S 684-002
 (1)  
Do this task: Drain the APU Oil (AMM 12-22-02/301).

 E.  
Oil Level Sensor Removal

 S 024-022
 (1)  
Do these steps to remove the oil level sensor (2):

 (a)  
Disconnect the electrical connector D95019 (P19) (5) from the oil level sensor (2). 1) Install a cap on the electrical connector D95019 (P19) (5)

 to prevent contamination.
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FWD 
SEE A APU COMPARTMENT 
SEE  B  FWD 
1. PACKING  A 
SENSOR 2. OIL LEVEL 
SPIGOT FLANGE 
3. BRACKET 
7. WASHER 6. NUT  FWD D95019 (P19) CONNECTOR, 4. NUT 5. ELECTRICAL 
B 
Oil Level Sensor Installation Figure 401 

L76114
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 (b)  
Put the container below the oil level sensor (2).

 (c)  
Remove the nut (4) and bracket (3) from the oil level sensor (2).

 (d)  
If it is necessary, move the bracket (3) and its attaching parts away from the oil level sensor (2).

 (e)  
Remove the nut (6), washer (7) and oil level sensor (2) from the load gearbox.

 (f)  
Remove the packing (1) from the oil level sensor (2). 1) Discard the packing (1).

 (g)  
Make sure you install all necessary protection covers.

 (h)  
Remove the container.

 TASK 49-94-03-404-010
 3. Oil Level Sensor Installation (Fig. 401)
_____________________________
 A. References
 (1)  
AMM 12-22-02/301, Auxiliary Power Unit

 B.
Consumable Materials

 (1)  
D00418 Oil - Aircraft Turbine Engine

 C.
Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Packing | 49-94-03 | 01 | 25 | | | 2 | Liquid Level Sensor (Oil Level | | | 23 | | | | Sensor) | | | | 2.......….......…...................................…...........…......….......1

 D.
Access

 (1)  
Location Zones 310 Fuselage - Station 2360 to Station 2792

 (2)  
Access Panels
 317AL APU Access Door - Left
 318AR APU Access Door - Right

 E.
Procedure

 S 424-035
 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 level sensor (2):

 (a)  
Lubricate the new packing (1) with a light coat of oil.

 (b)  
Install the packing (1) on the oil level sensor (2).

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 CAUTION:_______ MAKE SURE THAT YOU CORRECTLY INSTALL THE OIL LEVEL SENSOR.
 IF YOU ALIGN THE OIL LEVEL SENSOR INCORRECTLY, THE OIL
 LEVEL INDICATIONS WILL BE INCORRECT AND CAN CAUSE DAMAGE

 TO EQUIPMENT.
 (c)  Carefully install the oil level sensor (2) in the load gearbox with the washer (7) and nut (6).
　
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