2. Limpe a área
Limpe completamente a área ao redor da vedação com um pano ou solvente para remover óleo e detritos acumulados. Isso permitirá acesso e visibilidade mais fáceis para fazer medições. Certifique-se de que a área esteja completamente seca antes de medir.
3. Meça o diâmetro externo
Using your calipers, measure across the outermost diameter of the oil seal in millimeters. This is the oil seal's outer diameter that will need to match the replacement seal you buy. Write this measurement down in your notes.
Take the measurement even with any raised lettering or markings visible on the seal.
4. Meça o diâmetro interno
Next, measure across the inner diameter or shaft opening in the center of the seal. Oil seals have a flexible lip on the inside that creates a tight seal around rotating shafts, so this inside diameter measurement is critical to get right.
Carefully measure the inner shaft opening and record the inside diameter in your notes as well in millimeters.
5.Determine a largura da vedação
A largura de um retentor de óleo também varia dependendo da aplicação. Meça a largura total, incluindo qualquer flange de borracha ou material de montagem, em milímetros. Anote a medida da largura com suas outras leituras. Isso ajuda a determinar se a vedação precisa de uma largura de substituição padrão ou superdimensionada.
6. Identifique quaisquer recursos especiais
Note any unique features or irregularities of the oil seal such as holes, notches, locking devices or uneven flange widths. These key details need special attention when selecting the correct replacement seal.
Make sketches if necessary so you remember these important features for an accurate replacement down to very precise details.
7. Referência cruzada com catálogos
Using the measurements you recorded for outside diameter, inside diameter, width and special features begin cross referencing catalogs and compatibility charts to select the proper replacement oil seal.
Most auto parts stores have extensive cataloging systems to help you zero in on the exact right seal using your measured criteria. Don't estimate or substitute - machine tolerances are so tight. As a result, you need a precise replacement seal.
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