AEROSHELL Oil 100

AeroShell straight mineral oils are blended from selected high viscosity index base stocks. These oils do not contain additives except for a small quantity of pourpoint depressant (which is added when improved fluidity at very low temperature is required) and an anti-oxidant.

Main Applications

• AeroShell Oils are available in four different viscosity grades: AeroShell Oil 65 – AeroShell Oil 80 – AeroShell Oil 100 -AeroShell Oil 120.
• The suffix for each grade corresponds to the viscosity of the oil at 2100F in Saybolt Universal Seconds.
• The appropriate grades of these AeroShell Oils are approved for use in four-stroke cycle (four-cycle) certified aircraft reciprocating piston engines (except Porsche)andother aircraft radial engineswhichuse oil to specificationSAE J-1966 (MIL-L-6082) and which do not require use ofan oil containing a dispersant additive. AeroShell Oils areused primarily during break-inof most new or recentlyoverhauled four-stroke cycle aviation piston engines. Theduration and lubrication recommendations for break-in vary,so operators should refer to the original enginemanufacturer and/or overhaul facility for specificrecommendations.

Specifications, Approvals & Recommendations

• The U.S. Specification SAE J-1966 replaces MIL-L-6082E.
• Although it was planned to replace the British Specification DERD 2472 with a DEF STAN specification this has now been put into abeyance and instead the SAE specificationhas been adopted.
• U.S. : Approved J-1966 SAE Grade 50
• British : Approved J-1966 SAE Grade 50
• French : (AIR 3560/D Grade SAE 50)
• Russian : MS-20
• NATO Code : O-117 Obsolete
• Joint Service Designation : OM-270 ( ) indicates the product is equivalent to specification.

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AeroShell Landing Gear Fluid (LGF)

AeroShell Landing Gear Fluid (LGF) is a mineral hydraulic fluid (MIL-PRF-5606) to which additional additives have
been added to improve the extreme pressure characteristics and the fluid’s natural lubricity. The lubricity agent
provides a stable thin film layer to the metal surfaces at mild operating conditions. When severe conditions exist
(landing/ touchdown), the extreme pressure additive supplies the load carrying needed at the metal-to-metal surfaces to prevent the occurrence of such phenomena as “ladder cracking” and “slip stiction” of the piston component of the landing gear. AeroShell LGF is AeroShell Fluid 41 plus additives.

Main Applications

• The excellent low temperature properties of AeroShell LGF make it particularly suitable in areas of low temperature operations.
• AeroShell LGF is straw yellow in colour.

Specifications, Approvals & Recommendations

AeroShell Landing Gear Fluid (LGF) is not covered by any military specification.

• McDonnell Douglas Approved DPM-6177
• Boeing Approved BMS 3-32C (AeroShell LGF is approved to Type II)
• Lockheed L1011 Tristar
• Airbus CML Code 02-004A (SSF)

For use in the landing gear shock struts of other aircraft, operators must check with the respective manufacturer first.

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AEROSHELL GREASE 7

AeroShell Grease 7 is an advanced multi-purpose grease, composed of a synthetic oil thickened with Microgel®, possessing good load carrying ability over a wide temperature range. It is inhibited against corrosion and has excellent resistance to water.

Main Applications

• AeroShell Grease 7 satisfies nearly all the airframe grease requirements of turbine engined aircraft and also those of piston engined aircraft provided that seal incompatibility does not occur. Most civil aircraft manufacturers approve AeroShell Grease 7 as a general purpose grease either by brand name or by specification. It is recommended for lubricating highly loaded gears, actuator screw mechanisms, etc., also for instrument and general airframe lubrication within the temperature range of –73⁰C to +149⁰C.

Specifications, Approvals & Recommendations

• U.S. : Approved MIL – PRF-23827C
• COMAC Approved to QPL-CMS-OL-302

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AEROSHELL Grease 64

AeroShell Grease 64 comprises AeroShell Grease 33 fortified with 5% molybdenum disulphide. It possesses the enhanced anti-wear and anti-corrosion properties of AeroShell Grease 33 with the added EP (Extreme Pressure) properties provided by the addition of a solid lubricant. The useful operating temperature range is –730C to +1210C.

Main Applications

AeroShell Grease 33 has established itself as the answerto most of the airframe’s General Purpose, airframegreasing requirements, being approvedfor use in Boeing,Airbus and many other aircraft types.It sets the standardwith exceptional anti-corrosionand anti-wearperformancewhile allowingaircraft operators to shrink their greaseinventory and reduce the risk of misapplication.However,there remainsasmall numberof highly loaded, slidingapplications on the airframe wherethe additional boost ofmolybdenum disulphidewill alwaysbe required.Toaddress this need, Shell Aviation has developed AeroShellGrease 64. Sharingthe same advanced greasetechnologyas its parent, AeroShell Grease 64 also possessestheextreme pressure (EP) characteristics providedbymolybdenum disulphide.

Specifications, Approvals & Recommendations

• COMAC Approved to QPL-CMS-OL-311
• Approved MIL-G-21164D (US)
• Approved DEF STAN 91-57
• Equivalent DCSEA 353/A (French)
• NATO Code G-353
• Joint Service Designation XG-276

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AEROSHELL Grease 6

AeroShell Grease 6 is a general purpose grease composed of a mineral oil thickened with Microgel®, possessing good all-round properties within a limited range. It is inhibited against oxidation and corrosion and has good water resistance and low noise capability.

Main Applications

• AeroShell Grease 6 is a general purpose airframe grease for use in antifriction bearings, gearboxes and plain bearings within the temperature range of –40⁰C to +121⁰C.

Specifications, Approvals & Recommendations

• U.S. : Approved MIL-PRF-24139A, Meets MIL-G-7711A (Obsolete)

• British : Approved DEF STAN 91-12

• French : Equivalent DCSEA 382/A

• NATO Code : G-382

• Joint Service Designation : XG-271

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AEROSHELL Grease 33

AeroShell Grease 33 is a synthetic universal airframe grease composed of a lithium complex thickened synthetic base oil with corrosion and oxidation inhibitors and load carrying additives. The useful operating temperature range is –730C to +1210C.

Main Applications

• For many years aircraft operators have been seeking to rationalise the greases used on aircraft and to reduce the number of different greases in their inventories. Recently Boeing began research on a new, general purpose, corrosion- inhibiting grease. The aim was for a non-clay based grease that would provide longer life for components and mechanisms and possess improved wear and corrosion resistance. This led to the introduction of the new Boeing Specification BMS 3-33B.

• Owing to the wide range of operating temperatures, loads and other environmental conditions required for various aircraft components, several different types of grease with different desirable properties are used during routine lubrication of aircraft components. Boeing, in developing their BMS 3-33B specification, took account of the properties of the different grease types used on aircraft and wrote a specification for a grease which would provide improved performance and which could be used in the widest possible range of grease applications.

• AeroShell Grease 33 is approved to BMS 3-33B and offers the improved performance properties required by this specification.

• AeroShell Grease 33 can be used for routine lubrication on Boeing aircraft where MIL-PRF-23827C or BMS 3-24 is specified. AeroShell Grease 33 can also be used in some applications on Boeing aircraft which require use of MIL-G- 21164. Other applications on Boeing aircraft which require use of MIL-G-21164 and other greases are being reviewed and in due course Boeing will issue details of the full range of applications. For the current status, refer to the latest issue of Boeing Service Letter “BMS 3-33B General Purpose Aircraft Grease”.

• AeroShell Grease 33 can be used for routine lubrication in applications where MIL-PRF-23827C is specified on aircraft manufactured by McDonnell Douglas, Airbus, BAe Regional Aircraft, Canadair, Lockheed, Embraer, Fokker and Gulfstream (except for wheel bearings, applications above 121⁰C and sliding applications requiring molybdenum disulphide).

• Other aircraft manufacturers are evaluating AeroShell Grease 33 with the aim of approving it for use on their aircraft. Operators should regularly check with these manufacturers for the latest status.

• Use of AeroShell Grease 33 can provide operators with the following benefits:

• Reduced inventories; Reduced maintenance labour costs; Less chance of product mis-application.

Specifications, Approvals & Recommendations

• U.S. : Approved MIL-PRF-23827C (Type I )

• Boeing : Approved BMS 3-33B

• Airbus: Approved AIMS 09-06-002

• COMAC Approved to QPL-CMS-OL-302

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