S 424-022-C00
WARNING: WEAR THERMAL INSULATED GLOVES WHEN YOU WORK WITH HEATED PARTS.
_______ YOU MUST PREVENT INJURY TO YOUR HANDS.
(4)
Install the 1st-stage vane assembly on the aligning offset holes of the booter asssembly with the 3 guide pins.
S 094-013-C00
(5)
Remove the guide pins.
(a)
Lubricate the 24 thread nuts with a thin coat of grease.
(b)
Install (seat) the lst-stage vane assembly with 24 bolts.
S 224-014-C00
(6)
Examine the seating of lst-stage vane assembly on 2nd-stage vane assembly with 0.001 inch (0.02 mm) feeler gage.
S 434-015-C00
(7)
Let the parts return to ambient temperature.
S 424-020-C00
(8)
Tighten the nuts to 100-110 pound-inches (11.5-12.5 newton-meters).
S 424-016-C00
(9)
Install the splitter fairing (AMM 72-33-04/401).
S 424-017-C00
(10)
Install the fan blades (AMM 72-31-02/401).
S 424-018-C00
(11)
Install the spinner front and rear cones (AMM 72-31-01/401).
S 864-019-C00
(12)
Remove the DO-NOT-CLOSE tag and close the circuit breaker on the P6-2 panel.
(a) P6-2 Load Control Center
1) ENGINE START VALVE
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72-31-03
ALL ú ú C01 Page 404 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
BOOSTER BLADES AND VANES - INSPECTION/CHECK
___________________________________________
1. General
_______
A. This inspection procedure is for the 1st-stage stator vanes. Borescope equipment is necessary to do an inspection of the booster blades and the remaining stages of the stator vanes (Ref 72-00-00/601). This procedure gives maximum service limits and extensions. If any damage exceeds these limits, the engine must be replaced (Ref 71-00-02/401).
TASK 72-31-03-206-001-C00
2. 1st-Stage Stator Vanes Inspection
_________________________________
A. Equipment
(1) Protective mats (two necessary) -Rubber Manufacturer's Association, Grade SC43,
neoprene sponge, 1 inch thick, approximately
3 x 4 feet with warning streamer attached.
B. References
(1)
AMM 71-00-02/401, Power Plant
(2)
AMM 72-00-00/601, Engine
(3)
AMM 72-31-03/401, Booster Blade and Vanes
(4)
AMM 72-31-03/801, Booster Blades and Vanes
C. Access
(1) Location Zones
502 Left Engine - Inlet and Cowl
602 Right Engine - Inlet and Cowl
D. Prepare for the Inspection
S 866-002-C00
(1) Open the applicable circuit breaker on the P6-2 circuit breaker panel and attach a DO-NOT-CLOSE identifier:
(a)
ENG 1 START VALVE
(b)
ENG 2 START VALVE
S 496-003-C00
CAUTION: MAKE SURE YOU INSTALL THE PROTECTIVE MATS IN THE INLET COWL.
_______ IF YOU DO NOT INSTALL THE MATS YOU CAN CAUSE DAMAGE TO THE ENGINE.
(2) Install the protective mats in the bottom ID of the inlet cowl and the tape seam.
S 986-007-C00
WARNING:_______WEAR GLOVE WHEN YOU MOVE THE FAN BLADES. YOU CAN INJURE YOUR HANDS IF DO NOT WEAR GLOVES.
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72-31-03
ALL ú ú C01 Page 601 ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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