RIVET
.020 .025 .032 .040 .050 .063 .071
NAS1398B *
CR3213
NAS1738B
CR3243
NAS1768D
APPROVEDSUBSTITUTIONS FOR MS20470AD 3/16 INCH PROTRUDING HEAD TYPE RIVET ON A DIRECT "ONE FOR ONE" BASIS. SHEIETMETAL THICKNESS RIVET .020 .025 .032 .040 .050 .063 .071 NAS1398B --CR3213 --NAS1738B CR3243 NAS1768D -
NOTE: Substitute Rivets are indicated by an asterisk (*).
EFFECTIVITY:
040-999
51-40-00 PAGE5
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
C. RivetSubstitution (continued)
CHART805 (Sheet3 of 4)
STRUCTURALRIVETSUBSTITUTION
APPROVED SUBSTITUTIONS FOR MS20426AD 1/8 INCH FLUSH (MACHINE COUNTERSINK)HEADTYPERIVETON A DIRECT"ONE FORONE" BASIS.
SHEETMETALTHICKNESS RIVET .020 .025 .032 .040 .050 .063 .071
53
NAS1739B
CR3242
NAS1769D
APPROVED SUBSTITUTIONS FOR MS20426AD 5/32 INCH FLUSH (MACHINE COUNTERSINK)HEAD TYPERIVETON A DIRECT"ONE FORONE" BASIS.
SHEETMETALTHICKNESS RIVET .020 .025 .032 .040 .050 .063 .071
NAS1739B
CR3242
NAS1769D
APPROVED SUBSTITUTIONS FOR MS20426AD 3/16 INCH FLUSH (MACHINE COUNTERSINK)HEAD TYPERIVETON A DIRECT"ONE FORONE" BASIS.
SHEETMETALTHICKNESS RIVET .020 .025 .032 .040 .050 .063 .071
CR3242
NAS1769D
NOTE:SubstituteRivetsareindicatedbyanasterisk(*).
EFFECTIVITY:
040-999 Jan
10/901090 51-40-00
PIPERAIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
C. Rivet Substitution (continued)
CHART805 (Sheet 4 of 4)
STRUCTURALRIVETSUBSTITUTION
APPROVEDSUBSTITUTIONSFOR MS20426AD 1/8 INCH FLUSH (DIMPLED) HEAD TYPE RIVET ON A DIRECT "ONE FOR ONE" BASIS.
SHEET METAL THICKNESS RIVET .020 .025 .032 .040 .050 .063 .071
CR3212
NAS1739B
APPROVEDSUBSTITUTIONSFOR MS20426AD5/32 INCH FLUSH(DIMPLED)HEAD TYPE RIVET ON A DIRECT "ONE FOR ONE" BASIS.
SHEETMETALTHICKNESS -RIVET .020 .025 .032 .040 .050 .063 .071
NAS1739B
APPROVEDSUBSTITUTIONSFOR MS20426AD3/16 INCH FLUSH(DIMPLED) HEAD TYPE RIVETON A DIRECT "ONE FORONE" BASIS.
Currently,thereare no approved"onefor one" substitutionsfor the 3/16 inch Flush(Dimpled) Head Type Rivet.
NOTE: SubstituteRivets are indicated by an asterisk (*).
EFFECTIVITY:
040-999
PAGE7
Jan10/90
PIPERAIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCEMANUAL
C. RivetSubstitution (continued)
CHART 806
NUT-PLATERIVET SUBSTITUTION
SUBSTITUTE HOLLOW BLIND RIVET
SOLID RIVET DIA. GRIP RANGE PROTRUDING HEAD FLUSH HEAD (100 ° )
Up to .062 CCR 27455-3-1 CCR 26455-3-1
.063 to .125 CCR 27455-3-2 CCR26455-3-2 DR 1204-0306
3/32" TYPE AD .126 to .187 .188 to .250 CCR 27455-3-3 CCR 27455-3-4 CCR 26455-3-3 DR 1204-0308 CCR 26455-3-4 DR 1204-0310
.251 to .312 DR 1204-0312
.313 to .375 DR 1204-0314
.376 to .437 DR 1204-0316
NOTE:
CCR Denotes cherrylock rivets (Cherry Rivet Div. of Townsend Corporation). DR Denotes chobert rivets (Avdel Corporation).
EFFECTIVITY:
040-999
PAGE51-40-00
Jan 10/90
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCEMANUAL
Repairs
A Sheet Metal Repairs
Repairs in Piper Aircraftare approved using standard sheet metal repair procedures. Repairs in the following areas, other than those listed in this Chapter, are not recommended
without the approval of Piper Aircraft:
1.
Wing front, main and rear spars, and assemblies.
2.
Wing spar box assembly.
3.
Spars of elevator, horizontalandvertical stabilizer, rudder, and ailerons.
4.
Pressurizedsection of fuselage including pressurebulkheads.
5.
Heat treated steel parts and welded steel structures.
6.
Splices.
7.
Forgingsand castings.
8.
Fittingsand machined parts.
NOTE: The replacement of rivets in items 1, 2, 3, and 4 above is a Piper Aircraft approved repair.
B. FuselageRepairs-Pressurized Section
Wheneverpossible, an inset is provided in the upper part of the page with the shaded portion indicating a typical area where repair could be required. The material to be used in the repair is specified either on the illustration or in the lower right hand section of the page.
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