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3. Garter Spring

A standard oil seal consists of an outer circular metal disk with an inner flexible rubber which is affixed to the metal during vulcanization. The bonded seal has no loose parts to allow leakage of oil or ingress of any contaminants. This kind of seal is more accurate, and can easily be fitted into a smaller space. An example is shown in Figure 2.9.

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You may need to turn the crankshaft so that it protrudes less. Turn the front pulley bolt with a spanner or socket.