Maruyama MS331 Manual De Instrucciones página 5

Precautions
Thank you very much for your purchase this time. Needless
to say, no matter how excellent the quality of the product
may be it won't display its maximum potential performance
unless operated properly.
Read this instruction manual repeatedly prior to operation in
order to make the best use of the product.
Power sprayers are for agricultural or irrigation uses and not
for industrial use. Therefore, do not use chemicals, seawa-
ter, hot water, etc. When agrichemicals are used, read and
follow the instruction manual for chemicals.
You had better go and ask our dealer nearby or shop you
purchased from for further information and questions you
have on the product.
When pump fails to suck liquid.
When pressure fails to get accumulated...
● Inspect belt for
tension.
15 〜 20mm
❶
Open main cock.
❷
Once pump sucks liquid.
❸
Close main cock.
● Inspect pressure regulating
valve for wear.
Valve seat
Valve ball
When hoses are vibrating themselves...
Hose vibration occurs when air is released out of air-cham-
ber. It will stop if you let air send forth as following proce-
dural.
❶
❸
❹
● Replace wrong nozzle for proper one.
When nozzle orifice is big �� Make orifice smaller.
When spray is voluminous �� Make spray less
Choose right nozzle so that its spray vol-
ume fails on about 80% (but not more
than 80%) of suction volume.
— 4 — — 0 —
❷
Release pressure
Lift suction strainer once to let
it suck air for about 10 sec-
onds and plunge it into water
again.
❺
Pressure indicator
Pressure
voluminous.
value