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C I R R U S
C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S
1. GENERAL
The airplane is equipped with a Cirrus Airplane Parachute System (CAPS) designed to bring the aircraft
and its occupants to the ground in the event of a life-threatening emergency. Procedures and parts listed in
this manual reflect Cirrus Design SR20 airplane serial numbers 1195 & subs, and all prior airplanes incor-
porating Service Bulletin SB 20-95-05.
A. Personnel Qualifications and Safety
CAUTION:
Airframe and Powerplant license is not sufficient credentials for performing maintenance
on CAPS.
The Cirrus Airplane Parachute System can only be serviced by trained technicians at Cirrus Autho-
rized Service Centers specifically approved for CAPS maintenance. Cirrus Authorized Service Centers
approved for the overhaul of CAPS Parachute and Rocket Motors must have the appropriate Bureau
of Alcohol, Tobacco, Firearms and Explosives (ATF) licensing and hazardous material shipping autho-
rizations in accordance with all applicable country, federal, and state regulations, and local laws and
ordinances. It is essential that the procedures outlined in this publication be carefully followed and that
all tasks be conducted with the highest possible degree of workmanship.
Materials used in the maintenance of the Cirrus Airplane Parachute System are potentially dangerous.
Prior to performing CAPS maintenance the following Health and Safety Information, Safety Equipment
and First Aid Procedures must be reviewed:
(1)

Health and Safety Information

(a)
Prior to maintenance the Material Safety Data Sheets must be read.
(b)
Explosives used in this system are dangerous and must be handled carefully and used fol-
lowing approved safety procedures in accordance with this publication and all applicable
country, federal, and state regulations, and local laws and ordinances.
(c)
Rocket motors and reefing line cutters may cause a number of health hazards due to
improper handing or inadvertent functioning. These include burns, explosion, irritant in the
case of skin and eye contact, and may be extremely hazardous in the case of accidental
ingestion to kidneys, lungs and the nervous system.
(d)
Do not eat, drink, or smoke while performing maintenance on CAPS. Wash hands thor-
oughly after task completion.
(e)
For Health and Safety information applicable to the repair of composite structures, refer to
Chapter 51-00 of the Airplane Maintenance Manual.
(2)

First Aid Procedures

(a)
Eye Contact: For contact with solid propellant or combustion gases, flush eyes with large
amounts of water and call physician immediately.
(b)
Skin Contact: For contact with solid propellant or combustion gases, wash with plenty of
soap and running water. Remove contaminated clothing and wash before re use. Discard
shoes if contaminated. See physician if skin shows signs of irritation.
(c)
Ingestion of Solid Propellent: Do not give liquids if victim is unconscious or drowsy. Other-
wise, give no more than 2 glasses of water and induce vomiting by giving 30cc 'Syrup of
Ipecac'. Get medical attention immediately.
(d)
Inhalation: If combustion gases are inhaled, remove victim to fresh air. If breathing is diffi-
cult, administer oxygen and CPR if needed. Call physician immediately
(e)
For First Aid Procedures applicable to the repair of composite structures, refer to Chapter
51-00 of the Airplane Maintenance Manual.
EFFECTIVITY:
All
MAINTENANCE GUIDE
(Refer to AMM 51-00)
M O D E L S R 2 0
(Refer to AMM 51-00)
95-01-01
01 Feb 2013
Page 1

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Summary of Contents for Cirrus SR20

  • Page 1 Procedures and parts listed in this manual reflect Cirrus Design SR20 airplane serial numbers 1195 & subs, and all prior airplanes incor- porating Service Bulletin SB 20-95-05.
  • Page 2 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 B.
  • Page 3 M O D E L S R 2 0 C. Approved Parts and Materials Cirrus and/or Cirrus-approved parts and materials shall only be used in the maintenance of this sys- tem. Life limited parts shall not have less than the time/cycles remaining on the removed part and have sufficient time/cycles remaining to reach the scheduled overhaul.
  • Page 4 M O D E L S R 2 0 2. DESCRIPTION AND OPERATION The Cirrus Airplane Parachute System consists of a parachute, a solid-propellant rocket to deploy the parachute, a rocket activation system, and a harness faired into the fuselage structure.
  • Page 5 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 ACTIVATION SYSTEM ROCKET ASSEMBLY...
  • Page 6 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 A.
  • Page 7 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 C.
  • Page 8 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 HANDLE BEARING HANDLE HOLDER...
  • Page 9 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 ROCKET ROCKET ROCKET IGNITER...
  • Page 10 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 D.
  • Page 11 BRIDLE CAPS ENCLOSURE PARACHUTE LINE CUTTER ASSEMBLY SMALL LINK ROCKET MOTOR MEDIUM LINK LARGE LINK ACTUATION CABLE CIRRUS AIRFRAME PARACHUTE SYSTEM NOTE Aft harness assembly deployed. PARACHUTE RISER SUSPENSION LINE STOW FLAPS OUTER FLAPS CURVED RELEASE PINS SUSPENSION LINE STOWS...
  • Page 12 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 E.
  • Page 13 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 VENT VENT BANDS LATERAL BANDS...
  • Page 14 Removal - Pyrotechnic Line Cutters Acquire necessary tools, equipment, and supplies. Description P/N or Spec. Supplier Purpose Pyrotechnic Line Cutter Reference Cirrus Design Replacement. Replacement Kit w/ Parts List Braided Cord Vise Clamp Any Source Secure line cutter. Leather Work Gloves Any Source Protection.
  • Page 15 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 A heat-resistant braided cord is threaded through new line cutters to provide safety during transport.
  • Page 16 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Cross upper cord end (end looped around mini-ring) over lower cord end twice.
  • Page 17 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 MINI-RING SMALL LINK NYLON CORD...
  • Page 18 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BREAK THREAD 1.0 inch...
  • Page 19 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 CUTTER HOLE (REF) IGNITION...
  • Page 20 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 B.
  • Page 21 M O D E L S R 2 0 Installation - Empennage Cover Acquire necessary tools, equipment, and supplies. Description P/N or Spec. Supplier Purpose Empennage Cover Reference Cirrus Design Parts List Warning Placard Reference Cirrus Design Provide warning Parts List information. ScotchBrite Conditioning...
  • Page 22 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Using die grinder and sanding disc, remove approximately 70% of remnant adhesive from fuselage flange, and abrade flange surface for adhesive application.
  • Page 23 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Zero scale.
  • Page 24 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 CAUTION: Ensure aft window is properly protected during heat application.
  • Page 25 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 SLIDE HAMMER (REF) ANVIL...
  • Page 26 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 0.50 inch (1.27 cm) MIN 0.50 inch (1.27 cm) MIN CAPS...
  • Page 27 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 C.
  • Page 28 Activation cable should easily separate from the cone assembly allowing removal from the aircraft. If interference between acti- vation cable and firing pin actuator exists, contact Cirrus Design for disposition. Serials 1886 & subs w/ Aircraft Data Logger: Remove cable ties securing wire harness to anchor blocks on rocket shield.
  • Page 29 Activation cable and cone adapter should easily separate from the rocket cone allowing removal from the aircraft. If interfer- ence between activation cable and firing pin actuator exists, contact Cirrus Design for disposition. Remove rocket assembly from airplane. Disassembly - Rocket Assembly...
  • Page 30 Cirrus technical support for disposition. Assembly - Rocket Motor WARNING: This procedure is hazardous and may only be accomplished by a Cirrus cer- tified technician specifically trained and certified in rocket motor assembly. Acquire necessary tools, equipment, and supplies.
  • Page 31 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Description P/N or Spec.
  • Page 32 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Inspect countersunk screws removed previously from pick-up collar for dam- age.
  • Page 33 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Carefully twist rocket motor case right and left while pushing down to engage rocket motor case onto rocket nozzle bulkhead and o-rings.
  • Page 34 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 LEGEND 1 .
  • Page 35 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Ø...
  • Page 36 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 WORKBENCH STRAP WRENCH...
  • Page 37 SB2X-95-17, 1423 & subs w/o Perspective after SB2X- 95-18, 2228 & subs: Torque Wrench Adapter, 3/4” Serials 1005 thru 1267 after T11849 Cirrus Design Install igniter. SB2X-95-20, 1268 thru 1422 after SB2X-95-17, 1423 & subs w/o Perspective after SB2X- 95-18, 2228 & subs: Spanner Wrench Adapter Inspect rocket assembly and attaching parts.
  • Page 38 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Description P/N or Spec.
  • Page 39 Ensure the exact stackup of the attaching hardware, noted during disassembly, is replicated during reassembly. Acquire necessary tools, equipment, and supplies. Description P/N or Spec. Supplier Purpose Rocket Assembly Reference Parts List Cirrus Design Threadlocker, Light Loctite 222 Any Source Bond screws. Threadlocker, Medium Loctite 242 Any Source Bond screws.
  • Page 40 CAUTION: If anchor blocks require re-alignment, after adjustment, inspect anchor block security. If anchor blocks are loose, contact Cirrus Design for disposi- tion. Apply medium threadlocker to aluminum tension screws. CAUTION: Do not overtighten aluminum tension screws.
  • Page 41 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 WARNING: Position frangible link such that perforated break line is on end closest to rocket.
  • Page 42 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Apply light threadlocker to screws used to secure rocket cone to rocket igniter.
  • Page 43 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Insert cable loop into firing pin actuator slot on rocket igniter and using a magnetized screwdriver, install screw and washer to firing pin actuator slot.
  • Page 44 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Serials 1268 thru 1422 after SB2X-95-17, Serials 1423 &...
  • Page 45 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BH 222 (REF) 0.40 inch...
  • Page 46 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 RETAINING GROOVE (REF) RETAINING GROOVE...
  • Page 47 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BH 222 (REF) 0.13 inch...
  • Page 48 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 NOTE Position rocket lanyard around top outer diameter of pick-up collar support, NOT over top of the rocket.
  • Page 49 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BH 222 (REF) CAPS COMPARTMENT...
  • Page 50 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 RETAINING GROOVE (REF) RETAINING GROOVE...
  • Page 51 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BH 222 (REF) CAPS COMPARTMENT...
  • Page 52 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 RETAINING GROOVE (REF) RETAINING GROOVE...
  • Page 53 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BH 222 (REF) CAPS COMPARTMENT...
  • Page 54 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 NOTE Position rocket lanyard around top outer diameter of pick-up collar support, NOT over top of the rocket.
  • Page 55 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 TR1453 TR1455 (POSITIVE)
  • Page 56 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 TR1453 TR1455 (POSITIVE)
  • Page 57 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 TR1456 TR1454 (NEGATIVE)
  • Page 58 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 TR1456 TR1455 (NEGATIVE)
  • Page 59 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Serials 1005 thru 1267 before SB2X-95-20, 1268 thru 1422 before SB2X-95-17, 1423 &...
  • Page 60 Tie off three-link release assembly to maintain correct stackup. Identify removed parachute assembly as follows: "Pending Cirrus Design Disposition: Removed from SR20 - ASN#### Date: mm/dd/yyyy" where “####” specifies aircraft serial number, and “mm/dd/yyyy” specifies date of para- chute assembly removal.
  • Page 61 P/N or Spec. Supplier Purpose Parachute Assembly Reference Parts List Cirrus Design CAUTION: Do not attempt to lift or carry parachute assembly by rear harness or rocket lanyards. For lifting, use 1-inch wide retaining strap handles sewn to top of parachute assembly.
  • Page 62 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 CAUTION: Ensure forward harness is not twisted before attaching to three-point shackle.
  • Page 63 Remove activation cable from airplane. Installation - Activation Handle and Cable Assembly Acquire necessary tools, equipment, and supplies. Description P/N or Spec. Supplier Purpose Activation Handle and Reference Cirrus Design CAPS Cable Assembly Parts List Activation. 95-01-01 EFFECTIVITY: Page 63 4 May 2015...
  • Page 64 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Description P/N or Spec.
  • Page 65 Re-check activation cable. If power unit reads red a second time, contact Cirrus Design for disposition. Otherwise, remove test fixture from airplane. Serials 1005 thru 1422: Position adapter plate to test fixture and secure with knurled nuts.
  • Page 66 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 ROLL CAGE (REF) 1.50 inches...
  • Page 67 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BULKHEAD 222 (REF) LEGEND 1.
  • Page 68 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 BULKHEAD 222 (REF) LEGEND 1.
  • Page 69 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 ACTIVATION HANDLE (REF) LEGEND 7.
  • Page 70 C I R R U S C O M P O N E N T M A I N T E N A N C E M A N U A L - C A P S M O D E L S R 2 0 Intentionally Left Blank 95-01-01 EFFECTIVITY:...

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