73-31-01
ALL ú ú C02 Page 406 ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FUEL FLOW/FUEL USED INDICATOR - REMOVAL/INSTALLATION
____________________________________________________
1. General
_______
A. The fuel flow/fuel used indicators are found on the pilots' center instrument panel.
TASK 73-31-02-004-001-C00
2. Remove the Fuel Flow/Fuel Used Indicator
________________________________________
A. Access
(1) Location Zone
101 Control Cabin - Left
B. Procedure (Fig. 401)
S 864-002-C00
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-3 Load Control Center
1) For the left engine:
a) FUEL SYSTEMS FUEL IND ENG 1
2) For the right engine: a) FUEL SYSTEMS FUEL IND ENG 2
S 034-003-C00
(2)
Loosen the circular head screw near the 10 o'clock position of the indicator to be removed.
S 024-004-C00
(3)
Pull the indicator aft to be clear of the panel.
S 034-012-C00
CAUTION: CROSS CONNECTION OF THE INDICATOR (ON THE P5 OVERHEAD PANEL) IS
_______ A POSSIBILITY WHEN WORKING WITH THIS COMPONENT. CLEARLY IDENTIFY CONNECTIONS BEFORE DISCONNECTING.
(4) Remove the electrical connector.
TASK 73-31-02-404-005-C00
3. Install the Fuel Flow/Fuel Used Indicator
_________________________________________
A. References
(1) AMM 71-00-00/201, Power Plant
B. Access
(1) Location Zone
101 Control Cabin - Left
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT ENGINE INSTRUMENT ú
73-31-02
SYSTEM (EIS) ú
ú C02 Page 401
ú Mar 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
SEE A
FWD
UPPER RIGHT PART OF CIRCUIT BREAKER PANEL P6-3 (LOOKING AFT AND OUTBOARD)
ROUND HEAD SCREW
FWD
FUEL FLOW/FUELUSED INDICATORS
A
Fuel Flow/Fuel Used Indicator Installation
Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITHOUT ENGINE INSTRUMENT ú
73-31-02
SYSTEM (EIS) ú
ú C03 Page 402
ú Mar 15/89
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
C. Procedure (Fig. 401)
S 864-006-C00
(1) Remove the electrical power.
(a) Set the BAT switch on the Electrical Meters Battery and Galley Power Module (P5-13) to the OFF position and install a DO-NOT-OPERATE tag.
S 434-013-C00
CAUTION: CROSS CONNECTION OF THE INDICATOR (ON THE P5 OVERHEAD PANEL) IS
_______ A POSSIBILITY WHEN WORKING WITH THIS COMPONENT. POSITIVELY IDENTIFY CONNECTIONS BEFORE CONNECTING AND FUNCTION CHECK UPON COMPLETION OF CONNECTION.
(2)
Install the electrical connector.
S 424-008-C00
(3)
Put the indicator into the panel.
(a) Tighten the circular head screw in the panel to lock it into position.
S 864-009-C00
(4) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6-3 Load Control Center
1) For the left engine:
a) FUEL SYSTEMS FUEL IND ENG 1
2) For the right engine: a) FUEL SYSTEMS FUEL IND ENG 2
S 714-010-C00
(5) Start the applicable engine, let it become stable, and set it at idle power (AMM 71-00-00/201).
(a) Make sure the fuel flow indication operates correctly during the next engine operation.
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