11
Operations
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.
Detergent Valve
— Allows you to siphon and mix
detergents
Wand
— Must be connected to the spray gun.
Relief Valve
— Safety device preventing over
pressurization
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.
Bend Restrictor (Shroud)
— This shroud has different
lengths depending on pressure. The largest shroud
must be connected to the spray gun to protect operator
if hose becomes separated.
Burner
Exhau
s
t
Battery
Box
Relief
Valve
Engine
Pump
Unloader
Valve
Control Box
Float
Tank
Water
Inlet
Detergent
Valve
Fuel Oil
Tank
Ga
s
oline
Tank
High
Pre
ss
ure
Ho
s
e
Spray
Gun
Generator
120V “G”
Model
s
Only
Detergent Line
w/Screen
Pre
ss
ure
Nozzle
Spray Wand
Shroud
Hotsy 1200 Operator’s Manual 8.914-366.0 - AL