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Airworthiness Notice - B051, Edition 1 - 26 January 2000
ESSO UNIVIS J13 Hydraulic Fluid
Purpose
This notice is to advise all operators and maintainers
to ensure that any UNIVIS J13 hydraulic fluid they may have in stock and
intended for use on aircraft meets the appropriate specification.
Background
There are two versions of UNIVIS J13 hydraulic fluid presently in the field:
- ESSO
UNIVIS J13, imported by Imperial Oil (discontinued) which meets MIL-H-5606A;
and
- ESSO UNIVIS J13, made in Canada which does not meet MIL-H-5606A.
Imperial Oil Canada Ltd. has confirmed that changes in
the formulation of ESSO UNIVIS J13 hydraulic fluid manufactured in Canada
resulted in the fluid no longer meeting the MIL-H-5606A specification. In
particular, this formulation does not meet the low temperature viscometrics
required for aviation application.
As shown in the accompanying table, there is little difference in labeling between
the two products. This has led to
several operators inadvertently obtaining and using the incorrect product.
Only J13 bottles displaying the MIL specification on the label should be
used in an aviation application.
PRODUCT
|
ESSO
UNIVIS J13
MIL-H-5606A
|
ESSO
UNIVIS
NOT
MIL-H-5606A
|
Bottle
|
Black
plastic
|
Black
plastic
|
Front
Labeling
(English
portions only)
|
[“ESSO”
logo]
UNIVIS
J13
HYDRAULIC FLUID
|
[“ESSO” logo]
UNIVIS
J13
HYDRAULIC FLUID
|
Back
Labeling
(English
portions only)
|
[“ESSO” logo]
UNIVIS
J13
HYDRAULIC
FLUID
Petroleum-base,
low-temperature
hydraulic
oil.
MEETS THE
REQUIREMENTS OF
U.S.
MIL-H-5606A AND NATO H-520.
IMPORTED
BY IMPERIAL OIL
TORONTO,
ONTARIO
[“EXXON” logo]
|
UNIVIS
J13
HYDRAULIC
FLUID
Petroleum-base, low-temperature
hydraulic oil.
Licensed to:
IMPERIAL OIL
TORONTO, ONTARIO M5W
1K3
Made in Canada
[“EXXON” logo]
|
Further information on the hazards of incorrectly
identifying or mixing aircraft fluids is presented in the current edition of
Airworthiness Notice B048.
For more information please contact Imperial Oil Canada Ltd., Product Support.
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