(b)
Turn the three jackscrews.
(c)
Continue to turn the jackscrews until they touch the rear cone.
(d)
Turn the jackscrews in a sequence to disconnect the front cone from the rear cone.
(e)
Remove the front cone.
F. Remove the Spinner Rear Cone (Fig. 401)
S 214-008-C00
(1)
Make sure you remove the Spinner Front Cone.
(2)
Do these steps to remove the spinner rear cone:
S 034-009-C00
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
FAN BLADES
FAN DISK
ELLIPTICAL
SPINNER
AFT FLANGE OF THEREAR CONE SPINNER REAR CONE
FRONT FLANGE OF THE FAN DISK
BOLT AND WASHER (8 LOCATIONS)
ELLIPTICAL
SPINNER
FRONT CONE
BOLT AND
WASHER
(12 LOCATIONS)
FRONT FLANGE OF THE
SPINNER REAR CONE
A
Spinner Installation
Figure 401
A09426
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ú C02 Page 403
ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
CAUTION:_______DO NOT LET THE TOOLS TOUCH THE FAN BLADES. DO NOT USE RATCHET TOOLS WHEN YOU REMOVE OR INSTALL THE BOLTS AND WASHERS. IF THE TOOLS TOUCH THE FAN BLADES, THEN YOU CAN CRACK THE BLADES.
MAKE SURE THE SPINNER REAR CONE DOES NOT FALL WHEN IT DISCONNECTS FROM THE FAN DISK.
(a) Remove the 12 bolts and washers that attach the aft flange of the spinner rear cone to the fan disk flange.
NOTE: You can remove the balance bolts to get at the bolts to
____ the spinner rear cone. The balance bolts you removed must be installed at their initial location to get the rotor to balance.
(b)
Attach the six jackscrews (from the puller tool set) to the rear cone, 60 degrees from each other.
(c)
Disconnect the spinner rear cone from the fan disk.
(d)
ENGINES WITH CFMI SB 72-488; Do not remove the bonded seal from the aft end of the rear cone (Fig. 402).
TASK 72-31-01-404-012-C00
3. Spinner Installation____________________
A. General
(1) This task contains three steps:
-
Install the Spinner Rear Cone
-
Install the Spinner Front Cone
-Put the Airplane Back to its Usual Condition
B. Equipment
(1)
Guide pins - Spinner Rear Cone, 856A3409,
CFM International
(2)
Heat gun locally available
(3)
Feeler gage set locally available
(4)
Protective mats (two necessary) -Rubber Manufacturer's Association, Grade SC43,
neoprene sponge, 1.0 inch thick, approximately
3.0 x 4.0 feet with warning streamers attached
C. Consumable Materials
(1) Graphite grease - CP2101 (AMM 70-10-01/201)
D. Access
(1) Location Zones
501 Engine No. 1 - Inlet Cowl
601 Engine No. 2 - Inlet Cowl
506 Engine No. 1 - Fan Disk
606 Engine No. 2 - Fan Disk
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