Cleaning And Maintenance; Troubleshooting - Nakayama PRO NS5010 Manual

EN

Cleaning and Maintenance

Upon finish of spraying, repeated flushing and pressurized spraying with
clean water at an allowed place is required till the discharged liquid is
clean.
The strainer at the front end of suction hose can be disassembled for
flushing.
The nozzle shall be flushed with water. Never use a hard tool to remove
the impurities in the nozzle holes. Apply some lubricant to the O-ring in
the nozzle after cleaning.
Warehousing
The Sprayer should be stored in a dry place indoor out of reach of children.
The gas inside the tank shall be released before storage. Pressurized storage is prohibited.

Troubleshooting

Problems
Leakage or poor spraying occurs
Pump handle is too heavy to operate
Pump handle is too light to operate
Spray air instead of water
No spray jet or uneven spray jet
6
Causes
· The seal-ring loose or is damaged
· Nozzle strainer or suction strainer is blocked
· Nozzle is blocked
· Piston O-ring insufficiently lubricated
· Too high pressure in the tank.
· Piston O-ring wears off or comes off.
· Water-proof washer comes off
· The suction hose inside the tank comes off
· Clogged
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Solutions
·Re-tighten up or replace
·Clean
·Clean or repair
·Apply lubricant to piston O-ring
·Stop pressurizing. Check the relief valve for
jamming. Repair it if necessary.
·Replace the piston O-ring
·Repair
·Remove the hose cap and take out the suction
hose to tighten.
·Have the suction hose and nozzle check and
cleaned