Check Valve Cleaning Periodic Maintenance
6 - 10 0070-10-0683 AS3000™ Service Manual
6. Inspect gaskets and secure bottom block:
1. Inspect all internal gaskets and make sure they are seated properly.
2. Secure the bottom block with the original (15) 3mm hex screws:
• Loosely install all (15) screws
• Tighten the screws using the numbered sequence shown below.
FIGURE 6-7 Bottom block screws