaker tape to contact airplane finish during cure pro- cess.
  • Page 42 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 LEGEND 1.

  • Page 43: Exterior Finish

    C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 F.
  • Page 44 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Spot Putty Application Spot putty is used to fill small cosmetic defects such as pits and minor scratches.
  • Page 45 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 When the body filler is cured, rough out shape with 36 grade sandpaper.
  • Page 46 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Sealer Application Sealer prevents moisture from effecting the fillers and staining of the topcoat from chemicals released by the fillers.
  • Page 47 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Description P/N or Spec.
  • Page 48 C I R R U S A I R P L A N E M A I N T E N A N C E M A N U A L M O D E L S R 2 0 Intentionally Left Blank 51-20 EFFECTIVITY:...