AIRPLANE
OPERATIONS
MANUAL
GROUND SERVICING
REVISION 37
1-12-35
Page
1
Code
01
AOM-145/1114
APU OIL SERVICING
APU oil tank servicing is done through the access at the airplane tail
cone which, when open, provides access to a sight glass and an oil
filler cap. The sight glass has a FULL indication which must never be
exceeded.
APPROVED APU OIL TYPES
SPECIFICATION
COMMERCIAL
PRODUCT
SUPPLIER
Aeroshell Turbine Oil 390 Shell
BPTO 2389 Local supplier
Castrol 325 Castrol
MIL-PRF-7808
Mobil Avrex S Turbo 256 Local supplier
Castrol 5000 Castrol
Castrol 5050 Castrol
Calstex Sato 5S Local supplier
BPTO 2197
BPTO 2380
Air BP Lubricants
Hatcol 3211 Local supplier
Mobil Jet Oil II Mobil
Mobil Jet Oil 254 Mobil
Aeroshell/Royco Turbine
Oil 500
Royal Lubricants
Shell
Aeropia
Aero Hardware
Aeroshell/Royco Turbine
Oil 560
Local supplier
Total Aero Turbine Oil 535 Local supplier
Turbonycoil 525-2A Nyco
MIL-PRF-23699
Turbonycoil TN 600 Nyco
CAUTION: • DO NOT FILL THE APU OIL TANK WITH AN OIL OF A
DIFFERENT BRAND FROM THAT WHICH IS IN THE
TANK, EVEN IF THE SPECIFICATION IS THE SAME
(REFER TO THE PLACARD ATTACHED TO THE
ACCESS DOOR).
x DO NOT ALLOW THE OIL LEVEL TO EXCEED THE
"FULL" MARK ON THE SIGHT PLUG. AN OVERFILLED
TANK WILL RESULT IN OIL FOAMING, HIGH
TEMPERATURE, AND LOW OIL PRESSURE.
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