Hitachi XTREME MIX 309521J - Manual (Page 7)

Pressure Relief Procedure
309521J 7
Pressure Relief Procedure
WARNING
Follow Pressure Relief Procedure when you stop
spraying and before cleaning, checking, servicing, or
transporting equipment. Read warnings, page 5.
1. Engage trigger lock.
2. Press Stop .
3. Close main air shutoff valve on air supply line and on
unit. Turn off air regulator.
4. Close fluid sampling and shutoff valves A and B.
5. Disengage trigger lock.
I
O
SUPPLY AIR
PRESSURE
PL U RAL COM PON EN T PROPORTI ON ER
A B
Close Close
Close Close
I
O
PSI Bar MPa
PSI Bar MPa
6. Hold a metal part of the gun firmly to a grounded
metal pail. Trigger gun to relieve pressure.
7. Engage trigger lock.
8. Place waste container under sampling valves, then
open valves A and B slowly to relieve pressure
between pump and metering valves.
9. Close sampling valves A and B.
A B
Close Close
Open Open
Close Close
A B