Page 154 - Piper PA-20 Interactive Digital Parts Catalog

BRAKE INSTALLATION, MASTER SECTION VIII
MODEL PA-20 Brake Installation Group

Figure Model
& Index Part Number Code Nomenclature # Req. PA-20 PA-22
Number ‘50 ‘51 ‘52 ‘53 ‘54 ‘51 ‘52 ‘53 ‘54 Price
45- 12546 DRAWING – Brake installation, standard x NM!
13057 DRAWING – Brake installation, standard x x NM!
13933 DRAWING – Brake installation, standard x NM!
12557 DRAWING – Brake installation, dual x x x x NM!
-1 11732-04 A CYLINDER – Master brake, LH 1 x x x NM!
-2 11732-03 A CYLINDER – Master brake, RH 1 x x x NM!
-3 11732-02 B CYLINDER – Master brake 2 x x NM!
-4 11820-00 CLIP – Spring, keeper (Side of cylinder) 1 x x x x NM!

-5 12385-00 B CYLINDER – Master brake 1 x x NM!
(Note: This brake cylinder also is used for dual x
brake installation on 1950, 1951, 1952, and
1953 Model PA-20 airplanes, 2 per ship)
-6 12385-03 A CYLINDER – Master, brake, LH 1 x x x NM!
12385-02 A CYLINDER – Master, brake, RH 1 x x x NM!
-7 12607-00 BUSHING – Plunger 1 x x x x NM!
-8 -12604-000 CAP – Top of cylinder 1 x x x x 84.61
-9 12605-00 CLEVIS – Top of plunger 1 x x x x NM!
-10 12603-00 B HOUSING 1 x x NM!
12603-03 A HOUSING – Brake cylinder, LH 1 x x x NM!
12603-02 A HOUSING – Brake cylinder, RH 1 x x x NM!
-11 12346-00 LUG – Bottom of cylinder 1 x x x x NM!
-12 MS28775-012 “O” RING – Small (AN6227-7) 1 x x x x 0.32
-13 MS28775-216 “O” RING – Large (AN6227-21) 1 x x x x 1.14
-14 MS28775-211 “O” RING – In cylinder (AN6227-16) 1 x x x x 0.56
-15 12598-00 PLUNGER ASSEMBLY 1 x x x x NM!
-16 MS28775-010 “O” RING – (AN6227-5) 1 x x x x 0.3
-17 -484-705 RING – Retainer, top of cylinder 1 x x x x 24.9
-18 -12606-000 SCREW – Top of cylinder 1 x x x x 13.36
-19 83302-14 SPRING – Bottom of plunger 1 x x x x NM!
-20 11734-00 KEEPER – Piston lock plate (side of cylinder) 1 x x x x NM!
-21 11819-00 PLATE ASSEMBLY – Piston lock 1 x x x x NM!

-22 51991-00 SPRING – Coil (top of cylinder) 1 x x x x NM!
-23 U85012-010 WASHER – Spring stop (top of cylinder) 1 x x x x 5.64
-24 751-147 ELBOW – To join the 4 master cylinders 4 x x x x NM!
(For dual installation) (AN823-4D)

Date of Issue – March 1954 126