(d)
Make sure you install all necessary protection covers.
TASK 49-94-01-404-020
3. Oil Temperature Sensor Installation (Fig. 401)___________________________________
A. Consumable Materials
(1)
D00418 Oil - Aircraft Turbine Engine
B.
Parts
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FWD
APU COMPARTMENT SEE A
A SEE B FWD
HOUSING OIL SENSOR
1. ELECTRICAL CONNECTOR, D95005 (P5) 3. PACKING SENSOR TEMPERATURE 2. OIL B FWD
Figure 401 Oil Temperature Sensor Installation
F59087
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MAINTENANCE MANUAL
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 2 | Main Oil Temperature Sensor | 49-94-01 | 01 | 5 | | | 3 | Packing | | | 10 | 2.......….......…...................................…...........…......….......1
C. Access
(1)
Location Zones
221 Control Cabin - Left
222 Control Cabin - Right
310 Fuselage - Station 2360 to Station 2792
(2)
Access Panels
317AL APU Access Door - Left
318AR APU Access Door - Right
D.
Procedure
S 424-022
CAUTION: REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY.
_______ IF YOU DO NOT REMOVE THE PROTECTION COVERS, DAMAGE TO THE APU CAN OCCUR.
(1)
Do these steps to install the oil temperature sensor (2):
(a)
Lubricate the new packing (3) with a light coat of oil.
(b)
Install the packing (3) on the oil temperature sensor (2).
(c)
Install the oil temperature sensor (2) in the oil sensor housing. 1) Tighten the oil temperature sensor (2) to 65-75 inch-pounds
(7.3-8.5 newton-meters).
(d)
Do these steps to connect the electrical connector D95005 (P5)
(1)
to the oil temperature sensor (2):
1) Connect the electrical connector D95005 (P5) (1) to the oil temperature sensor (2).
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747-400 MAINTENANCE MANUAL
2) Tighten the coupling ring on the electrical connector D95005 (P5) (1) until the electrical connector is at the bottom of the receptacle and the connection is tight.
3) Make sure the electrical connection is not loose when you move the APU harness.
E. Put the Airplane Back to Its Usual Condition
S 864-015
(1)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P6-2 Main Power Distribution Panel
1) 6K18, APU ALTN CONT
(b)
P83 Aft APU Equipment Control and Circuit Breaker Panel 1) APU PRIME CONT
S 864-016
(2)
Remove the DO-NOT-OPERATE tag from the APU control switch on the P5 overhead panel.
S 414-024
(3)
Close the left APU access door, 317AL, and right APU access door, 318AR:
(a)
Remove the two quick-release pins, disconnect the two hold-open rods and put the two hold-open rods in the two clips on the right access door.
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