C.
Procedure
S 014-014
(1)
Get access to the BIT module (AMM 71-11-02/201).
S 024-015
(2)
Remove the screws from the instruction plate to get to the connector.
S 024-016
(3)
Remove the screws from the top of the BIT module.
S 024-017
(4)
Loosen the jackscrews with 5/64 allen wrench.
NOTE: Loosen the jackscrews evenly.
____
S 024-018
(5) Disconnect the connector and remove the BIT module.
TASK 24-11-71-404-013
3. VSCF BIT Module Installation (Fig 401)____________________________
A. Access
(1)
Location Zone
504 Engine No. 1, LH
604 Engine No. 2, LH
(2)
Access Panel
5738L Thrust Reverser Cowl Assembly
5739L Thrust Reverser Cowl Assembly
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
VARIABLE SPEED CONSTANT FREQUENCY ú 24-11-71
-15 AND -16 GENERATOR/CONVERTER AND ú
SUBSEQUENT ú 01 Page 401 ú Mar 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
BIT MODULE SEE A
VSCF GENERATOR/CONVERTOR
BIT MODULE
SCREWS (9 LOCATIONS)
INSTRUCTION PLATE
CONNECTOR
A
VSCF Generator/Converter Display Module Installation Figure 401 (Sheet 1)
B03428
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -15 THROUGH -20 VSCF ú
24-11-71
ú ú 01 Page 402 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
POWER AND NEUTRAL TERMINALS
EXCITATION LEADS
COOLING
AIR
INLET
SCREWS
(10 LOCATIONS) COOLING
AIR
EXHAUST
WASHER
(10 LOCATIONS)
DISPLAY MODULE
SEE C
CONNECTOR
B
CURRENT TRANSFORMER LEADS
MAIN CONNECTOR
SEE B
CASE
PRESSURE-FILL
VALVE
INPUT SHAFT
LOCK WIRE
OVERFILL
DRAIN
FITTING
SIGHT GLASS
SPLINE CAVITY
PRESSURE-FILL
CASE VALVE
DRAIN INSTRUCTION
PLUG PLATE IDENTIFICATION
VSCF OIL OUT PLATE
GENERATOR/ PORT
CONVERTER
VSCF GENERATOR/CONVERTOR
SWITCHES
DISPLAY MODULE DISCONNECT RESET
SELF-TEST FLIGHT MESSAGES LAST VSCF FAULT SYS FAULT RESET LAST SYS FAULT
SINCE RESET
S2S1
INSTRUCTION
PLATE LIGHTS
DISPLAY MODULE
C
VSCF Generator/Converter Display Module Installations
Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH -23 AND -24 VSCF ú
24-11-71
ú ú 02 Page 403 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L30448
A
737-300/400/500MAINTENANCE MANUAL
B. Procedure
S 424-019
(1)
Connect the connector and install the BIT module.
S 424-020
(2)
Tighten the jackscrews until it is tight.
NOTE: Tighten the jackscrews evenly.
____
S 424-021
(3)
Tighten the other screws 7 to 9 pound-inches.
S 424-022
(4)
Install the instruction plate and tighten the screws 7 to 9 pound-inches.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
VARIABLE SPEED CONSTANT FREQUENCY ú 24-11-71
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