(2)
WDM 24-21-11
C.
Access
(1)
Location Zone
502 LH Fan Cowl, Left Nacelle
602 LH Fan Cowl, Right Nacelle
(2)
Access Panels
5746L Fan Cowl Assy
5746R Fan Cowl Assy
D.
Procedure
S 864-001
(1) For the applicable engine, open these circuit breakers and attach DO-NOT-CLOSE tags:
NOTE: X = engine 1 or 2, as applicable.
____
(a) P6-4 Circuit Breaker Panel 1) GENERATOR DRIVE OIL NO. X LOW PRESS
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
AC GENERATOR SEE A
GENERATOR
EXCITER TERMINAL TERMINAL COVER
COVER TERMINALS TEE-BOLTS CLAMP BLOCK
AIR BLAST SEE B
CONNECTOR CAP
INLET COOLING
AIR DUCT
EXHAUST COLLECTOR CONSTANT SPEED
DUCT RING DRIVE (REF)
A
AC Engine - Driven Generator Component Location
Figure 401 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
EXCITER TERMINAL GENERATOR TERMINAL
AC Engine - Driven Generator Component Location
Figure 401 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
2) 3) GENERATOR DRIVE OIL NO. X TEMPNO. X CSD CONT
(2) S 014-003Open the fan cowl panel (AMM 71-11-02/201).
(3) S 034-004Remove the brackets that isolate the hydraulic tubes from the generator.
NOTE:____ Keep the hydraulic tubes attached to the brackets.
(4) S 034-005Remove the clamp block for the generator leads: (a) Remove the two fasteners that attach the clamp block to the collector ring. (b) Remove the clamp block from the collector ring.
(5) S 034-006Disconnect the electrical leads from the generator: (a) Remove the covers on the generator and exciter terminals. (b) Put an identification tag on each electrical lead on the generator terminals and the exciter terminals. (c) Remove all electrical leads from the generator terminal studs and the exciter terminal studs.
(6) S 034-007Remove the cooling-air collector ring: (a) Remove the nuts from the tee-bolts on the ring. (b) Remove the ring from the generator.
(7) S 034-008Remove the cooling-air inlet duct from the air blast connector cap: (a) Remove the tube clamp from the cooling-air inlet duct.
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A
737-300/400/500MAINTENANCE MANUAL
(b)
Remove the clamps near the air blast connector cap.
(c)
Remove the duct from the cap.
S 034-012
(8) Loosen each generator mounting nut (12 locations) around the generator flange approximately 1/2-inch.
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