10
Operations
Component Identification
Pump — Develops high pressure by pumping water
volume through nozzle.
Spray Gun — Controls the application of water and
detergent onto cleaning surface with trigger device.
Includes safety latch.
Detergent Metering Valve — Controls detergent
mixture.
Wand — Must be connected to the spray gun.
Safety Relief Valve — Prevents over pressurization
Safety Unloader — By passes the high pressure to low
pressure when spray gun is closed.
High Pressure Hose — Connect one end to water
pump discharge nipple and the other end to spray gun.
Pressure Nozzle — Inserted into wand quick coupler
to develop pressure
Adjustable Thermostat — Prevents water tempera-
ture from exceeding high temperatures. Is not used to
maintain constant temperature setting.
Flow Switch — Turns off burner when spray gun is
closed.
Pump
Safety Unloader
Adjustable
Thermostat
Safety Relief Valve
High
Pressure
Hose
Wand
Pressure
Nozzle
Spray
Gun
Flow
Switch
Detergent
Valve
Manual Operator HOTSY 1265SSD/S 9.808-057.0 - A
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