This tutorial will guide you through the process of servicing your ARO 66243-XXX-B Chop-Check 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:
- 637071-XXX-B for general repair of 66243-XXX-B 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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