Amazing Machinery NHP Series, Operator'S Manual, Page: 24 / 26

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AMAZING MACHINERY
2288 Gunbarrel road, Suite 111-151  ChattanooGa, tenneSSee 37421  Phone: 1-800-504-7435 Fax: 1-800-504-7436
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age
Pump Motor Not Running Pump motor switch off Turn on pump motor switch
GFCI tripped Reset and test GFCI
No voltage to machine Check power source
Clogged water nozzle Clean water nozzle
Insufficient voltage/amperage Use proper drop cord
Pump Noisy Air in suction line Check inlet water fittings
Pump valves dirty Clean/replace pump valves
Check valve springs worn Replace check valves
Low pump oil Add SEA 30wt. non-detergent
Pump bearings are worn Replace/rebuild pump
Incoming water too hot Reduce temperature/ambient
Water In Oil High humidity environment Change oil frequently
Oil seal worn Check and replace oil seal
Plunger packing worn Check and replace packing
Water Dripping/Pump Plunger packing is worn Install new packing kit
Plunger retainer oil ring worn Replace oil ring
Cracked ceramics Replace ceramics
Oil Dripping Oil seal worn Check and replace oil seals
Cracked manifold Replace manifold
Fluctuating Pressure Unloader not adjusted Adjust to specifications
Valves worn Replace with valve kit
Dirt or blockage in valve Clean or replace valve
Pump sucking air Check water/detergent supply
Worn plunger packing Replace packing kit
Pump Head Overheating Extended period in bypass Pull trigger gun for water flow
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