5.
 WASHER

6.
 NUT

FRONT FAN CASE
15. BRACKET
FWD
4
10. ENGINES PRE-PW-SB 72-332
10A. ENGINES POST-PW-SB 72-332  C
Front Fan Case Wiring, Tube and Hose Installation Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
11.  CLAMP
1.  BOLT
CLAMP  12. BOLT
2.  NUT W1 HARNESS
13. FLANGE B
BRACKET

W1 HARNESS FWDFWD
47.  FLANGE B BRACKET
D1 BOLT E2 CLAMP
1.  BOLTS
W1 HARNESS
NUT
W1 HARNESS
FWD 39.  FLANGE A1
BRACKET

F
48. FLANGE A1 BRACKET
14.  BRACKET G 3
13.  BRACKET
2.  NUT 7. EEC PAMB (FLANGE B)(FLANGE B) MANIFOLD
CLAMP
2. NUT CLAMP
1.  BOLT
1.  BOLT 8. EEC PT2
CLAMP  FLEX HOSE FWD
8.  EEC PT2 FLEX HOSE
FWD
I 1
H 1
Front Fan Case Wiring, Tube and Hose Installation Figure 401 (Sheet 3)
C16477
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
46. FLANGE  CLAMP
1. BOLT B BRACKET
13. BRACKET (FLANGE B)
7.  
EEC PAMB
MANIFOLD

8.  
EEC PT2 FLEX HOSE

CLAMP
2. NUT
1. BOLT
1. BOLT
9.  EEC PAMB FLEX HOSE1. BOLT FWD
K 1
EEC PT2
TUBE
J 2 1. BOLT

1. BOLT
12. BRACKET 7. EEC PAMB
(FLANGE B) MANIFOLD

11.  BRACKET (FLANGE A1)
7.  EEC PAMB MANIFOLD
CLAMP
CLAMP L-A3040
FWD
2. NUT
FWD 2. NUT
L M
1. BOLT
WIRE HARNESS CLAMP
37. BRACKET CLAMP
CLAMP
GROUND WIRE HARNESS
WIRE W3504
2. NUT
1. BOLT
6. NUT
10. BRACKET
10A. BRACKET 9. EEC PAMP WIRE
FLEX HOSE
4
CLAMPBUNDLE 2. NUT
N O
Front Fan Case Wiring, Tube and Hose Installations Figure 401 (Sheet 4)
C16530
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE C
SEE  B
SEE  A
HOLE NO. 30
NOTE: NUMBERS IN PARENTHESIS ARE THE BOLT HOLE LOCATIONS. 1 ENGINES POST-PW-SB 72-332 2
ENGINES PRE-PW-SB 72-332
3

ENGINES POST-PW-SB 72-230 4
ENGINES PRE-PW-SB 72-230
10.  BRACKET (8, 9)
2
HOLE NO. 1
HOLE NO. 60
FLANGE A1 BRACKETS A
5
6
7
Front Fan Case Installation
Figure 402 (Sheet 1)

10A.  BRACKET (8, 9)
1
11A.  BRACKET (11, 12)
3
11.  BRACKET (11, 12)
4
48.  BRACKET (20, 21)
5
39.  BRACKET
(22, 23)

6
39A.  BRACKET (22, 23)
HOLE NO. 90 7
41. BRACKET (27, 28)
ENGINES POST-PW-SB 73-101 
ENGINES PRE-PW-SB 72-248 
ENGINES POST-PW-SB 72-248  L-A2474 
0791 

C15830
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