Preventive maintenance
100 811390 Operator Manual DynaMAX 550P/560P/575P Waterjet Pump
Parts, tools, and materials
1. Use an open-ended wrench to loosen the output adapter. Remove the output adapter from the
check valve.
2. Use a cotton-tipped applicator to guide the high-pressure poppet seat out of the check valve.
Tap the output adapter gently on a wooden or other soft surface to eject the poppet from the
output adapter.
Remove the high-pressure end cap
Parts, tools, and materials
1. Remove the end cap nuts.
2. Pull the high-pressure end cap off.
3. Remove the end cap gasket.
Clean towels
Isopropyl alcohol
1-inch open-ended wrench
Cotton-tipped applicator
1 Stud
2 Low-pressure water fitting
3 High-pressure end cap nut
4 High-pressure end cap
Clean towels
Isopropyl alcohol
Square drive socket, 1-1/2 inch × 3/4 inch (included in the
1-12084 DynaMAX 5-series standard Tool kit.