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➨ Unscrew hose nozzle, or coupling with hose
nozzle, using an open-ended wrench.
➨ Unscrew elbow tting with silencer at the
outlet of the pump.
➨ Depending on BVC version, remove con-
nection tubing at the hose nozzle or detach
quick coupling.
➨ Remove bottle from support.
➨ Unscrew cover, paying attention to washers.
Cleaning and inspecting the pump heads
➨ Fix cover plate at the pump housing using
adhesive tape.
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