73-20-03
Figure 2 Reduction Gearbox, Externals, Pg Accumulators and Pneumatic Tubes
Graphic
  Fig. Item Part No. Airline Part No. Nomenclature Effect Code Units Per Assy.
1
 
REDUCTION GEARBOX, EXTERNALS, PG ACCUMULATORS AND PNEUMATIC TUBES
A,B,C,D,E
REF
  10
3016190
 
▪ TUBE ASSEMBLY, AIR PRESSURE, GOVERNOR SECTION, NO.1
A,B,C,D,E
1
  20
3018476
 
▪ TUBE ASSEMBLY, AIR, ACCUMULATOR, NO.1
A,B,C,D,E
1
  30
3016824
 
▪ TUBE ASSEMBLY, AIR PRESSURE, TORQUE CONTROL, NO.1
A,B,C,D,E
1
  40
3018901
 
▪ ACCUMULATOR ASSEMBLY, AIR, GOVERNOR
A,B,C,D,E
2
45
3018797
 
▪▪ ACCUMULATOR ASSEMBLY, AIR, GOVERNOR
A,B,C,D,E
NP
  46
MS124659
 
▪▪ INSERT, SCREW THREAD
A,B,C,D,E
2
  50
3018799
 
▪ CLAMP ASSEMBLY, MOUNTING
A,B,C,D,E
4
55
3018800
 
▪ CUSHION, RUBBER, 7.570 IN. LG
A,B,C,D,E
2
60
3013513
 
▪ BOLT, MACHINE, DBL HEX, 0.190-32UNJF X 0.500 LG
INTRCHG WITH P/N MS9914-06
A
1
  60A
MS9914-06
 
▪ BOLT, MACHINE, DBL HEX
A,B,C,D,E
1
  70
MS9592-181
 
▪ BRACKET, ANGLE, 90-DEG
A,B,C,D,E
2
  70A
MS9592-147
 
▪ BRACKET, ANGLE, 90-DEG
A,B,C,D,E
2
  80  
▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
A,B,C,D,E
1
90
MS9825-03
 
▪ CLAMP ASSEMBLY, LOOP
INTRCHG WITH P/N 3004359
A
1
  90A
3004359
 
▪ CLAMP ASSEMBLY, LOOP, 0.250 DIA CUSHION
TWO-WAY INTRCHG WITH P/N ST2231-04
A,B,C,
1
90B
ST2231-04
 
A,B,C,D,E
1
  100
3014989
 
▪ CROSS, TUBE, BULKHEAD, 0.4375-20 THD
A,B,C,D,E
2
  110
MS9100-04
 
▪ NUT, PLAIN, HEX
A,B,C,D,E
2
  120
MS9058-04
 
▪ RING, BACK-UP
A,B,C,D,E
2
130
MS9388-110
 
▪ PACKING, PREFORMED
INTRCHG WITH P/N AS3001-110
INTRCHG WITH P/N AS3209-110
A
2
  130A
ST3001-110
 
▪ PACKING, PREFORMED
A,B,C
2
130B
AS3209-110
 
▪ PACKING PREFORMED
A,B,C,D,E
2
  140
DELETED
 
  150
 
▪ TRANSFERRED TO ITEM 120
160
3013513
 
▪ BOLT, MACHINE, DBL HEX, 0.190-32UNJF X 0.500 LG
INTRCHG WITH P/N MS9914-06
A
2
  160A
MS9914-06
 
▪ BOLT, MACHINE, DBL HEX
A,B,C,D,E
2
160B
MS9556-06
 
▪ BOLT, MACHINE, DBL HEX
A
2
170
MS9825-03
 
▪ CLAMP ASSEMBLY, LOOP
INTRCHG WITH P/N 3004359
A
2
  170A
3004359
 
▪ CLAMP ASSEMBLY, LOOP, 0.250 DIA CUSHION
TWO-WAY INTRCHG WITH P/N ST2231-04
A,B,C
2
170B
ST2231-04
 
▪ CLAMP ASSEMBLY, LOOP, 0.250 DIA CUSHION
A,B,C,D,E
2
  180  
▪ NUT OPTION (IC)
SEE TABLE FOR OPTIONAL PART NUMBERS
A,B,C,D,E
2
  190
MS9592-046
 
▪ BRACKET, ANGLE, 90-DEG
A,B,C,D,E
1
  200
3016821
 
▪ TUBE ASSEMBLY, AIR PRESSURE, TORQUE CONTROL NO.2
A,B,C,D,E
1
  210
3018474
 
▪ TUBE ASSEMBLY, AIR, ACCUMULATOR, NO.2
A,B,C,D,E
1
  220
3017182
 
▪ TUBE ASSEMBLY, AIR PRESSURE, GOVERNOR SECTION
A,B,C,D,E
1
  230
MS9391-05
 
▪ CLAMP, LOOP, MULTIPLE TUBE
A,B,C,D,E
2
  240
MS9393-03
 
▪ CUSHION, LOOP CLAMP, MULTIPLE, TWO-TUBES
A,B,C,D,E
4
Note 1:
PARTS OBTAINABLE THROUGH MODIFICATION KIT P/N 3029194
ITEM NOT ILLUSTRATED
EFF MODEL
A PT6T-3
B PT6T-3B
C PT6T-3BE
D PT6T-3BF
E PT6T-3BG