(b)
Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.
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EXHAUST GAS TEMPERATURE INDICATOR - REMOVAL/INSTALLATION
________________________________________________________
1. General
_______
A. This procedure contains the removal and installation tasks for the exhaust gas temperature (EGT) indicator. The EGT indicator is installed in the P5 forward overhead panel.
TASK 49-71-11-004-001
2. Exhaust Gas Temperature Indicator Removal (Fig. 401)
_________________________________________
A. Access
(1) Location Zones
101 Control Cabin, LH
B. Procedure
S 864-003
(1) Set the switch and the circuit breaker:
(a)
Set the APU master switch on the P5 forward overhead panel to the OFF position and attach a DO-NOT-OPERATE tag.
(b)
Open this circuit breaker and attach a DO-NOT-CLOSE tag: 1) E3-3 Electrical Shelf, APU Control Unit
S 024-006
(2) Remove the EGT indicator:
(a)
Turn the clamping screw counterclockwise to loosen the EGT indicator.
(b)
Pull the EGT indicator out of the panel.
(c)
Disconnect the electrical plug from the EGT indicator.
TASK 49-71-11-404-011
3. Exhaust Gas Temperature Indicator Installation (Fig. 401)
______________________________________________
A. References
(1) AMM 49-11-00/201, APU Power Plant
B. Access
(1) Location Zones
101 Control Cabin, LH
C. Procedure
S 424-013
(1) Install the EGT indicator:
(a)
Connect the electrical plug to the EGT indicator.
(b)
Push the EGT indicator into the panel.
(c)
Turn the clamping screw clockwise to tighten the EGT indicator.
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////////////////////////A / GTCP85-129 SERIES /737-300/400/500/ ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
FLIGHT COMPARTMENT
CLAMPING SCREW
PANEL
ELECTRICAL EXHAUST GAS PLUGTEMPERATURE INDICATOR
A
Exhaust Gas Temperature Indicator Installation
Figure 401
G37890
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S 864-016
(2) Set the circuit breaker and the switch: (a) Remove the DO-NOT-CLOSE tag and close this circuit breaker: 1) E3-3 Electrical Shelf, APU Control Unit (b) Remove the DO-NOT-OPERATE tag from the APU master switch on the P5 forward overhead panel.
S 914-025
(3) Start and operate the APU for a minimum of five minutes (AMM 49-11-00/201).
S 214-028
(4) Look at the EGT indicator. (a) The temperature on the EGT indicator increases and become stable during the APU operation.
S 914-027
(5) Do the APU usual shutdown (AMM 49-11-00/201).
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EXHAUST GAS TEMPERATURE THERMOCOUPLE PROBE - REMOVAL/INSTALLATION
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