Troubleshooting
160 811390 Operator Manual DynaMAX 550P/560P/575P Waterjet Pump
No Is the output temperature hot?
Yes Inspect the high-pressure poppet.
No Inspect the low-pressure poppet.
• Examine the low-pressure poppet and the
check valve body.
• Make sure that the mating surfaces are clean
and smooth with a mirror like finish.
• Repair or replace the low-pressure poppet.
• Repair or replace the poppet retainer.
• Make sure that the low-pressure poppet fits
in the poppet retainer without sticking. Shake
the assembly and listen for the poppet
moving inside.
Is the overstroke is to the left? A poppet is sticking, worn, or damaged.
• Check the low-pressure poppet on the left
side of the intensifier.
• Check the high-pressure poppet on the right
side of the intensifier.
Is the overstroke is to the right? A poppet is sticking, worn, or damaged.
• Check the low-pressure poppet on the right
side of the intensifier.
• Check the high-pressure poppet on the left
side of the intensifier.
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