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TROUBLE SHOOTING GUIDE
Problem
Low pressure.
Rough operation with loss of
pressure.
Water leakage at intake.
Short pump life.
Irregular spray pattern.
Pump cycles.
Probable Cause
Worn, clogged, or oversized nozzle.
Clogged water inlet strainer.
Inadequate water supply.
Worn or damaged pump.
Dirt or foreign particles in valve assembly.
Air leak in inlet plumbing.
Restricted inlet plumbing or air leak in inlet
plumbing.
Damaged pump.
Clogged nozzle.
Worn pump.
Inadequate water supply to pump, creating a
vacuum lock.
Pump damaged by chemicals.
Running pump without water supply.
Hot water in pump.
Worn or partially clogged nozzle.
Fitting leaking downstream.
Clogged nozzle.
Solution
Clean or replace worn nozzle. Check nozzle size.
Clean or replace strainers.
Make certain water supply valve is on fully. Make certain water
supply hose is at least 5/8" in diameter, in good condition, with
no kinks or damage, and is not longer than 50 ft.
Replace pump.
Remove any dirt particles.
Locate air leak. Re-seal connection or replace damaged port.
Repair clogged inlet fittings. Check supply hose and ensure
adequate water supply.
Replace any damaged pump parts and clean out any foreign
particles.
Clean or replace nozzle.
Repair or replace pump.
Ensure adequate tap water supply. Clear inlet filter.
Repair or replace pump. Do not pump chemicals.
Do not allow jet to be run without proper water supply.
Do not run in bypass for more than 5 minutes. Do not let water
supply exceed 90°F (32°C).
Clean or replace nozzle.
Tighten/replace fitting.
Clean or replace nozzle.
7
Jet-Set JM-1000™
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