(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).
4. Procedure
_________ Subtask 49-94-00-110-051
A. Cleaning of the Low Oil-Pressure/High Oil-Temperature Switches NOTE : The maintenance practice procedures for the low oil-pressure
____ switch and the high oil-temperature switch are the same.
(1)
Clean the low oil-pressure switch (high oil-temperature switch) with a lint free cloth. Use the solvent CLEANING AGENTS (Material No. 11-002) on the cloth.
(2)
Clean the low oil-pressure switch (high oil-temperature switch) electrical connectors with a soft bristle brush. Use the solvent CLEANING AGENTS (Material No. 11-004) on the brush.
(3)
Let the low oil-pressure switch (high oil-temperature switch) dry.
TASK 49-94-00-200-003
Inspection/Check of the Low Oil - Pressure Switch (8091KM) and High Oil-Temperature Switch (8092KM) (GTCP 36-300)
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action 52-41-00-010-001 Open the APU Doors for Access
3. Job Set-up
__________ Subtask 49-94-00-860-052
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).
4. Procedure
_________
Subtask 49-94-00-210-053
A. Do a visual check of the low oil-pressure switch (high oil-temperature switch) and make sure that:
-the threads on the electrical connectors are not damaged or worn,
-there are no dents or cracks,
-
the bolt-holes in the flange are not extended,
-
the pins of the electrical connectors are satisfactory. Replace the low oil-pressure switch (high oil-temperature switch) if damage is found.
TASK 49-94-00-400-003
Installation of the Low Oil Pressure Switch (8091KM) and High Oil Temperature Switch (8092KM) (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 warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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