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1-26 Maintenance Documentation

Last updated 09/11/07

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The 1-26 Association has reproduced these Airworthiness Directives in an electronic form for informational purposes only. The 1-26 Association assumes no responibility for accuracy or completeness of content.

Airworthiness Directives

Airworthiness Directive No. 87-02-01
Subject: Inspect tow-release installation - Applies to models (including kit built) SGU 1-7; SGS 2-8 (TG-2); SGS 2-12 (TG-3); SGU 1-19; SGU 1-20; SGU 1-21; SGU 2-22, 2-22A, 2-22C, 2-22CK, 2-22E, 2-22EK; SGS 1-23, 1-23B, 1-23C, 1-23D, 1-23E, 1-23F, 1-23G, 1-23H, 1-23H15; SGS 1-24; SGS 1-26, 1-26A, 1-26B, 1-26C, 1-26D, 1-26E; SGS 2-32; SGS 2-33, 2-33A, 2-33AK; SGS 1-34, 1-34R; SGS 1-35C; SGS 1-36 (SPRITE) gliders, certificated in any category. (Effective 21 Jan. 1987)

Airworthiness Directive No. 87-17-01
Subject: Tow-release installation - Applies to models (including kit built) SGU 1-7; SGS 2-8 (TG-2); SGS 2-12 (TG-3); SGU 1-19; SGU 1-20; SGU 1-21; SGU 2-22, 2-22A, 2-22C, 2-22CK, 2-22E, 2-22EK; SGS 1-23, 1-23B, 1-23C, 1-23D, 1-23E, 1-23F, 1-23G, 1-23H, 1-23H15; SGS 1-24; SGS 1-26, 1-26A, 1-26B, 1-26C, 1-26D, 1-26E; SGS 2-32; SGS 2-33, 2-33A, 2-33AK; SGS 1-34, 1-34R; SGS 1-35C; SGS 1-36 (SPRITE) gliders, certificated in any category. (Effective 18 Aug. 1987)

These Service Bulletins and Service Letters have been provided by The Schweizer Aircaft Corporation. The 1-26 Association has reproduced these documents in an electronic form with the permission of The Schweizer Aircaft Corporation for informational purposes only. The 1-26 Association assumes no responibility for accuracy or completeness of content.

Publication Index For Schweizer Sailplanes SSP-I-1
Subject: Index of all Schweizer Aircraft - Sailplane Publications (12 Jan 1998)

Service Bulletins

Service Bulletin No. 102-26-1
Subject: Tow Release Mechanism Springs - SGS 1-26, A, B, C (Not Dated).

Service Bulletin No. 102-26-2
Subject: 1-26 Wheel Assembly - SGS 1-26 A, B, C (Not Dated).

Service Bulletin No. 102-26-3
Subject: Elevator Rod Assembly - SGS 1-26 A, B, C (03 Jan 1958).

Service Bulletin No. 102-26-4
Subject: Seat Back - SGS 1-26 (17 Aug 1962).

Service Bulletin No. 102-26-5
Subject: Forward Control Tube Bearing Bracket - SGS 1-26 A, B, C (20 Aug 1965).

Service Bulletin No. 102-26-6
Subject: Rudder Cable Fairlead Bracket - SGS 1-26 D, Serial Numbers 404 through 409 (30 Dec 1968).

Service Bulletin No. 102-26-7
Subject: Rudder Hinge, Lower, Attachment to Fin - SGS 1-26 B aand C, Serial Numbers 289 through 399 which have Sweptback Verticle Tail Surfaces - SGS 1-26 D, Serial Numbers 400 through 475; SGS 2-33 and 2-33A, Serial Numbers 1 through 196 (11 Feb 1971).

Service Bulletin No. 102-26-8
Subject: Inspection of Control Stick Pivot Bolt - SGS 1-26 D , Serial Numbers 400 through 481 - SGS 1-26 E, Serial Numbers 500 through 642 (18 Dec 1975).

Service Bulletin No. SA-001.4
Subject: Supersedes Service Bulletin SA-001.3 dated 31 Jan 1988.
Inspection of Tow Release Assembly - SGU 1-7; SGS 2-8 (TG-2); SGS 2-12 (TG-3); SGU 1-29; SGU 1-20; SGU 1-21; SGU 2-22, A, C, CK, E, 2EK; SGS 1-23, B, C, D, E, F, G, H, H15; SGS 1-24; SGS 1-26, A, B, C, D, E; SGS 2-32; SGS 2-33, A, AK; SGS 1-34, R; SGS 1-35C; SGS 1-36 (29 Sep 1998)..

Service Bulletin No. SA-003
Subject: Aerobatics in Schweizer Sailplanes - SGU 1-7; SGS 2-8 (TG-2); SGS 2-12 (TG-3); SGU 1-29; SGU 1-20; SGU 1-21; SGU 2-22, A, C, CK, E, 2EK; SGS 1-23, B, C, D, E, F, G, H, H15; SGS 1-24; SGS 1-26, A, B, C, D, E; SGS 2-32; SGS 2-33, A, AK; SGS 1-34, R; SGS 1-35C; SGS 1-36 (25 Mar 1987).

Service Bulletin No. SA-004
Subject: Inspection of Elevator Push Rod - SGS 1-26, A, B, C, D, E, Equiped with a 26B-123-1A Push Rod Assembly (16 Jun 1987).

Service Bulletin No. SA-005.1
Subject: Supersedes Service Bulletin SA-005 dated 01 Jun 1987.
Identification and Possible Replacement of Tow Release Arm - SGU 1-7; SGS 2-8 (TG-2); SGS 2-12 (TG-3); SGU 1-29; SGU 1-20; SGU 1-21; SGU 2-22, A, C, CK, E, 2EK; SGS 1-23, B, C, D, E, F, G, H, H15; SGS 1-24; SGS 1-26, A, B, C, D, E; SGS 2-32; SGS 2-33, A, AK; SGS 1-34, R; SGS 1-35C; SGS 1-36 (31 Jan 1988).

Service Bulletin No. SA-006
Subject: Installation of Seat Adjustment Bracket - SGS 1-26D, E, (01 Mar 1989).

Service Letters

Service Letter No. SL-102-3
Subject: Fire Potential of Fabric Covered Aircraft - SGU 2-22 (all); SGS 1-26, A, B, C; SGS 2-33 (all) (15 Jan 1968).

Service Letter No. SL-001
Subject: Annual Disassembly of Aircraft - All Models SGS 1-23; SGS 1-26; SGS 2-32; SGS 1-34 (01 Jun 1987).

Engineering Change Orders

Engineering Change Order - Aileron Bellcrank Installation
Subject: This E.C.O covers the installation of bushings to the aileron bellcranks in the 2-22. Schweizer engineering has also approveed this repair for all 1-26 model aileron bellcranks.(11 Sept 1984)

Miscellaneous

1-26 Models A thru E, Flight - Erection - Maintenance Manual
(1.5 MB with all the images included!).

1-26 Models A thru E, Weight and Balance Procedures

The first page of this document was retyped since the orignal was badly water damaged. I did he best I could to decypher the information.

1-26 Models A thru E Type Certification. (September 5, 2007)

Main Wing Pin Attachment Drawing - 26B441

Brake Shoe Assembly Drawing - 26221D

SUMMARY OF FEDERAL AVIATION ADMINISTRATION SUPPLEMENTAL TYPE CERTIFICATES

August 1996

Aircraft Section

SCHWEIZER AIRCRAFT CORPORATION Part 1
AIRCRAFT MAKE
MODEL & T.C. NO.		 STC NO. DESCRIPTION ACO STC HOLDER
SGS 1-26 Series;
T.C. 1G10		 SG4WE Ceconite 101 covering of complete aircraft. WE Cooper Engineering Co.
P.O. Box 3428
Van Nuys, CA 91408
SGS-1-26A, C,
SGS-1-34, SGS-2-32,
SGS2-8, SGS2-33,
SGU-2-22, SGU-2-22E,
SGU-1-19,-19A,
T.C. 1G10, GTC
G-18, G-17, G3EA,
G1EA, G2EA, GTC 5		 SA1008WE Installation of Poly-Fiber covering material.
Reissued 10/6/92.		 NM-L Poly-Fiber, Inc.
4320 Rubidoux Blvd.
Riverside, CA 92519
SGS 2-8A; SGS-126, -A, -C;
SGU2-22CK, -22E; SGU1-19;
T.C. GTC 5, G-18,
G-17, 1G10		 SG10WE Replace existing fabric on wings, fuselage, empennage,
and/or control surfaces with Ceconite 103 material.
Amended 8/19/83.		 NM Ceconite, Inc.
3815 Medford Street
Los Angeles, CA 90063
SGS 2-8A; TG-3A,
SGU-1-19;
SGS-1-26,
-26A, -26B, -26C;
SGU 2-22, -22A,
-22B, -22C, -22CK,
-22E, -22EK,
GTC 5, 17,
T.C. 1G10,
GTC 18		 SA1351WE Replace existing fabric on complete glider with
Ceconite 101 material.
Amended 8/19/83.		 NM Ceconite, Inc.
3815 Medford Street
Los Angeles, CA 90063
SGS 2-8A, TG-3A,
SGU-1-19,
SGS 1-26,
-26A, -26B, -26C,
SGU 2-22, -22A,
-22B, -22C, -22CK,
-22E, -22EK;
GTC 5, 17, 18,
T.C. 1G10, 2 -11		 SA2666WE Ceconite 102 material covering of: 1-26, -26A, -26B
SGU 2-22 series - complete glider; SGS 2-8A, TG-3A
complete glider; SGS 1-26C - control surfaces.
Amended 8/19/83.		 NM Ceconite, Inc.
3815 Medford Street
Los Angeles, CA 90063
SGU-1-19, -19A,
SGU2-22, -22A,
-22B, -22C, -22XK,
22E, 22EK; 1-26,
-26A, -26C, -26C,
-26D, -26E,
SGS 2-32, 2-33,
-33A, -33AK, G-164,
G-164A,
T.C. G-17, G-18,
1G10, G1EA, G2EA		 SA7965SW Application of fabric and polyurethane finishing system.
Amended 4/7/94.		 SW Air Tech Coatings, Inc.
2300 Redmond Road
Jacksonville, AR 72076
SGS1-26, -26A,
B, C, SGS2-8, -8A,
SGU-1-19, -1-19A,
SGU-2-22, -22A,
-22B, -22C, -22CK,
-22E, -22KK;
T.C. GTC 1G10,
GTC 5, GTC G-17,
GTC G -18		 SG41240 Installation of Eonnex cover on aircraft surfaces.
Reissued 8/19/80.		 WE Ceconite, Inc.
4677 Worth Street
Los Angeles, CA 90063
SGS1-26, 1-26A,
1-26B, 1-26C,
1-26D, 1-26E;
T.C. 1G10		 SG1265GL Install Cooper Super-flite 102 fabric.
Issued 1/22/88.		 CE-C Cooper Aviation Supply Company, Inc.
2149 E. Pratt Blvd.
Elk Grove Village, IL 60007