(7)
 Remove and discard the O-ring (5) from the low oil-pressure switch (8091KM) (4).

 Low Oil-Pressure Switch.
 Figure 401/TASK 49-94-14-991-001

 CES

 TASK 49-94-14-400-001
 Installation of the Low Oil-Pressure Switch (8091KM) (GTCP 36-300)

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific container 2 l (0.5283 USgal)
 No specific Torque Wrench : range 0.00 to 1.20 m.daN

 (0.00 to 9.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 03-002  GB DEF-STAN 91-101 LUBRICATING OIL TURBINE ENGINE SYNT BASE (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
o-ring  49-94-04 01A-040

 D. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
 the Ground Connector 49-00-00-860-003 APU Start by External Power (GTCP 36-300) 49-00-00-860-004 APU Shutdown by External Power (GTCP 36-300) 49-90-00-600-001 Check Oil Level and Replenish (GTCP 36-300) 52-41-00-010-001 Open the APU Doors for Access 52-41-00-410-001 Close the APU Doors after Access 49-94-14-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 49-94-14-860-054
 A. Aircraft Maintenance Configuration
 (1)
 On the panel 25VU make sure that the APU MASTER SW pushbutton switch is off.

 (2)
 Make sure that there is a warning notice in the cockpit to tell persons not to start the APU.

 (3)
 Make sure that ground fire extinguishing equipment is available.

 (4)
 Make sure that hydraulic systems are depressurized
 (Ref. TASK 29-00-00-864-001).

 (5)
 Make sure that the access platform is in position below the APU compartment.

 (6)
 Make sure that the APU access doors are open (Ref. TASK 52-41-00-010-001).

 (7)
 Make sure that the container is in position below the
 temperature/pressure assembly (6).

 Subtask 49-94-14-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
 4. Procedure
_________
 (Ref. Fig. 401/TASK 49-94-14-991-001) Subtask 49-94-14-420-050
 A. Installation of the Low Oil-Pressure Switch (8091KM)
 (1)
 Apply a thin layer of lubricant OILS (Material No. 03-002) to the new o-ring (5)

 (2)
 Install the new o-ring (5) on the low oil-pressure switch (8091KM) (4).

 (3)
 Remove the blanking plug from the temperature/pressure assembly (6).

 (4)
 Install the low oil-pressure switch (8091KM) (4) to the
 temperature/pressure assembly (6).

 (5)
 Install the washer (3) and the bolt (2).

 (6)
 Remove the container.

 (7)
 TORQUE the bolt (2) to 0.56 m.daN (49.55 lbf.in).

 (8)
 Remove the blanking cap from the electrical connector (1).

 (9)
 Connect the electrical connector (1) to the low oil-pressure switch (8091KM) (4).

 Subtask 49-94-14-210-050
 B. Do a visual check of the oil quantity. Add oil if the oil level is on or less than the ADD mark on the sight glass (Ref. TASK 49-90-00-600-001).

 Subtask 49-94-14-865-052
 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD.
　
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