14
Troubleshooting and Actions for Power Sprayer
State
(3)
Pressure
decreases if
the delivery
valve is
opened
(4) Spraying hose vibration
(5) Noise
(6) Liquid leak/oil leak
Nozzle worn out
Nozzle
Excessive nozzle spray volume
Power sprayer
Low water intake volume
Too long spray hose
Hose
Too thin spray hose
Water leak from hose connection
Poor pressure regulator motion
Water intake/pressurizing line error
(clogging, looseness)
Nozzle clogged
V pulley fastening bolt loosened
Connection rod bolt, etc. loosened
Bearing broken
Pressure regulator error
Air intake
O-ring damaged
Seal packing damaged
Oil seal damaged
Tightening/assembly error
Cause
Action
Replace
Replace with a proper nozzle
See (1)
Set the proper length
Set the proper thickness
Repair/replace
Disassemble/adjust
Disassemble/adjust
◎
Clean
Retighten/replace
Retighten
◎
Replace
◎
Adjust
Check
◎
Replace
◎
Replace
◎
Replace
◎
Disassemble/adjust
◎