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The versatility of fibre towels extends beyond household cleaning
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(burr, corrosion, etc.), which will directly affect the service life of the oil seal.
Among the most common causes of oil seal failure are:

O-Rings
GV
Over time, piston oil seals may wear out or become damaged due to normal wear and tear, extreme temperatures, or poor maintenance practices. When this happens, oil leakage can occur, leading to decreased engine performance and potential damage to the engine.
Can heat to 200 ℃; Most oils
Developments and issues
The cover is fixed by nuts or bolts on top, or by screws round the edge. Loosen them all and remove them with their washers. If there are several oil-sealing washers under each fixing, note their order.
⑦
Material Code ISO 1629