168 HyPrecision Predictive waterjet pump Operator Manual 810120
7 – Troubleshooting
Troubleshooting
Leaks
If a fitting leaks after tightening it to the maximum torque value, disassemble the parts. Repair or replace parts that
show deterioration, corrosion, or damage.
Replace the damaged parts.
Make sure that the tubing, the water fittings, and the quick disconnects are not leaking.
Make sure that some of the threads on the high-pressure tubing are visible at the fitting.
The dirty water container is full.
Empty the container. Refer to step 1 of Examine and clean the equipment on page 76.
The dirty water container is missing or misaligned.
Replace or move the container.
Check the transport tube and the SMI tube routing.
Blocked weep holes in the dynamic seal backup or the seal housing cause water to go into the hydraulic system.
Make sure that the weep holes are clean.
Identify the source of a leak and correct the problem.
A leak can cause damage to the water fittings.
The high-pressure water seals and hoops are damaged
Damage to the high-pressure water seals and the hoops is the most common cause of water leaking from the intensifier.
Water dripping from the high-pressure cylinder shows that seal replacement will soon be necessary.
Tubing or fittings are leaking
Water leaks onto the floor or into the pump frame
The transport tubes or SMI tube are disconnected
Water leaks from a weep hole in the dynamic seal backup or the seal housing
Weep holes throughout the high-pressure water system let water escape from leaking parts. A leak can mean that there is a
faulty part, a loose fitting, or a damaged seat.
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