HydraMaster CDS 4.6, Owner'S Manual, Page: 25 / 126

operating Instructions: 3-2
CDS START UP
Make sure the vehicle’s gear select lever is in the Park position and the emergency 1.
brake is set
Start the vehicle’s engine.
2.
Turn key on the CDS dash. 3.
Select the cleaning speed appropriate for the cleaning job. 4.
Turn on the PuMP CluTCH switch. Adjust cleaning pressure to desired level. 5.
Turn on the PuMP IN switch (if equipped). 6.
Turn the heat control valve to “Max” only if you will be using water. Do not activate 7.
the heat exchanger during flood extraction work.
Turn the CHeMICAl SySTeM valve to the “PRIMe” position to purge any air from
8.
the system.
The prime hose is plumbed into the recovery tank. leaving the valve in the “PRIMe”
position will cause excessive chemical usage.
When the chemical begins to flow through the flowmeter, with the flow indicator a.
reading maximum flow and the PRIME line pulsing, turn the CHEMICAL SYSTEM
valve to “oN”. Cap off vacuum if necessary.
While spraying the solution from the cleaning tool, adjust the chemical flow by
b.
turning the CHeMICAl MeTeRING CoNTRol to the desired level.
optional: Turn the APo switch ‘oN’ if using the Automatic Pump-out feature. 9.
The pump will not engage until the water level rises inside the recovery tank.
Now proceed with the cleaning operation. 10.
The machine will automatically shut down when it reaches its full capacity due to the float
switch located inside the recovery tank. When this occurs, turn the switch off and empty
the recovery tank. Then, turn the unit back on and continue to clean.
CDS FLOOD RESTORATION WORK
When using equipment for flood damage, adjust the high pressure pump to zero. This will
reduce the engine power load and save on fuel consumption.