This tutorial will guide you through the process of servicing your ARO 66300-XXX 2-Ball style Piston Pump lower pump end.
Item numbers referenced in this tutorial correspond with the item numbers in the lower pump operator's manual.
- Service kit needed for these lower pumps ends include:
637305-X43 for general repair of 66300-XXX lower pump ends.
NOTE: The “X” is a generic character. Please see the complete pump model number and operator’s manual to identify the proper service/repair kit.
Some part materials and appearance will vary depending on lower pump model number.
NOTE: All threads are right hand.
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