TABLE
1
BOLT
IDENT.
NOMINAL
THREAD
SIZE
TORQUE LB-IN.
(N.m)
210-230
IN.
(23.7-26.0)
A
B
C
D
0.3750
IN.
(9.53
MM)-24
0.4375
IN.
(11.11 MM)-20
0.5000
IN.
(12.7
MM)-20
0.3125
IN.
(7.94
MM)-18
380-420
IN.
(42.9-47.5)
570-630
IN.
(64.4-71.2)
860-940
IN.
(97.2-106.2)
NOTES:
2.
HORIZONTAL
FLANGE
BOLT HOLE
NUMBERING
STARTS
AT
THE AFT
END.
"L"
REFERS
TO
9:00
O'CLOCK
FLANGE
AND "R"
REFERS
TO
3:00
O'CLOCK
FLANGE
AFT
LOOKING
FORWARD.
BELOW.
ALTERNATING
FROM LEFT
TO
RIGHT
ADVANCING
FORWARD
EXCEPT
IT IS
PERMISSIBLE
TO
ADVANCE
UP TO
4
NUTS
FARTHER
ON
ONE
SIDE THAN
THE
OTHER.
3.
HOLE NOS.
2, 5, 9,
15, 21, 25,
32
AND
37 ON
RIGHT
AND
LEFT
SIDES
OF
THE
CASING
ARE FOR
BODY
BOUND
BOLTS.
THEY
ARE
SHADED
IN
THE
FIGURE
4.
ASSEMBLE
CASE
HALVES
AND
INSTALL
ALL
BOLTS.
ALL
BOLT
HEADS
ARE
IN
UPPER
CASING EXCEPT
IN
HOLE NOS. 14R,
7L
AND
13L.
5.
AVOID
TURNING
BODY
BOUND
BOLTS.
TAP
THEM WITH
A
PLASTIC MALLET.
6.
TORQUE
NUTS
TO
THE
VALUES
IN
TABLE
1
STARTING
WITH HOLE
NO.
1
AND
37
C
32
25
21
15
A
A
9
C B
B
D
B
5
2
D
CD
C
C
B
D
FWD
1.
APPLY
LUBRICANT
TO
THREADS
AND
WASHER
FACES
OF
BOLTS
AND
NUTS
BEFORE
INSTALLATION.
85738 S00061423034_V1
Horizontal Flange Bolts
Figure 602/72-35-00-990-802-G00
767
AIRCRAFT MAINTENANCE MANUAL
CF6-80A SERIES ENGINES
72-35-00
NoC
Page 609
D633T1B7 Dec 22/2016
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ABX 001-007, 011, 012, 016-019, 021, 022, 025, 101,
109, 114, 115, 314-999
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