75-32-02
ALL ú ú C01 Page 406 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(2) D00124 Oil - Lubricating, MIL-L-6081, Grade 1010 (CP2369)
NOTE: Filtered (10 micron) fuel can be used as an alternative.
____
(3)
D00004 Grease - Graphite (CP2101) (AMM 70-10-01/201)
(4)
B00148 Methyl Ethyl Ketone (MEK) - (CP 1040)
(5)
A00003 Primer - Red, 1200 (AMM 70-10-01/201)
(6) A00081 Sealant - DC 93-006-1 (AMM 70-10-01/201) ú (7) A00160 Primer and Sealant - BMS5-63, Class B-4, Type 1 ú (8) Primer and Sealant - BMS5-63, Type 2, Class B-4 (Optional to the ú Type 1 primer and sealant) ú (9) Parting Agent - Refer to Boeing Process Specification BAC5000, ú General Sealing, for a list of suitable parting agents and their ú suppliers.
C. References
(1)
AMM 71-11-02/201, Fan Cowl Panels
(2)
AMM 75-32-05/501, Variable Bleed Valve Feedback Cable
(3)
AMM 71-00-00/501, Power Plant
(4)
AMM 78-31-00/201, Thrust Reverser System
D. Access
(1)
Location Zones 506 Engine No. 1 - 9 o'clock position on the fan frame 606 Engine No. 2 - 9 o'clock position on the fan frame
(2)
Access Panels 5783L Engine No. 1 - Left Thrust Reverser Half 5838R Engine No. 2 - Left Thrust Reverser Half
E. Procedure (Fig. 401)
S 864-015-C00
CAUTION: USE TWO WRENCHES TO TIGHTEN THE TUBE COUPLING NUTS TO PREVENT
_______
DAMAGE TO THE TUBES.
DO NOT CAUSE DAMAGE TO THE BOOT ON THE STOP MECHANISM OF THE BLEED VALVE DURING INSTALLATION.
THE VBV SYSTEM MUST BE IN THE CLOSED POSITION.
(1) Do a check that the VBV system is in the closed position.
(a) If it is not, operate the system to the closed position with the bleed valve and the hex drive of the master ballscrew actuator.
NOTE: To do this, use a ratchet wrench.
____
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
75-32-02
ALL ú ú C02.1 Page 407 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 094-016-C00
(2) Remove the caps.
S 864-017-C00
(3) Use the main flexible shaft to turn the stop mechanism shaft of the
bleed valve.
NOTE:____ Turn the shaft in the direction shown by the arrow on the
stop mechanism housing. Continue until the stop mechanism
shaft comes up against the mechanical stop that is at the
closed position.
S 434-045-C00
CAUTION: KEEP THE FUEL GEAR MOTOR AT 90 DEGREES TO THE MOUNTING SURFACE
_______ WHEN YOU INSTALL IT ON THE STOP MECHANISM. THIS IS TO PREVENT DAMAGE TO THE SPLINES.
(4) Install the fuel gear motor of the bleed valve on the stop mechanism as follows:
WARNING:_______DO NOT LET ENGINE OIL STAY ON YOUR SKIN. USE ENGINE OIL IN AREA WITH GOOD VENTILATION. ENGINE OIL IS POISONOUS AND CAN BE ABSORBED THROUGH YOUR SKIN. ENGINE OIL FUMES CAN IRRITATE YOUR RESPIRATORY TRACT.
(a)
Lightly lubricate a new o-ring with engine oil.
(b)
Install it in the groove on the housing of the fuel gear motor.
(c)
Put the fuel gear motor into the stop mechanism.
(d)
Turn the fuel gear motor to align the bolt holes.
(e)
Do a check that the o-ring is correctly installed.
(f)
Lightly lubricate four bolts with grease.
(g)
Install the bolts.
(h)
Tighten the bolts to 110-120 pound-inches (12.4-13.6 Newton meters).
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