5
Pressure relief valve
assembly
1. Remove the power cord without pulling it off,
unscrew the two screws at the bottom, and remove
the pump head from the frame.
2.Unscrew the four self-tapping screws on the pump
cover and separate the rear housing and pump
cover. Unplug the pressure regulator valve cable.
Rotate the pressure regulating valve
counterclockwise to expose the bayonet surface,
and use an adjustable wrench to unscrew the
pressure relief valve assembly.
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