Specifications

SECTION I
DESCRIPTION AND SPECIFICATIONS
MODEL 560
HYDRAULIC FLUID
Approved Fluids: Use Skydrol 500A, B, B-4, C or LD-4; or Hyjet, Hyjet W, III, IV, IVA, or IVA Plus only.
OIL
The following oils are approved for use:
MOBIL JET OIL II EXXON TURBO OIL 2380 AEROSHELL TURBINE OIL 500
MOBIL JET OIL 254 CASTROL 5000 AEROSHELL TURBINE OIL 560
BP TURBO OIL 2380 ROYCO TURBINE OIL 500 ROYCO TURBINE OIL 560
In addition, oils listed for the engine in the latest revision to Pratt & Whitney Canada Inc. Engine
Maintenance Manual are approved.
CAUTION
WHEN CHANGING FROM AN EXISTING LUBRICANT FORMULATION TO
A “THIRD GENERATION” LUBRICANT FORMULATION (AEROSHELL
TURBINE OIL 560 OR MOBIL JET 254), THE ENGINE MANUFACTURER
STRONGLY RECOMMENDS THAT SUCH A CHANGE SHOULD ONLY BE
MADE WHEN AN ENGINE IS NEW OR FRESHLY OVERHAULED. FOR
ADDITIONAL INFORMATION ON USE OF THIRD GENERATION OILS,
REFER TO THE ENGINE MANUFACTURER’S PERTINENT OIL SERVICE
BULLETINS.
Should it be necessary to replenish oil consumption losses when oil of the same brand (as tank
contents) is unavailable, then the following requirements apply:
For contingency purposes, oil replenishment using any other approved oil brand listed is acceptable
provided:
1. The total quantity of added oil does not exceed two U.S. quarts in any 400-hour period.
2. If it is required to add more than two U.S. quarts of dissimilar oil brands, drain and flush complete
oil system and refill with an approved oil in accordance with Engine Maintenance Manual
instructions.
Should oils of non-approved brands or of different viscosities become intermixed, drain and flush
complete oil system and refill with an approved oil in accordance with Engine Maintenance Manual
instructions.
I 1-14 Configuration AA 56OMB-01