9
Safety
Component Identification
Pump
— Delivers a specific gpm to the high pressure
nozzle which develops pressure.
Spray Gun
— Controls the application of water and
detergent onto cleaning surface with trigger device.
Includes safety latch.
Unloader Valve
— Safety device which allows
pressure to be released when spray gun is closed.
High Pressure Hose
— Connect one end to water
pump discharge nipple and the other end to spray gun.
Adjustable Thermostat
— Safety control which
prevents temperatures from going above adjustable
setting.
Wand
— Must be connected to the spray gun.
NOTE:
If trigger on spray gun is released for more
than 2 minutes, water will leak from valve. Warm
water will discharge from pump protector onto floor.
This system prevents internal pump damage.
High
Pressure
Hose
Water Supply
(Not Included)
Engine Fuel
Tank
Burner Fuel
Tank
Engine
Wand
Burner
Battery Box
Water Inlet
Adjustable
Thermostat
Unloader
Valve
Pump
Float Tank
Spray Gun
Karcher HDS 615-617 Operator’s Manual 9.800-103.0 - V
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