Maruyama MS317 Instruction Manual page 16

14
Preparation and Check – Spraying – Stop
Pressurize
Pressure indicator
・At the start and during operation, be sure to keep the
belt cover attached.
WARNING
Since the rotary part may result in injury to
personnel, be sure to attach the belt cover. If the belt
cover cannot be attached, be sure to take special
considerations e.g. provide a fence around the
working machine.
・Rotate the pressure control valve handle to the
"Pressurize" position.
Handle
CAUTION
・Rotate the pressure control valve handle fully. If the
handle is in a midway and operation is started, the
internal seat will be damaged.
・Make sure that water intake is in progress. If water intake is not
performed (idling is kept) for at least one minute after the start, the
piston packing will be damaged. Again, see Troubleshooting and
Actions on Pages 17 and 18 and repeat the operation.
Pressure value
CAUTION
If the pressure is suddenly increased during two-
person operation, a strong reaction force is given to
the spray apparatus and it is dangerous. Open the
valve after a sign is given in advance from spray
operator.
・When stopping the pump, return the grip to "0", and
Grip
the handle to the "Start" position. A compression
spring is used for pressure adjustment. If a positive
pressure remains in the hose, the pressurized liquid
may come out when removing the pipe.
Stop