Blastmaster
®
Smart Box
22
1) With system depressurized, open Cover (1).
2) Remove Screws (2) to access back of Pressure Display (3).
3) Adjust “Zero” Potentiometer (5) until display reads “000”.
4) Pressurize system.
5) Using an analog pressure gauge, adjust “SPAN” Potentiometer (4) until reading
matches analog gauge.
6) Install Screws (2) and close Cover (1).
MAINTENANCE
Calibrate Digital Pressure Display
Always depressurize
the entire system,
disconnect all power
sources and lockout/
tagout all components
before any maintenance
or troubleshooting is
attempted. Failure to
comply with the above
warning could cause
electrical shock and
inadvertent activation of
equipment resulting in
death or serious injury.
W-562
1
2
2
2
2
3
4
5
