High Pressure
Safety Device
engine off and do not use the machine. Call Product Support at 1-800-270-0810.
(Rupture Disc)
This unit is equipped with a high-pressure
safety feature. If the unloader malfunctions the
high-pressure safety device will open and relieve
excess system pressure.
Temperature
This unit is equipped with a
Sensor
temperature sensor that measures water
(Thermistor)
temperature and automatically turns the
burner off when the temperature setting is
reached or is at maximum preset limit.
When the water temperature drops,
the burner automatically reignites.
Thermal Relief
This unit is equipped with a thermal relief valve to protect the pump from
Valve
overheating. The pump continues to work in bypass mode when you are not
spraying. If high temperatures are developed during bypass mode, the thermal
relief valve will open and discharge hot water onto the ground, protecting the pump
from overheating. The thermal relief valve is located on the unloader bypass port.
Spray Gun
The spray gun is equipped with a built-in trigger safety latch to guard against
Safety Latch
accidental trigger actuation.
High Pressure
This unit is equipped with a high-pressure
Limit Switch
limit switch which acts as a primary safety
feature. If the system pressure exceeds the
set pressure limit this device will stop the
burner from firing.
Special Equipment Safety Features
WARNING: If the high-pressure safety device ever discharges water, turn the
00417
High Pressure Rupture Disc
Safety Latch
Fig06830
9
Fig06067
TEMPERATURE SENSOR
Fig06831
HIGH PRESSURE LIMIT SWITCH