Specifications

B4030H PRESSURE WASHER OPERATOR’S MANUAL
9
Shark B4030H • Rev. 12/02
sure the oil is changed after the first 25 hours of opera-
tion. After that, replace oil every 3 months or 300 hours
of operation, whichever comes first.
Proper Pump Care:
• Do not pump acids.
• Do not allow pump to run dry.
• Winterize if storing in freezing temperatures, refer to
Storage for details.
• Use a water softener on the water system if known
to be high in mineral content.
• Use only high quality detergents and follow
manufacturer’s mix recommendations.
• Flush the system with clear water immediately
after using detergent solutions.
• Clean filter screen on detergent inlet line periodically.
• Flush the pressure washer system with antifreeze if
storing for an extended period of time, refer to
Storage for details.
Gasoline Engine:
Refer to the provided gasoline engine manual for rec-
ommended maintenance.
Pressure Relief Valve:
The pressure relief valve on this pressure washer has
been factory set and sealed and is a field nonadjust-
able part. For replacement refer to Pump Assembly
illustration on page 13.
WARNING: Tampering with the relief valve's factory
setting may cause personal injury and/or property
damage, and will void the manufacturer warranty.
Unloader Valve:
The unloader valve on this pressure washer has been
factory set and sealed and is a field nonadjustable part.
For replacement refer to Pump Assembly illustration on
page 13.
WARNING: Tampering with the unloader valve's fac-
tory setting may cause personal injury and/or prop-
erty damage, and will void the manufacturer warranty.