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
Exhaust
Battery
Box
Relief
Valve
Engine
Pump
Unloader
Valve
Control Box
Float
Tank
Water
Inlet
Detergent
Valve
Fuel Oil
Tank
Gasoline
Tank
High
Pressure
Hose
Spray
Gun
Generator
120V “G”
Models Only
Detergent Line
w/Screen
Pressure
Nozzle
Spray Wand
Shroud
Hotsy 1200 Operator’s Manual 8.914-366.0 - AL
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