SR22 AMM - Cirrus...

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 S R 2 2 A N D S R 2 2 T

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EFFECTIVITY:

MATERIALS

1. DESCRIPTION

This section lists the approved materials required for repair of the airplane.

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. (Refer to 51-00)

Section 10 - Investigation, contains guidance for identification of damage, associated classifications and repairs, and damage reporting procedures. (Refer to 51-10)

Section 20 - Processes, describes specific processes and methods used in the repair of the aircraft. (Refer to 51-20)

Section 70 - Standard Repairs contains composite repair procedures that are used with the supporting processes outlined in Section 20. (Refer to 51-70)

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15 Jun 2010

2. MAINTENANCE PRACTICES

A. Storage and Handling

Repair materials require specific storage and handling considerations.

• Read and follow all storage and handling instructions contained in the Material Safety Data Sheet (MSDS).

• Store repair materials in a cool, dry environment.• All repair materials must be stored in accordance with the manufacturer’s instructions.• Do not exceed the manufacturer’s specified shelf life.• Maintain records for all materials held in storage.


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EFFECTIVITY:

B. Approved Materials

(1) Structural and Non-Structural Repair Systems

Type Component P/N or Spec. Manufacturer

Structural Resin Repair System

Base ResinCuring Agent

L418H418

MGS Kunstharzprodukte GmbHD-70309 Stuttgart+49-711-38 98 00-0

Structural Resin Repair System


L285H287

MGS Kunstharzprodukte GmbHD-70309 Stuttgart+49-711-38 98 00-0

Structural Paste Adhesive Repair System


ES6292-AES6292-B w/ Beads

PTM&W Industries, Inc.Santa Fe Springs, CA 90670800-421-1518Repair System may only be purchased through the Factory Service Center.

Structural HighTemperature Resin

Repair System1

1. Serials 22-2420 & subs with high temperature firewall only, 22T-0001 & subs: Use on engine compartment side of firewall only.


Hysol EA 9396-AHysol EA 9396-B

Henkel Corporation2850 Willow Pass RoadBay Point, CA 94565-0031925-458-8278

Structural HighTemperature Paste Adhesive Repair

System1


Hysol EA 9395-AHysol EA 9395-B

Henkel Corporation2850 Willow Pass RoadBay Point, CA 94565-0031925-458-8278

Non-Structural Resin

Repair System


Epon 862Epicure 3234

Resolution Performance ProductsHouston, TX 77210-4500877-859-2800Base Resin

ModifierCuring Agent

Epon 862Heloxy 68Epicure 3234

Non-Structural Resin Repair System

Base Resin

Modifier

Curing Agent

Derakane 470-36

Cobalt Napthenate 6%

Luperox CU90

Dow ChemicalMidland, MI 48674517-636-1000

Condea Servo LLCPiscataway, NJ 08855

Elf Atochem North AmericaPiffard, NY 14533585-243-0330

Non-Structural Resin Repair System


PR2032PH3630(~0.5 hour pot life)PH3660 (~1 hour pot life)PH3665 (~2 hours pot life)

PTM&W Industries, Inc.Santa Fe Springs, CA 90670800-421-1518

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19 Sep 2017

(2) Filler Materials

(3) Bondline Control Materials

(4) Repair Fabrics

(5) Sandwich Core Material

Type P/N or Spec. Manufacturer

Fumed Silica Aerosil 200 Pharma

Degussa CorporationParsippany, NJ 07054-0677877-202-3463

Microfiller Sil-32, Sil-Cell Silbrico CorporationHodgkins, IL 60525800-323-4287


Glass Beads Microbead Class IV, 60+80 sieve size, 9.7 to 6.9 mil

MO-SCIRolla, MO 65401573-364-2338


Structural Glass Fiber Fabric 7781 / F16 or F3 Hexcel Stamford, CT 06901800-431-1110Non-Structural Carbon Fiber Fabric 282

Non-Structural Glass Fiber Fabric 7781 / F16 or F37725 / F16 or F37520 / F16 or F3

Carbon Uni Tape, Prepreg 950-1 Cytec Engineered MaterialWinona, MN 55987507 452-8127


Sandwich Core Material, Divinycell HT HT 61 HT 70HTZ 70HT110

DIAB Inc.Desoto, TX 75115972-228-7600


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EFFECTIVITY:

(6) Exterior Finish Body Fillers

(7) Primer


Flexible Ext. Spot Putty 100238 Fibre Glass-EvercoatCincinnati, Ohio 45242513-489-7600 Spot-Lite, Light Weight Ext. Body Filler 100445

Z-Grip Premium Body Filler Refer to manufacturer.

Plastik Honey Body Filler Thinner Refer to manufacturer.

Glaze Coat Spot Putty Refer to manufacturer.

Cream Hardener Refer to manufacturer.

Smart Grip Filler Refer to manufacturer. Gearhead Products Inc.Indianapolis, IN 46204317- 237-3678Smart Premium Glaze Spot Putty Refer to manufacturer.

Filler, P-17 High-Heat Resistant 1

1. De-ice porous panel installation only. Used to fill void between panel and wing skin.

#17 AdTechCharlotte, MI 48813800-255-9934Filler, P-11 Flexible 1 #11 Type 1 Blk


Epoxy Primer, PPG Fleet Series (Metal only)

Epoxy Primer Base - Gray

See manufacturer’s data sheet for optional components.

F3993

PPG Industries, Inc.Pittsburgh, PA 15272877-367-4721

Primer, PPG Fleet Series(Composites/ABS Plastic only)

Surfacer Base


K36K38


Urethane Primer Surfacer(Composites/ABS Plastic only)

Surfacer Base


CMO481030

Sherwin-Williams Aerospace CoatingsAndover, KS 67002

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19 Sep 2017

(8) Paint Sealer

(9) Exterior Paint System - Single Stage

Primer Surfacer, P30 SpectraPrime Color (Composites/ABS Plastic only)

Surfacer Base


SpectraPrime

Sherwin-Williams800-474-3794


Quick Dry Epoxy PrimerBase


CM0483712Sherwin-Williams Aerospace CoatingsAndover, KS 67002

DTM Epoxy SealerBase


E2A960F3993

Sherwin-Williams800-474-3794


Fleet - Single Stage Paint System, DSS Series:

Top Coat - Cirrus White


DSS92813DSS90841DSS91330DSS91536




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EFFECTIVITY:

(10) Exterior Paint System - Two Stage


Fleet - Two Stage Paint System:Base/Clear Coat

Base Coat - WhiteBase Coat - Silver PearlBase Coat - Sterling 2011Base Coat - GoldBase Coat - Black#Base Coat - Gulf Blue*Base Coat - Imperial Red*Base Coat - Orange*Base Coat - Yellow*Base Coat - Titanium**Fuselage Only.#Accent Only.

Clear CoatClear CoatClear Coat - Spot Repair Only


FBC92813FBC37121FBC920048FBC918202FBC9700AFBC105020 / FBC105220FBC919387FBC920318/1&2FBC801070FBC918510

F3905F3906F3930


SKYscapes 850 and 855 - Two Stage Paint SystemBase/Clear Coat

Base Coat - Snow WhiteBase Coat - Sterling SilverBase Coat - Frost BlueBase Coat - TitaniumBase Coat - Champagne GoldBase Coat - Solar YellowBase Coat - Gulf Blue*Base Coat - Agate Grey*Base Coat - Imperial Red*Base Coat - Sedona Red*Base Coat - Athens Blue*Base Coat - Driftwood Tan*Base Coat - Corso Red*Base Coat - Mantis Green*Base Coat - Monaco Blue**Fuselage Only

Clear Coat


CM0850102 / CM0855102SGM06660 / CM0855660SGM200001SGM200006SGM06751S200105 / SG200105SGM06662SGM200002SGP06661SGE200005SGP200007SGM06750S11279 / SG11279S11402 / SG11402S11432 / SG11432

CMO850CC1

Sherwin-Williams Aero-space CoatingsAndover, KS 67002

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(11) Interior Paint System

(12) General Adhesives


Polane T Interior Enamel Paint System:Black

Cocoa TanSlateTawnyDriftwoodGrayImpala (Soft Touch)Slate (Soft Touch)Tawny (Soft Touch)

F63TXB14208-1417F63B12F63TXN12058-4302F63TXA14206-1417F63TXA12806-4302F63TXH12761-4302F63TXH12473-4302F63TXA10315-4302F63TXH14754-4302F63TXB13073-4302F63TXH13038-4302

Sherwin WilliamsCleveland, Ohio 44115216-566-2000

TEC/SYSTEM 97 Interior Vinyl Coating Paint System:

Stone 97-48690-L

Martin-SenourWarrensville Heights, OH 44128800-526-6704

Soft Touch Polyurethane Coating Paint System:

Clear Coat

Thinner

Hardener

ST2010

ST2011

ST2012

ALSA CorporationVernon, CA 90058800-999-4120

Soft Touch Polyester Coating Paint Sys-tem:

Clear

Reducer

Hardener

6125SP

6396SP

6225SP



Epoxy Adhesive 5 Minute Epoxy DevconDanvers, MA 01923800-933-8266

Epoxy Adhesive 5 Minute EpoxyLoctite E-00NS

Henkel CorporationBay Point, CA 94565-0031925-458-8278

Polyurethane Adhesive Arathane AW 8680Hardener HW 8685

Huntsman Advanced MaterialsThe Woodlands, TX 77380888-564-9318


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EFFECTIVITY:

(13) Sealants


Sealant w/ Semkit Applicator

Typically used for window installation.1PRC-1829, Class B (polythioether)

PRC - DesotoGlendale, CA 91203818-247-7140

Sealant w/ Semkit ApplicatorTypically used for interior fuel bay sealing & wing/horizontal root fairing installation.De-ice porous panel installation.Serials w/ FIKI: Low level switch installa-tion.

Alternate for window installation.1

AMS-3277, Type II, Class B (polythio-

ether)2

orAMS-S-8802, Type II, Class B (polysulfide)

Any Source

Sealant w/ Semkit ApplicatorTypically used for sealing fuel bay access panels.

AMS-S-83318orAC-250 B-1/6

Any Source

High Temperature Sealant 736 RTV Dow Corning CorporationMidlands, MI 48686517-496-6000Multi-Purpose Sealant

Serials w/ FIKI: Typically used for sealing perimeter of stall warning lift transducer.

732 RTV Black

PrimerTypically used to ensure bond between pre-heater pad and engine.

PR-1200 Prime Coat

Caulk SealantTypically used for antenna sealing.Specific sealant used for exterior cos-

metic window sealing.3

C850A 151-8273 White Sherwin WilliamsCleveland, Ohio 44115216-566-20001518281 Antique White

1518299 0920-A Beige

051135-06580 White 3M CompanySt. Paul, MN 55144888-364-357708361 Gray

08360 White

08364 Beige

62529252306 Clear4

62527752331 White

62527852339 Black3

62527952337 Gray

High Temperature Sealant w/ Semkit ApplicatorTypically used on firewall.

AMS-3374, Type I Any Source

Firewall Sealant CS-1900 Flame Master Corp.Sun Valley, CA 91352 818-982-1655

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19 Jan 2018

(14) Expanded Metal Mesh

General-Purpose Acetoxy Sealant RTV103 Momentive Performance Mat.Waterford, NY 12188800-424-9300

Primer, Adhesion Promoter AC 137 Red 3M CompanySt. Paul, MN 55144888-364-3577

Primer, Thread Sealant Loctite 7471 Henkel CorporationBay Point, CA 94565-0031925-458-8278Thread Sealant Loctite 569

Fuel Cap Conductive Sealant PRC-2200, Class B PRC - DesotoGlendale, CA 91203818-247-7140Promoter, Sealant Adhesion PR182 PINK

Promoter, Sealant Adhesion AC-137 Red 3M CompanyST. Paul, MN 55144888-364-3577

1. For adhesive application at window installation, primer is required to improve adhesion of sealant to acylic bonding flange. Do not apply primer to composite bonding surface.

2. For polythioether adhesive application at porous panel installation, promoter is required to improve adhesion of sealant to porous panel.

3. Acceptable for use on cosmetic window seal.4. Permissible to add basecoat to match aircraft’s exterior color:

1. To each cartridge of sealant, add 10ml of approved basecoat component only.2. Mix sealant until evenly distributed.


Expanded Metal Mesh, Aluminum,0.060 lb-ft² (0.293 kg-m²)Typically used for general EMM repairs.

AL060CX Astroseal ProductsChester, CT 06412860-526-8605

Expanded Metal Mesh, Aluminum,0.028 lb-ft² (0.137 kg-m²)Typically used for ground path between Wing Skin EMM and Fuel Cap Assembly.

AL028CX

Expanded Metal Mesh, Copper,0.029 lb-ft² (0.142 kg-m²)Typically used for ground path between Wing Skin EMM and Fuel Cap Assembly.

CU029 CX31

Expanded Metal Mesh, Aluminum,0.028 lb-ft² (0.137 kg-m²)Typically used for ground path.

7AL(1145)9-078 Dexmet CorporationWallingford, CT 06492203-294-4440

Expanded Metal Mesh, Aluminum,0.060 lb-ft² (0.293 kg-m²)Typically used for ground path.

5AL(1145)15-078



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EFFECTIVITY:

(15) Peel Ply

(16) Release Film

(17) Corrosion Inhibitor

(18) Miscellaneous


Peel Ply, Polyester Sheet 400° F (204° C) Stitch Ply G Airtech International, Inc.Huntington Beach, CA 92647714-899-8100


Release Film, Polyvinyl Chloride (PVC) Film

WL4600WL5200A4000R

Airtech International, Inc.Huntington Beach, CA 92647714-899-8100

D5000 De-Comp Composites, Inc.Cleveland, OK 74020877-609-5088


Corrosion Preventative Compound,General

ACF-50 Lear Chemical ResearchMississauga, ONCanada L5T 1Z2 800-256-2548

LPS 3 LPS LaboratoriesTucker, GA 30085770-934-7800

Corrosion Preventative Compound,Avionics/Electrical

ACF-50 Lear Chemical ResearchMississauga, ONCanada L5T 1Z2 800-256-2548


Barrier Cream SBS 40 DEB SBS, Inc.Stanley, NC 28164704-263-4240

Permanent Marker 0888X Avery DennisonPasadena, CA 91103-3596626-304-2000

Bagging Film BF-250602 Northern FiberglassHampton, NH 03843603-926-1910

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19 Jan 2018

C. Structural Repair Systems

CAUTION: Preparation of the following repair systems can generate excessive amounts of heat when reacted in large volumes and, if not handled properly, can result in an exothermic reaction and self ignition.

(1) Preparation of MGS L418-Based or L285-Based or Hysol EA 9396-Based Structural ResinsMGS L418-Based and/or L285-Based Structural Resins are the primary resin systems used in all composite repairs.

CAUTION: Hysol EA 9396-Based Structural Resins may only be used on the engine com-partment side of the firewall on Serials 22-2420 and subsequent, and 22T-0001 and subsequent.

Bagging Film Breather A-3000-60 Northern FiberglassHampton, NH 03843603-926-1910

Flashbreaker Tape 8951 3M CenterSt. Paul, MN 55144-1000888-364-3577

Copper Tape, Tin Plated 8271-0300-768271-0400-76

Instrument SpecialtiesEuless,TX 76040817-267-2651

Aluminum Tape MIL-T-47014 Any Source

General Purpose Adhesive Cleaner 08984 3M CenterSt. Paul, MN 55144-1000888-364-3577

Resin Repair Components Mix Ratio (By Weight)Calculated Component

Weight

L418 Base ResinH418 Curing Agent

100 parts Base Resin to 40 parts Curing Agent (100:40)

Net Curing Agent Weight = Net Resin Weight × 0.4

L285 Base ResinH287 Curing Agent



Hysol EA 9396 Base ResinHysol EA 9396 Curing Agent



Figure 51-301 Mixing Ratio



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EFFECTIVITY:

(a) Acquire necessary tools, equipment, and supplies.

(b) Zero scale to ensure accurate measurements.(c) Place empty mixing container on scale and record Container Weight.(d) Pour required amount of base resin into mixing container. (See Figure 51-301)(e) Place mixing container with base resin on scale and record Gross Resin Weight.(f) Subtract Container Weight from Gross Resin Weight to determine Net Resin Weight. (g) Determine amount of curing agent required for Net Resin Weight.

Example:

If the mix ratio is 100 parts base resin to 40 parts curing agent (100:40) and repair requires 8.82 oz (250 gm) of resin, amount of curing agent is calculated as follows:


Net Curing Agent Weight = 8.82 oz (250 gm) × 0.4

Net Curing Agent Weight = 3.53 oz (100 gm)

(h) Place empty mixing container on scale and record Container Weight.(i) Add Container Weight and Net Curing Agent Weight together to determine Gross Curing

Agent Weight.(j) With empty mixing container on scale, pour curing agent into mixing container until Gross

Curing Agent Weight is obtained.(k) Mix curing agent and base resin. Stir mixture continuously and mix thoroughly. Mix resin to

uniform appearance with no swirls or color differences. After resin appears uniform, mix for an additional two minutes. Continue to mix until no clouding is visible in the mixing con-tainer.

Description P/N or Spec. Supplier Purpose

L418 Structural Resin System or

(Refer to 51-30) (Refer to 51-30) Laminate repair.

L285 Structural Resin System or


Hysol EA 9396Structural Resin System


Mixing Container Wax Free Any Source Mixing.

Stirrer or Hand-Mixer - Any Source Mixing.

Scale 18605T84 McMaster-CarrAtlanta, GA 30374-0100404-346-7000

Weighing.

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01 Jan 2016

(2) Preparation of MGS L418-Based Structural Paste AdhesiveMGS L418-Based Structural Paste Adhesive is the primary adhesive system used in all compos-ite repairs.


(b) Prepare MGS L418-Based Structural Resin. (Refer to 51-30)(c) From values obtained when mixing structural resin, subtract Container Weight from Gross

Resin Weight to determine Net Resin Weight. (d) Determine structural adhesive mix ratio with fumed silica and microfiller as specified.

Example:

If the mix ratio is 100 parts mixed resin to 5.3 parts fumed silica to 9 parts microfiller (100:5.3:9) and repair requires 8.82 oz (250 gm) of resin, amount of fumed silica and microfiller is calculated as follows:

Net Fumed Silica Weight = Net Resin Weight × 0.053

Net Fumed Silica Weight = 8.82 oz (250 gm) × 0.053

Net Fumed Silica Weight = 0.47 oz (13.25 gm)

Net Resin Weight = Net Resin Weight + Net Fumed Silica Weight

Net Resin Weight = 8.82 oz + 0.47 oz (250 gm + 13.25 gm)

Net Resin Weight = 9.29 oz (263.25 gm)

Net Microfiller Weight = Net Resin Weight × 0.090

Net Microfiller Weight = 9.29 oz (263.25 gm) × 0.090

Net Microfiller Weight = 0.84 oz (23.69 gm)


Fumed Silica (Aerosil 200) (Refer to 51-30) (Refer to 51-30) Resin viscosity.

Microfiller (Sil 32, Sil-Cell) (Refer to 51-30) (Refer to 51-30) Resin viscosity.

Glass Beads (Microbead Class IV, 60+80 sieve size, 9.7 to 6.9 mil)

(Refer to 51-30) (Refer to 51-30) Bondline control.


High Speed Continuous Mixer

- Any Source Mixing.

Sawtooth Mixing Blade2 inch diameter3 inch diameter4 inch diameter

DB2BDB3BDB4B

INDCO, Inc.New Albany, IN 47151(800) 942-9742

Mixing.

Paddle Type Mixing Blade - Any Source Mixing.


Weighing.


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EFFECTIVITY:

Note: Acceptable range for fumed silica is 5.1 to 5.5 parts and for microfiller is 8.8 to 9.2 parts.

(e) Place empty mixing container on scale and record Container Weight.(f) Add Container Weight and Net Fumed Silica Weight together to determine Gross Fumed

Silica Weight.(g) With empty mixing container on scale, pour fumed silica into mixing container until Gross

Fumed Silica Weight is obtained.(h) Add fumed silica to mixing container with mixed resin.

CAUTION: Fumed silica must be mixed at a high rate of speed. Hand mixing is not suf-ficient as it can not provide adequate shear to disperse the material.

Blade tip speed must be 22 to 33 feet per second (7 to 10 meters per sec-ond) for entire duration of mixing cycle. (See Figure 51-302)

Note: Blade to mixing container diameter ratio of 1:2 to 1:3 is recommended. (See Figure 51-302)

(i) Position sawtooth blade 0.5 to 1.0 times blade diameter from bottom of mixing container.

CAUTION: Keep dispersion time to a minimum to prevent excessive temperature build-up. Typical dispersion times are one to two minutes.

(j) Use a tip speed of 22 to 33 feet per second (7 to 10 meters per second) to mix resin with fumed silica between 1500 to 2000 RPM.

(k) Clean off blade and return excess to container.(l) Place empty mixing container on scale and record Container Weight.(m) Add Container Weight and Net Microfiller Weight together to determine Gross Microfiller

Weight.(n) With empty mixing container on scale, pour microfiller into mixing container until Gross

Microfiller Weight is obtained.(o) Add microfiller to mixing container with mixed resin.

CAUTION: Microfiller will be damaged by high shear mixing speed. Mix at low speed only.

Material Mix Ratio (By Weight) Calculated Component Weight

Mixed ResinAerosil (Fumed Silica)Sil-Cell (Microfiller)

100 parts Mixed Resin to 5.3 parts Fumed Silica to9 parts Microfiller(100:5.3:9)

Net Fumed Silica Weight = Net Resin Weight × 0.053Net Microfiller Weight = Net Resin Weight × 0.090

Material Mix Ratio (By Weight)Calculated Component

Weight


100 parts Mixed Resin to 5.3 parts Fumed Silica to9 parts Microfiller(100:5.3:9)

Net Fumed Silica Weight = Net Resin Weight × 0.053Net Microfiller Weight = Net Resin Weight × 0.090

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01 Jan 2016

Material will adhere to the container sidewalls; scrape the inside of the con-tainer several times to ensure all material is mixed. If the material is not properly mixed, the resin will not obtain full strength.

(p) Use paddle-type mixing blade to slowly fold microfiller into mixed resin. (q) Mix until material is uniform in texture.(r) From values obtained when adding fumed silica and microfiller, subtract Container Weight

from Gross Resin Weight to determine Net Resin Weight. (s) Determine structural adhesive mix ratio with glass beads as specified.

Example:

If the mix ratio is 100 parts mixed adhesive to 2 parts mixed glass beads (100:2) and repair requires 8.82 oz (250 gm) of adhesive, amount of glass beads is calculated as fol-lows:

Net Glass Beads Weight = Net Resin Weight × 0.02

Net Glass Beads Weight = 8.82 oz (250 gm) × 0.02

Net Glass Beads Weight = 0.18 oz (5.00 gm)

Note: Acceptable range for glass beads is 1.5 to 2.5 parts.

(t) Place empty mixing container on scale and record Container Weight.(u) Add Container Weight and Net Glass Beads Weight together to determine Gross Glass

Beads Weight.(v) With empty mixing container on scale, pour glass beads into mixing container until Gross

Glass Beads Weight is obtained.(w) Add glass beads to mixing container with mixed resin.

CAUTION: Avoid entrapping air during the mixing process.

Glass beads will be damaged by high shear mixing speed. Mix at low speed only.

(x) Use paddle-type mixing blade to slowly fold glass beads into mixed resin.(y) Mix until material is uniform in texture.

Material Mix Ratio (By Weight)Calculated Component

Weight

Mixed ResinGlass Beads

100 parts Mixed Resin to 2 parts Glass Beads(100:2)

Net Glass Beads Weight = Net Resin Weight × 0.02


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EFFECTIVITY:

Note: Recommended blade tip speed of 22 - 33 feet per second (7 - 10 meters per second) shown in shaded regions.

Mixing Speed (RPM)

1000 1500 2000 2500 3000 3500 4000B

lade

Dia

met

er (

inch

)

1.5

Bla

de T

ip S

peed

(fe

et p

er s

econ

d) 7 10 13 16 20 23 26

2.0 9 13 17 22 26 31 35

2.5 11 16 22 27 33 38 44

3.0 13 20 26 33 39 46 52

3.5 15 23 31 38 46 53 61

4.0 17 26 35 44 52 61 70

4.5 20 29 39 49 59 69 79

5.0 22 33 44 55 65 76 87

Figure 51-302Blade Diameter and Mixing Speed Guide for MGS L418-Based Structural Adhesive

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01 Jan 2016

(3) Preparation of PTM&W ES6292-Based or Hysol EA 9395-Based Structural Paste Adhesive

CAUTION: Hysol EA 9395-Based Structural Paste Adhesive may only be used on the engine compartment side of the firewall on Serials 22-2420 and subsequent, and 22T-0001 and subsequent.


(b) Zero scale to ensure accurate measurements.(c) Place empty mixing container on scale and record Container Weight.(d) Pour required amount of base resin into mixing container. (See Figure 51-303)(e) Place mixing container with base resin on scale and record Gross Resin Weight.(f) Subtract Container Weight from Gross Resin Weight to determine Net Resin Weight. (g) Determine amount of curing agent required for Net Resin Weight.

Example:

If the mix ratio is 100 parts base resin to 31.5 parts curing agent (100:31.5) and repair requires 8.82 oz (250 gm) of resin, amount of curing agent is calculated as follows:


Net Curing Agent Weight = 8.82 oz (250 gm) × 0.315

Net Curing Agent Weight = 2.78 oz (78.75 gm)


Weight

ES6292-A (Base Resin)ES6292-B w/ Beads (Curing Agent)

100 parts Base Resin to 31.5 parts Curing Agent(100:31.5)


Hysol EA 9395 Base ResinHysol EA 9395 Curing Agent



Figure 51-303 Mixing Ratio


PTM&W ES6292-Based Structural Paste Adhesive

(Refer to 51-30) (Refer to 51-30) Base resin system.

Structural High Tempera-ture Paste Adhesive: Hysol EA 9395-Based

(Refer to 51-30) (Refer to 51-30) Base resin system.



Scale 18605T841

1. or equivalent

McMaster-CarrAtlanta, GA 30374-0100404-346-7000

Weighing.


51-30All

EFFECTIVITY:

Note: Acceptable range for curing agent is 31 to 32 parts.

(h) Place empty mixing container on scale and record Container Weight.(i) Add Container Weight and Net Curing Agent Weight together to determine Gross Curing

Agent Weight.(j) With empty mixing container on scale, pour curing agent into mixing container until Gross

Curing Agent Weight is obtained.

CAUTION: Material may be manually mixed using a flat edged mixing utensil, a low speed drill with impeller blade, a slow speed stand mixer, or similar. Use of a high speed drill and shearing blade are not allowed. Glass beads in curing agent will be damaged by high shear mixing speed.

Material will adhere to the container sidewalls; scrape the inside of the con-tainer several times to ensure all material is mixed. If the material is not properly mixed, the resin will not obtain full strength.

(k) Mix curing agent and base resin. Stir mixture continuously and mix thoroughly. Mix resin to uniform appearance with no swirls or color differences. After resin appears uniform, mix for an additional two minutes.

(l) “Double cup” or pour/scrape adhesive from one container to another container to ensure adhesive is fully mixed.

(m) To prevent moisture and carbon dioxide contamination, air in the head space of storage containers must be replaced with inert nitrogen gas. It is recommended that a nitrogen purge be conducted on 5 gallon containers each time material is dispensed, and from the smaller containers upon filling. Perform the following steps prior to returning PTM&W ES6292-Based Repair System to storage:1 Using compressed nitrogen, any grade, set pressure regulator at 10 psi or less.2 Open lid of container slightly and place hose, or similar, inside container. Dispense

enough nitrogen to replace all the air in the head space. Remove hose and immedi-ately place lid on container.

3 Store materials in accordance with the manufacturer’s instructions.(n) Create inspection sample.

All repairs using PTM&W ES6292-Based Structural Adhesive must create a post cure inspection sample to ensure the adhesive was properly mixed.

1 Place sample of resin into a container (small shallow dish or paper).2 Verify sample is approximately 0.5 inch (1.27 cm) thick and 2.0 inches (5.0 cm) in

diameter.3 Cure sample with repair.4 Remove inspection sample from container.5 Place inspection sample on hard, clean surface suitable for breaking with chisel.

CAUTION: Avoid shattering inspection sample into small fragments. Gently tap sample with chisel and hammer to produce a clean fracture.

6 Use hammer and chisel to break inspection sample.7 Verify cross-sectional fragments are homogenous. If dark or swirling colors are

present in the sample, the resin was not mixed properly. Contact Cirrus Design for disposition.

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D. Non-Structural Repair Systems

CAUTION: Preparation of the following repair system can generate excessive amounts of heat when reacted in large volumes and, if not handled properly, can result in an exothermic reaction and self ignition.

(1) Preparation of Non-Structural ResinNon-structural resin is used to repair areas of damaged plies in non-structural components, such as the cabin doors, wheel fairings, or cowling. It is also used specifically to seal laminate in the fuel bay walls and install EMM and in the preparation of filler paste.


(b) Zero scale to ensure accurate measurements.(c) Place empty mixing container on scale and record Container Weight.(d) Pour required amount of base resin into mixing container. (e) Place mixing container with base resin on scale and record Gross Resin Weight.(f) Subtract Container Weight from Gross Resin Weight to determine Net Resin Weight. (g) Determine amount of additional component(s) required for Net Resin Weight.

Example:

If the mix ratio is 100 parts base resin to 11 parts modifier to 16 parts curing agent (100:11:16) and repair requires 8.82 oz (250 gm) of resin, amount of modifier and curing agent is calculated as follows:

Net Modifier Weight = Net Resin Weight × 0.11

Net Modifier Weight = 8.82 oz (250 gm) × 0.11

Net Modifier Weight = 0.97 oz (27.5 gm)

Net Resin Weight = Net Resin Weight + Net Modifier Weight

Net Resin Weight = 8.82 oz + 0.97 oz (250 gm + 27.5 gm)

Net Resin Weight = 9.79 oz (277.5 gm)


Net Curing Agent Weight = 9.79 oz (277.5 gm) × 0.16

Net Curing Agent Weight = 1.57 oz (44.4 gm)


Non-Structural Resin (Refer to 51-30) (Refer to 51-30) Laminate repair.




Weighing.


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WARNING: For Derakane-Based Repair System, the modifier must always be added to the resin before the addition of any curing agent. Do not mix the modifier directly into the curing agent, as a violent chemical reac-tion will occur.

(h) For repair systems using modifiers, perform the following steps:1 Place empty mixing container on scale. Record Container Weight.2 Add Container Weight and Net Modifier Weight together to determine Gross Modi-

fier Weight.3 With mixing container on scale, pour modifier into mixing container until Gross Mod-

ifier Weight is obtained.4 Mix modifier and resin. Stir mixture continuously and mix thoroughly. Mix resin to

uniform appearance with no swirls or color differences. After resin appears uniform, mix for an additional two minutes. Continue to mix until no clouding is visible in the mixing container.

(i) Place empty mixing container on scale. Record Container Weight.(j) Add Container Weight and Net Curing Agent Weight together to determine Gross Curing

Agent Weight.(k) With mixing container on scale, pour curing agent into mixing container until Gross Curing

Agent Weight is obtained.(l) Mix curing agent and resin. Stir mixture continuously and mix thoroughly. Mix resin to uni-

form appearance with no swirls or color differences. After resin appears uniform, mix for an additional two minutes. Continue to mix until no clouding is visible in the mixing con-tainer.

(2) Preparation of Filler PasteEpon 862-based filler paste may be used to fill dents, gouges, or other voids left in the core or laminate material after surface preparation and for EMM installation. While the cure time is shorter than MGS L418 and L285-Based Filler Paste, for structural repairs, because Epon 862-


Weight

Epon 862 (Base Resin)Epicure 3234 (Curing Agent)

100 parts Base Resin to 14.25 parts Curing Agent (100:14.25)


Epon 862 (Base Resin)Heloxy 68 (Modifier)Epicure 3234 (Curing Agent)

100 parts Base Resin to 11 parts Modifier to 16 parts Curing Agent (100:11:16)

Net Modifier Weight = Net Resin Weight × 0.11Net Curing Agent Weight = (Net Resin Weight + Net Modifier Weight) × 0.16

Derakane 470-36 (Base Resin)Cobalt Napthenate 6% (Modifier)Luperox CU90 (Curing Agent)

100 parts Base Resin to 0.2 part Modifier to 1 part Curing Agent (100:0.2:1)

Net Modifier Weight = Net Resin Weight × 0.002Net Curing Agent Weight = (Net Resin Weight + Net Modifier Weight) × 0.01

PR2032 (Base Resin)PH3630 (Curing Agent)PH3660 (Curing Agent)PH3665 (Curing Agent)



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based filler paste uses a different base resin as the structural adhesive, the repair surface must be fully cured before continuing on with the lamination process. However, this may be consid-ered an advantage when replacing foam core in complex shaped areas as the total time required for the necessary cure, surface preparation, and lay-up will be shorter.

MGS L418 and L285-based filler paste is used to fill dents, gouges, or other voids left in the core or laminate material after surface preparation. Because MGS L418 and L285-based filler paste uses the same base resin as the structural adhesive, surface irregularities may be filled without curing the repair surface prior to the lamination process as would be required if using the Epon 862-based filler paste.

Note: This procedure shall not be used to mix filler paste in a quantity larger than 11 oz (300 gm) of non-structural resin.


(b) Prepare applicable structural or non-structural resin. (Refer to 51-30)(c) Add fillers to achieve desired consistency as specified in table below.(d) Mix until material is uniform in texture.

(3) Preparation of Liquid ShimLiquid shim is a non-structural repair used to fill gaps (shim) between two component such as found on the lower landing gear attach bracket installation.

Note: This procedure shall not be used to mix filler paste in a quantity larger than 11 oz (300 gm) of non-structural resin.



Structural or Non-struc-tural Resin

(Refer to 51-30) (Refer to 51-30) Base resin.

Fumed Silica (Aerosil 200) (Refer to 51-30) (Refer to 51-30) Resin viscosity.




Material Mix Ratio (By Volume)


1 part Mixed Resin to 0 - 3 parts Fumed Silica to0 - 0.5 parts Microfiller


Non-structural Resin (Refer to 51-30) (Refer to 51-30) Base resin.




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(b) Prepare applicable non-structural resin. (Refer to 51-30)(c) Add Aerosil to achieve consistency of petroleum jelly as specified in table below.(d) Mix until material is uniform in texture.


Material Mix Ratio (By Volume)

Mixed ResinAerosil (Fumed Silica)

1 part Mixed Resin to 0 - 3 parts Fumed Silica


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E. Flight Control Surfaces

(1) Flight Control SurfacesThe flight control surfaces are manufactured using 6061-T6 aluminum sheet metal. Refer to Sec-tion 70, Standard Repairs for specific repair criteria before performing maintenance on flight con-trol surfaces. (Refer to 51-70)

CAUTION: Blind rivets shall not be substituted for solid rivets for any hinge, fitting, torque tube, mass balance support, or bellcrank attachment. Contact Cirrus Design for disposition prior to performing repairs to these components. (Refer to AMM-Intro-00)

• Mechanically locking blind rivets may be substituted for solid rivets for skin-to-spar flange and skin-to-rib flange joints only.

• Mechanically locking blind rivets may be used for skin repairs within the fastener pattern of an existing rib-to-spar skin bay.

• Replacement or repair fasteners must not result in a knife-edge countersink condition.

• If oversize fasteners are required, universal head fasteners must be used.

The following blind rivets may be substituted for solid rivets except for hinge, fitting, torque tube, mass balance support, or bellcrank attachment repairs:

Blind Rivet P/N Equivalent Solid Rivet P/N

NAS9303B-4-()CR3214-4-()

NAS1097AD4

NAS9301B-4-()CR3213-4-()

MS20470AD4

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