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techtalk:ref:oil07 [2018/12/08 23:31] hippysmack [Filter Media Construction] |
techtalk:ref:oil07 [2019/02/06 04:24] hippysmack [Oil Filter Fitment] |
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| * Whatever media is used, it usually starts out in sheet form and is then folded or pleated to expose more surface area to oil flow. | * Whatever media is used, it usually starts out in sheet form and is then folded or pleated to expose more surface area to oil flow. | ||
| * This is done to increase contaminant carrying capacity and to reduce the pressure differential across the filter. | * This is done to increase contaminant carrying capacity and to reduce the pressure differential across the filter. | ||
| - | * The most common media: ((http://hydraulicsolution.com/2016/11/29/part-4-understanding-oil-filter-specifications-ratings/)) \\ (synthetic media will appear white and felt-like while cellulose will look like orange-brown colored cardboard) https://www.machinerylubrication.com/Read/30697/choose-oil-filter)) | + | * The most common media: ((http://hydraulicsolution.com/2016/11/29/part-4-understanding-oil-filter-specifications-ratings/)) \\ (synthetic media will appear white and felt-like while cellulose will look like orange-brown colored cardboard) ((https://www.machinerylubrication.com/Read/30697/choose-oil-filter)) |
| * **Wire mesh**: constructed of either standard or stainless steel in a woven mesh. \\ Because of the limitations in wire size and construction techniques, they are not available in very fine micron ratings. | * **Wire mesh**: constructed of either standard or stainless steel in a woven mesh. \\ Because of the limitations in wire size and construction techniques, they are not available in very fine micron ratings. | ||
| * **Cellulose**: made from wood pulp. \\ The “paper” used for cellulose filters isn’t much more sophisticated than the paper used for writing. \\ They are however cheap. \\ The downside of this type of media is that it is not very efficient nor do they have a high dirt holding capacity. Cellulose also absorbs water, which may or may not be a benefit. \\ They can be used to remove water from the system, however if this is not the desired effect and there is water in the system, the filter element will still absorb water. \\ The pressure differential will increase and the filter will appear clogged. | * **Cellulose**: made from wood pulp. \\ The “paper” used for cellulose filters isn’t much more sophisticated than the paper used for writing. \\ They are however cheap. \\ The downside of this type of media is that it is not very efficient nor do they have a high dirt holding capacity. Cellulose also absorbs water, which may or may not be a benefit. \\ They can be used to remove water from the system, however if this is not the desired effect and there is water in the system, the filter element will still absorb water. \\ The pressure differential will increase and the filter will appear clogged. | ||
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| + | ====== Filter Fitment ====== | ||
| + | In September of 1995, the MoCo issued a Tech Tip on oil filter fitment. ((HD Technical Tips #43 dated Sept of 1995)) \\ | ||
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| + | All OEM filters are interchangeable between the models (spin-ons). \\ (however we recommend that you use the appropriate filter for the model) \\ | ||
| + | But, there are some things to be aware of if filters are swapped between models. \\ | ||
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| + | - Although Dyna models can use the short filter in place of the long filter, \\ The oiling system capacity would be reduced. | ||
| + | - Long filters cannot be used on EFI models because of the contact with the crankshaft position sensor. | ||
| + | - Eagle Iron oil filters are 1/4" longer than the stock filter. | ||
| + | On some models, you may run into a fitment problem. | ||
| ===== Filter Height ===== | ===== Filter Height ===== | ||
