Fig. 63.7
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Lightly deburr the edges of the gear teeth as see in Fig. 63.7 with a fine file is recommended if the pump is going to be used for high RPM running. |
Fig. 63.8
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This modification is to drill two holes as shown in Fig. 63.8 each one-third up from the gear end in the "valley" of the gear. This will help to lube the gear post during high RPM operation. Be sure to deburr the bore where the drill passes through the gear. |