Component Identification - Hotsy 555HE Operating Instructions And Parts Manual

Oil burner
assembly
Handle
Pump
High pressure
outlet
Garden hose
(not included)
Detergent
line
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.
Detergent Injector — Allows you to siphon and mix
detergents.
Wand — Must be connected to the spray gun.
High Pressure Hose — Connect one end to water
pump high pressure discharge nipple and the other
end to spray gun.
Unloader Valve — Safety device which, when the
spray gun closes, prevents over pressurization (Not
Shown.)

COMPONENT IDENTIFICATION

Motor
Fuel oil
tank
High Wand
pressure
nozzle
Manual Hotsy, 500 Series • 9.808-383.0
Relief valve
Pump
switch
Burner
switch
Adjustable
thermostat
Unloader
valve
Detergent
valve
Water
inlet
Spray gun
Relief valve — Secondary pressure release in the
unlikely event the unloader valve fails.
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.
Oil Burner Assembly — Converts fuel oil from a liquid
state into a combustible mixture.
Hose Reel Bracket — Mounts optional hose reel.
Note: If trigger on spray gun is released for more
than 2 minutes, water will leak from the pump
protector. Warm water will discharge from pump
protector onto floor. This system prevents internal
pump damage.
Burner exhaust
Hose reel
bracket
Brake
High pressure
hose
Coil
9