Special Equipment Safety Features - North Star M157115C.2 Owner's Manual

Hot water/steam pressure washer

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Table Of Contents

Table of Contents

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 Temperature sensor

Sensor

that measures water temperature and automatically

(Thermistor)

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.