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Multi-Pass Method for Evaluating Filtration Performance of Fine Lube Filter Elements Utilized in Aerospace Power and Propulsion Lubrication Systems
- Aerospace Standard
- ARP5454B
- Revised
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This SAE Aerospace Recommended Practice (ARP) describes the multi-pass method for evaluating the filtration performance of fine lube filter elements, commonly utilized in aerospace power and propulsion lubrication systems: gas turbine engines, auxiliary power units (APUs), helicopter transmissions, constant speed drives (CSDs), and integrated drive generators (IDGs).
Rationale
The document is being revised as follows: (1) Notation included that the ISO 4402 reference in 2.3 has been withdrawn. (2) Para. 5.3.3 specifies a new level of cleanliness, more stringent than the original cleanliness level. (3) In Table 1, filter element rating changed from 1000 to 200 for reliable accuracy of filter element rating. (4) Para. 6.3.3 now includes the instruction to clean the fluid as it is more appropriate to have this instruction be a part of this step, as opposed to being a part of 6.3.2. (5) Para. 6.3.5 now includes the instruction to bypass the clean-up filter element. (6) Validation counts in Table 2 updated based upon the results of the ‘ISO Fine Test Dust (ISO FTD) Particle Count Mini-Round Robin’ conducted by ISO, which is more representative of recent lots of ISO FTD. (7) Volume in 6.4.3.2 changed from 500 mL to 100 mL as the larger volume is not necessary given the high gravimetric levels. (8) New 6.4.3.3 inserted which requires a gravimetric analysis be performed on the injection fluid sample collected in 6.4.3.2, prior to performing the multi-pass test, in order to confirm the concentration of the contaminant injection system prior to performing the test. (9) Adjusted the numbering of the paragraphs in 6.4.3 accordingly. (10) Changed the volume in the newly numbered 6.4.3.10 from 500 mL to 100 mL as the larger volume is not necessary given the high gravimetric levels. (11) Included a notation after 6.5.1.5 discussing the necessity of deleting upstream and downstream counts prior to count stabilization. (12) Editorial changes for clarity.
Recommended Content
Topic
Data Sets - Support Documents
Title | Description | Download |
---|---|---|
Unnamed Dataset 1 | ||
Unnamed Dataset 2 | ||
Unnamed Dataset 3 | ||
TABLE 1 | RECOMMENDED PARTICLE SIZES TO BE COUNTED | |
TABLE 2 | VALIDATION COUNTS |
Issuing Committee
AE-5B Aircraft and Engine Fuel and Lubricant Sys Components
Welcome to the AE-5B, Aerospace Fuel, Inerting and Lubriation Systems public forum area.
Scope: Has responsibility for the resolution of problems in either design or service usage of aerospace fuel, oil and oxidizer systems, their components such as valves, pumps, couplings, fuel cells, quantity and flow gages, and tanks, and related problems as presure surger, icing, electrification, and safety. Develops standards addressing fuel, oil and oxidizer systems. For details about SAE's online privacy policy; copyright, content license, and reliability statements; and membership information, click on the link to "Info on Privacy, Copyright, and Membership" link in the folders area below. No copyrighted material may be posted in this forum. SAE is not liable for opinions expressed or information posted to this forum. All information posted becomes the property of SAE.Reference
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