HydraMaster Corporation
Page 9-2: Water and Chemical
Boxxer 421
BEFORE CLEANING BEGINS (cont.):
2. When the chemical begins to flow through the flowmeter, with the
flow indicator indicating maximum flow and the PRIME line pulsing, turn
the Chemical Selector Valve to “ON”.
3. Place the Chemical PRIME Line back into the chemical container.
4. While spraying solution from the cleaning tool, adjust the chemical flow by
turning the Chemical Adjustment Knob as necessary.
CHEMICAL SYSTEM MAINTENANCE
The chemical lines may need to be flushed with vinegar periodically to prevent abnor-
mal chemical build-up. This flushing may be done by removing the clear plastic hose
from the chemical jug and inserting it into a one quart container of vinegar. This
should be done with the chemical flowmeter setting 10 GPH. Simply spray water
from the wand until the quart of vinegar is exhausted. Then repeat the process with
one quart of clear water to void all lines of vinegar.
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