S 865-045-C00
(4)
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.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
OIL PRESSURE TRANSMITTER - REMOVAL/INSTALLATION
_______________________________________________
1. General
_______
A. This procedure contains two tasks. The first task is to remove the oil pressure transmitter. The second task is to install the oil pressure transmitter.
B. The oil pressure transmitter is found on the fan case at the 9:30 o'clock position below the fuel flow transmitter.
TASK 79-32-01-004-001-C00
2. Oil Pressure Transmitter Removal
________________________________
A. References
(1) AMM 71-11-02/201, Fan Cowl Panel
B. Access
(1)
Location Zones
506 Engine No. 1
606 Engine No. 2
(2)
Access Panels
5737L/5746L Engine No. 1 - Fan Cowl Assembly
5837R/5846R Engine No. 2 - Fan Cowl Assembly
C. Procedure (Fig. 401)
S 014-002-C00
(1)
Open the left fan cowl panel (AMM 71-11-02/201).
S 864-047-C00
(2)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P6-2 Load Control Center 1) For Engine No. 1: a) AIRPLANES WITHOUT THE ENGINE INSTRUMENT SYSTEM (EIS); ENG 1 OIL TEMP & PRESS AC
b) AIRPLANES WITH THE ENGINE INSTRUMENT SYSTEM (EIS); EIS SEC 1 EIS SEC 2
2) For Engine No. 2: a) AIRPLANES WITHOUT THE ENGINE INSTRUMENT SYSTEM (EIS); ENG 2 OIL TEMP & PRESS AC
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
FORWARD TEE FITTING
NUT AND WASHER
OIL PRESSURE TRANSMITTER
SEE A
UNION UNION
FITTING AFT TEE
BRACKET ELECTRICAL CONNECTOR A VENT PRESSURE TUBE FROM THE TGB FWD
Oil Pressure Transmitter Installation
Figure 401
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
b) AIRPLANES WITH THE ENGINE INSTRUMENT SYSTEM (EIS); EIS SEC 3 EIS SEC 4
S 034-009-C00
(3) Disconnect the electrical connector from the oil pressure transmitter.
S 034-010-C00
WARNING:_______DO NOT LET THE ENGINE OIL STAY ON YOUR SKIN. IF THE ENGINE OIL STAYS ON YOUR SKIN, INJURY CAN OCCUR.
BE CAREFUL AROUND THE ENGINE OIL SYSTEM IMMEDIATELY AFTER ENGINE SHUT-DOWN. THE ENGINE OIL TEMPERATURE STAYS HIGH FOR SOME TIME AFTER THE ENGINE SHUT-DOWN AND CAN CAUSE INJURY.
CAUTION: IMMEDIATELY CLEAN OFF ALL ENGINE OIL THAT FALLS ON THE PAINTED
_______ SURFACES AND RUBBER PARTS OF THE AIRPLANE. THE SPECIFIED OIL FOR THIS OIL SYSTEM WILL CAUSE DAMAGE TO THE PAINTED SURFACES AND SOME TYPES OF RUBBER AND MUST NOT BE PERMITTED TO TOUCH THESE PARTS OF THE ENGINE.
USE VERY CLEAN CONTAINERS AND EQUIPMENT. OIL CONTAMINATION BY SMALL QUANTITIES OF SOME ALKALINE CLEANERS CAN CAUSE A FAILURE OF THE SYNTHETIC OIL.
DO NOT PUT THE OIL THAT IS DRAINED FROM THE ENGINE BACK INTO THE ENGINE.
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