B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lint-free cloth
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 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 49-90-00-600-002 Oil Change (Drain Method) (GTCP 36-300) 49-90-00-600-002 Oil Change (Top-Off Method) (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 49-90-00-991-001 Fig. 301 49-90-00-991-004 Fig. 302
3. Job Set-up
__________
Subtask 49-90-00-860-054
A. Aircraft Maintenance Configuration
(1)
Energize the ground service network
(Ref. TASK 24-42-00-861-001).
(2)
On the panel 25VU, make sure that the APU MASTER SW p/bsw is OFF.
(3)
Put a warning notice in the cockpit to tell persons not to start the APU.
(4)
Make sure that hydraulic systems are depressurized
(Ref. TASK 29-00-00-864-001).
Subtask 49-90-00-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41
Subtask 49-90-00-010-050
C. Get Access
(1)
Put the access platform in position below the APU access door 315AL and 316AR.
(2)
Open the APU access doors 315AL, 316AR (Ref. TASK 52-41-00-010-001).
(3)
Set the LIGHT control switch 11LJ to the on position. Subtask 49-90-00-869-050
D.
Use the oil brands and types which follow: SPECIFICATION - MIL-L-7808, TYPE I
-------------------------------------------------------------------------------
AMBIENT TEMPERATURE
APPROVED OIL BRAND-NAME
MINIMUM ---------------------------------------------------------- MAXIMUM---------------------
Aeroshell 390 -54C (-65F) 54C (130F)
Brayco 880 -54C (-65F) 54C (130F)
Castrol 325 -54C (-65F) 54C (130F)
BP/Exxon Turbo Oil 2389 -54C (-65F) 54C (130F)
Castrol 399 --------------------------------------- -54C (-65F) ------------------- 54C (130F)---------------------
SPECIFICATION - MIL-L-23699, TYPE II
-------------------------------------------------------------------------------AMBIENT TEMPERATURE APPROVED OIL BRAND-NAME MINIMUM MAXIMUM -------------------------------------------------------------------------------
Castrol 5000 -40C (-40F) 54C (130F)
BP/Exxon Turbo Oil 2380 -40C (-40F) 54C (130F)
BP/Exxon Turbo Oil 2197 -40C (-40F) 54C (130F)
Hatco 3611 -40C (-40F) 54C (130F)
Mobil Jet Oil II -40C (-40F) 54C (130F)
Mobil Jet Oil 254 -40C (-40F) 54C (130F)
Mobil Jet Oil 291 -40C (-40F) 54C (130F)
Aeroshell Turbine Oil 500 -40C (-40F) 54C (130F)
Aeroshell Turbine Oil 560 -40C (-40F) 54C (130F)
Aeroshell 555 -40C (-40F) 54C (130F)
Royco 899 -40C (-40F) 54C (130F)
-------------------------------------------------------------------------------
AMBIENT TEMPERATURE APPROVED OIL BRAND-NAME Royco 555 -40C (-40F) 54C (130F) Royco Turbine Oil 500 -40C (-40F) 54C (130F) Royco Turbine Oil 560 -40C (-40F) 54C (130F) Castrol 98 -40C (-40F) 54C (130F) -------------------------------------------------------------------------------
4. Procedure
_________ (Ref. Fig. 301/TASK 49-90-00-991-001, 302/TASK 49-90-00-991-004) NOTE : Two methods are used to replenish the APU, the gravity fill method
____
and the pressure fill method. Both methods are described in the
procedures that follow.
Subtask 49-90-00-612-050
A. Check Oil Level and Replenish (Gravity Fill Procedure)
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