72-00-00
Figure 1 Engine Assembly, Twinned Turboshaft, Complete, PT6T-3/-3B/-3BE/-3BF/-3BG
Graphic
  Fig. Item Part No. Airline Part No. Nomenclature Effect Code Units Per Assy.
—
1
3015300
 
ENGINE ASSEMBLY, TWINNED TURBOSHAFT, COMPLETE, PT6T-3/-3B/-3BF/-3BG
FOR PT6T-3 ENGINES BUILT TO BS342, BS372, BS403, BS406, BS420, BS421, BS560, BS1052
FOR PT6T-3B ENGINES BUILT TO BS556, BS835, BS1053, BS1186
FOR PT6T-3BG ENGINES BUILT TO BS1063
A,B,D,E
REF
—
1A
3046900
 
ENGINE ASSEMBLY, TWINNED TURBOSHAFT, COMPLETE, PT6T-3BE/-3BG
FOR PT6T-3BE ENGINES BUILT TO BS770, BS883
FOR PT6T-3BG ENGINES BUILT TO BS1058
C,E
REF
  10
3021734
 
▪ PLATE, ENGINE CONTROL NUMBER, GEARBOX,
RESTRICTED INTERCHANGEABILITY WITH P/N 3039047. REFER TO APPLICABLE SERVICE BULLETIN.
A,B,D,E
1
—
10A
3039047
 
▪ PLATE, ENGINE CONTROL NUMBER, GEARBOX,
B,C,D,E
1
—
20
3017680
 
▪ GEARBOX ASSEMBLY, REDUCTION, COMPLETE
FOR PT6T-3 ENGINES BUILT TO BS421, BS449
A
REF
—
20A
3024780
 
▪ GEARBOX ASSEMBLY, REDUCTION, COMPLETE
FOR PT6T-3 ENGINES BUILT TO BS432, BS449
FOR PT6T-3B ENGINES BUILT TO BS427, BS867
A,B,D,E
REF
—
20B
3039080
 
▪ GEARBOX ASSEMBLY, REDUCTION, COMPLETE
FOR PT6T-3BE ENGINES BUILT TO BS769, BS770, BS882, BS883
FOR PT6T-3BG ENGINES BUILT TO BS1058
C,E
REF
  30
*****
 
▪▪ REDUCTION GEARBOX, EXTERNALS, TORQUE CONTROL UNITS, NF GOVERNORS, PG ACCUMULATORS AND PNEUMATIC TUBES
A,B,C,D,E
REF
  40
*****
 
▪▪ T5 TEMPERATURE COMPENSATOR INSTALLATION
A,B,C,D,E
REF
—
41
*****
 
▪▪ T5 TEMPERATURE COMPENSATOR LEADS INSTALLATION
A,B,C,D,E
REF
  50
*****
 
▪▪ REDUCTION GEARBOX, EXTERNALS, P3 TUBES AND FILTERS
A,B,C,D,E
REF
  60
*****
 
▪▪ MAGNETIC CHIP DETECTOR, REDUCTION GEARBOX
A,B,C,D,E
REF
  70
*****
 
▪▪ GEARBOX ASSEMBLY, REDUCTION
A,B,C,D,E
REF
  80
*****
 
▪▪▪ OIL FILTERS INSTALLATION
A,B,C,D,E
REF
—
90
*****
 
▪▪▪ OIL FILTER BY-PASS VALVES INSTALLATION
A,B,C,D,E
REF
—
100
NOT USED
 
  110
3021733
 
▪ PLATE, ENGINE CONTROL NUMBER, POWER SECTION
RESTRICTED INTERCHANGEABILITY WITH P/N 3039048. REFER TO APPLICABLE SERVICE BULLETIN.
A,B,D,E
2
—
110A
3039048
 
▪ PLATE, ENGINE CONTROL NUMBER, POWER SECTION
B,C,D,E
2
  120
3017600
 
▪ POWER SECTION ASSEMBLY
FOR PT6T-3 ENGINES BUILT TO BS426, BS443, BS619
FOR PT6T-3B ENGINES BUILT TO BS588, BS605, BS834, BS1187
FOR PT6T-3BE ENGINES BUILT TO BS881
A,B,C,D,E
2
       
ATTACHING PARTS

   
  130  
▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
A,B,C,D,E
REF
       
------*------
   
  140
*****
 
▪▪ PG LINES, REAR FIRESEAL TO FUEL CONTROL UNIT
A,B,C,D,E
REF
  150
*****
 
▪▪ P3 FILTER AND PNEUMATIC LINES TO FUEL CONTROL UNIT
A,B,C,D,E
REF
—
151
*****
 
▪▪ P3 PNEUMATIC LINES TO REAR FIRESEAL
A,B,C,D,E
REF
  160
*****
 
▪▪ PY ACCUMULATOR AND PNEUMATIC LINE INSTALLATION
A,B,C,D,E
REF
  170
*****
 
▪▪ FUEL PUMP INSTALLATION
A,B,C,D,E
REF
  180
*****
 
▪▪ FUEL CONTROL UNITS (MANUAL AND AUTOMATIC), PRESSURE REGULATING AND SOLENOID VALVES
A,B,C,D,E
REF
  190
*****
 
▪▪ IGNITION CABLES INSTALLATION
A,B,C,D,E
REF
  200
*****
 
▪▪ POWER SECTION - T5 TEMPERATURE COMPENSATOR LEAD INSTALLATION
A,B,C,D,E
REF
       
ATTACHING PARTS

   
  210
*****
 
▪▪ POWER SECTION - NO.2 BEARING PRESSURE AND SCAVENGE OIL TRANSFER TUBES INSTALLATION
A,B,C,D,E
REF
  220
*****
 
▪▪ POWER SECTION - PRESSURE OIL TUBES INSTALLATION
A,B,C,D,E
REF
  230
*****
 
▪▪ POWER SECTION - PRESSURE OIL TUBES, ACCESSORY GEARBOX
A,B,C,D,E
REF
—
230A
*****
 
▪▪ POWER SECTION - PRESSURE OIL TUBES, ACCESSORY GEARBOX
A,B,C,D,E
REF
  240
*****
 
▪▪ OIL-TO-FUEL HEATER INSTALLATION
A,B,C,D,E
REF
  250
*****
 
▪▪ FUEL LINES FROM MANUAL FCU TO SURGE ACCUMULATOR
A,B,C,D,E
REF
  260
*****
 
▪▪ COMPRESSOR WASH RING AND FRONT FIRESEAL MOUNTING RING INSTALLATION
A,B,C,D,E
REF
  270
*****
 
▪▪ AIR INLET SCREEN AND COMPRESSOR BLEED VALVE DISCHARGE, OPTION INSTALLATION
A,B,C,D,E
REF
  280
3018123
 
▪▪ BRACKET, ENGINE LIFTING
A,B,C,D,E
1
—
290
3017500
 
▪▪ POWER TURBINE AND EXHAUST ASSEMBLY
A,B,C,D,E
1
—
300
3016994
 
▪▪ BOLT, MACHINE, DEE-HEAD, 0.190-32UNJF X 0.625 LG.
NONINTR WITH P/N 3024618
A,B,C,
60
  300A  
▪▪ BOLT, MACHINE, TEE-HEAD, 0.190-32UNJF X 0.625 LG.
RESTRICTED INTERCHANGEABILITY WITH P/N 3102933-01 AND 3102933-04. REFER TO APPLICABLE SERVICE BULLETIN.
A,B,C,
60
—
301  
▪▪ BOLT, MACHINE, TEE-HEAD 0.190-32UNJF X 0.688
A,B,C,D,E
45
—
305
3102933-04
 
▪▪ BOLT, MACHINE, TEE-HEAD 0.190-32UNJF-3A X 0.812
use with P/N 3102933-01
A,B,C,D,E
15
  310  
▪▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
TWO-WAY INTRCHG WITH P/N ST3077-09
A,B,C,D,E
60
—
310A  
▪▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
INTRCHG AS A SET WITH P/N ST6544-09
A,B,D
60
—
310B  
▪▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
A,B,D
60
       
------*------
   
  320
*****
 
▪▪▪ REAR FIRESEAL INSTALLATION
A,B,C,D,E
REF
  330
*****
 
▪▪▪ NO.3 AND NO.4 BEARING HOUSING SUPPORT ASSEMBLY INSTALLATION
A,B,C,D,E
REF
  340
*****
 
▪▪▪ POWER TURBINE ROTOR INSTALLATION
A,B,C,D,E
REF
  350
*****
 
▪▪▪ POWER TURBINE STATOR HOUSING AND SHROUD
A,B,C,D,E
REF
—
360
*****
 
▪▪▪ T5 TEMPERATURE WIRING HARNESS, THERMOCOUPLE AND BUS-BAR INSTALLATION
A,B,C,D,E
REF
  370
*****
 
▪▪▪ INTEGRAL T5 THERMOCOUPLE AND WIRING HARNESS INSTALLATION
A,B,C,D,E
REF
  380
*****
 
▪▪▪ EXHAUST DUCT ASSEMBLY
A,B,C,D,E
REF
—
390
3017490
 
▪▪ GAS GENERATOR ASSEMBLY
A,B,C,D,E
1
  395
3105050-01
 
▪▪▪ PLATE, INSTRUCTION, TRIM VALUE
component of P/N 3017490
A,B,C,D,E
1
       
ATTACHING PARTS

   
  400  
▪▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
A,B,C,D,E
16
  410
MS9320-09
 
▪▪ WASHER, FLAT
A,B
14
       
------*------
   
  420
*****
 
▪▪▪ CENTER FIRESEAL MOUNT RING INSTALLATION
A,B,C,D,E
REF
  430
*****
 
▪▪▪ GAS GENERATOR CASE
A,B,C,D,E
REF
  440
*****
 
▪▪▪ COMPRESSOR ROTOR INSTALLATION
A,B,C,D,E
REF
  450
*****
 
▪▪▪ COMBUSTION CHAMBER LINER
A,B,C,D,E
REF
  460
*****
 
▪▪▪ COMPRESSOR TURBINE VANE RING, SHROUD HOUSING AND EXIT DUCTS, PT6T-3
A,
REF
—
460A
*****
 
▪▪▪ COMPRESSOR TURBINE VANE RING, SHROUD HOUSING AND EXIT DUCTS, PT6T-3B/-3BE/-3BF/-3BG
B,C,D,E
REF
  470
*****
 
▪▪▪ FUEL FLOW DIVIDER AND DUMP VALVE INSTALLATION
A,B,C,D,E
REF
—
480
*****
 
▪▪▪ FUEL DRAIN VALVES INSTALLATION
A,B,C,D,E
REF
  490
*****
 
▪▪▪ FUEL MANIFOLD ADAPTERS INSTALLATION
A,B,C,D,E
REF
  500
*****
 
▪▪▪ IGNITER SPARK INSTALLATION
A,B,C,D,E
REF
  510
*****
 
▪▪▪ COMPRESSOR AIR BLEED VALVE INSTALLATION
A,B,C,D,E
REF
—
520
*****
 
▪▪ POWER SECTION AND ACCESSORY GEARBOX INTERCONNECTING PARTS
A,B,C,D,E
REF
  530
3017470
 
▪▪ ACCESSORY GEARBOX ASSEMBLY, EXTERNAL COMPONENTS
A,B,C,D,E
REF
  540
*****
 
▪▪▪ CHECK AND REGULATING VALVE ASSEMBLY
A,B,C,D,E
REF
  550
*****
 
▪▪▪ OIL PRESSURE ADJUSTMENT AND RELIEF VALVES
A,B,C,D,E
REF
—
560
NOT USED
 
—
570
NOT USED
 
  580
*****
 
▪▪▪ MAGNETIC CHIP DETECTOR, ACCESSORY GEARBOX
A,B,C,D,E
REF
  590
3017809
 
▪▪ PLATE IDENTIFICATION, POWER SECTION
TWO-WAY INTRCHG WITH P/N 3057898-01
A,B,C,D,E
1
—
590A
3057898-01
 
▪▪ PLATE IDENTIFICATION, POWER SECTION
A,B,C,D,E
1
       
ATTACHING PARTS

   
—
600
3008822
 
▪▪ RIVET, BLIND, UNIVERSAL, 0.125 DIA X 0.062 GRIP
A,B,C,D,E
4
  600A
3008822
 
▪▪ RIVET, BLIND, UNIVERSAL, 0.125 DIA X 0.062 GRIP
A,B,C,D,E
2
  610
3020439
 
▪▪ PLATE INSTRUCTION, TRIM VALUE
A,B,C,D,E
1
  620
3011178
 
▪▪ RIVET, BLIND, UNIVERSAL, 0.125 DIA X 0.125 GRIP
A,B,C,D,E
2
       
------*------
   
  630
3020440
 
▪▪ PLATE, INSTRUCTION, TRIM VALUE
A,B,C,D,E
2
—
630A
3105050-01
 
▪▪ PLATE, INSTRUCTION, TRIM VALUE
A,B,C,D,E
2
—
630B
DELETED
 
—
640
*****
 
▪ IGNITION EXCITER INSTALLATION
A,B,C,D,E
REF
—
650
*****
 
▪ IGNITION SYSTEMS INSTALLATION
A,B,C,D,E
REF
        KITS, REPAIR/SERVICE PARTS    
—
700
3020154
 
PARTS KIT, POWER SECTION REPLACEMENT
A,B,C
AR
—
700A
3040036
 
PARTS KIT, POWER SECTION REPLACEMENT
A,B,C
AR
—
710
3019493
 
PARTS KIT, MODIFICATION COMPRESSOR SPRAY RING
INTRCHG WITH P/N 3027281
A
AR
—
710A
3021180
 
PARTS KIT, MODIFICATION COMPRESSOR SPRAY RING
INTRCHG WITH P/N 3027281
A
AR
—
710B
3027281
 
PARTS KIT, MODIFICATION COMPRESSOR SPRAY RING
A
AR
—
720
3021987
 
PARTS KIT, FILTER INSPECTION, FUEL PUMP
A
REF
—
730
3021988
 
PARTS KIT, FILTER REPLACEMENT, FUEL PUMP
INTRCHG WITH P/N 3023322
A
AR
—
740
3024652
 
PARTS KIT, HOT SECTION INSPECTION
INTRCHG WITH P/N 3027276
A
AR
—
740A
3027276
 
PARTS KIT, HOT SECTION INSPECTION
A,B,C
AR
—
740B
3040037
 
PARTS KIT, HOT SECTION INSPECTION
A,B,C
AR
—
740C
3118996-01
 
PARTS KIT, HOT SECTION INSPECTION
A,B,C
AR
—
750
3028879
 
PARTS KIT, P3 AIR FILTER REPLACEMENT
INTRCHG WITH P/N 3029498
A
AR
—
750A
3029498
 
PARTS KIT, P3 AIR FILTER REPLACEMENT
INTRCHG WITH P/N 3032796
A
AR
—
750B
3032796
 
PARTS KIT, P3 AIR FILTER REPLACEMENT
A,B
AR
—
760
3028337
 
PARTS KIT, P3 AIR FILTER INSTALLATION
INTRCHG WITH P/N 3029497
A
AR
—
760A
3029497
 
PARTS KIT, P3 AIR FILTER INSTALLATION
INTRCHG WITH P/N 3032798
A
AR
—
760B
3032798
 
MODIFICATION KIT, A.F.C.U. BARRIER FILTER AND MOISTURE SEPARATOR
A,B
AR
—
770
3028883
 
PARTS KIT, PNEUMATIC SYSTEM CLEANING
TWO-WAY INTRCHG WITH P/N 3040038
A
AR
—
770A
3040038
 
PARTS KIT, PNEUMATIC SYSTEM CLEANING
ONE-WAY INTRCHG WITH P/N 3041118
A,B,C
AR
—
770B
3041118
 
PARTS KIT, PNEUMATIC SYSTEM CLEANING
A,B,C,
AR
—
780
3120889-01
 
PARTS KIT, BLEED VALVE
A,B,C,D,E
AR
—
790
3028959
 
PARTS KIT, REDUCTION GEARBOX OUTPUT SECTION
A
AR
—
790A
3039814
 
PARTS KIT, REDUCTION GEARBOX OUTPUT SECTION
A,C
AR
—
800
3039698
 
MODIFICATION KIT, T5 THERMOCOUPLE WIRING HARNESS
A,B,C
AR
—
800A
3040326
 
MODIFICATION KIT, T5 THERMOCOUPLE WIRING HARNESS
A,B,C
AR
—
800B
3041152
 
MODIFICATION KIT, T5 THERMOCOUPLE WIRING HARNESS
RESTRICTED INTERCHANGEABILITY WITH P/N 3122950-01. REFER TO APPLICABLE SERVICE BULLETIN.
A,B,C
AR
—
800C
3122950-01
 
MODIFICATION KIT, T5 THERMOCOUPLE WIRING HARNESS
A,B,C
AR
—
810
3032450
 
MODIFICATION KIT, ARCTIC, GOVERNOR, P3 AIR SUPPLY
A,B
AR
—
820
3033050
 
MODIFICATION KIT, DETACHABLE TERMINAL BLOCK, T5 INTEGRAL HARNESS
NONINTR WITH P/N 3035790
A,B
AR
—
820A
3035790
 
MODIFICATION KIT, DETACHABLE TERMINAL BLOCK, T5 INTEGRAL HARNESS
TWO-WAY INTRCHG WITH P/N 3056219-01
A,B
AR
—
820B
3056219-01
 
MODIFICATION KIT, DETACHABLE TERMINAL BLOCK, T5 INTEGRAL HARNESS
TWO-WAY INTRCHG WITH P/N 3071777-01
A,B,D
AR
—
820C
3071777-01
 
MODIFICATION KIT, DETACHABLE TERMINAL BLOCK, T5 INTEGRAL HARNESS
A,B,C,D,E
1
—
830
3045125-01
 
MODIFICATION KIT, HEATED P3 LINE
A,B,C
AR
—
840
3029194
 
MODIFICATION KIT, TORQUE CONTROL BLEED
A
AR
—
850
3045869-01
 
MODIFICATION KIT, REDUCTION GEARBOX
A,B,C,
AR
—
860
3050299-01
 
A,B,C
AR
—
870
3041074
 
A,B,C,D,E
AR
—
880
3056375-01
 
PARTS KIT, TORQUE CONTROL
A,B,C,D,E
1
Note 1:
NEW PART MAY REPLACE EITHER OLD OR NEW PART
— ITEM NOT ILLUSTRATED
EFF MODEL
A PT6T-3
B PT6T-3B
C PT6T-3BE
D PT6T-3BF
E PT6T-3BG