North Star M157594I - Manual (Page 23)

Before Each Use
23
Never attempt to attach ductwork to the engine muffler or burner exhaust
to allow for installation inside an enclosure. This could cause hot air
deflection, heat build-up, and increased exhaust back-pressure, resulting
in possible exhaust leakage or overheating and damage to the pressure
washer.
2. Away from
combustible
dust, liquids,
or vapors Do not locate and use the pressure washer in the presence of flammable
vapors, dust, gases, or other potentially combustible materials. Burner is an
open flame, which can ignite airborne dusts and flammable vapors. Operate only
where open flame or torch is permitted.
3. Adequate
ventilation
airflow The pressure washer needs adequate, unobstructed flow of air to allow for
proper combustion and adequate cooling. Proper combustion can only be
obtained when there is a sufficient supply of oxygen available for the amount of
fuel being burned. Cooling ventilation is required to prevent overheating of the
pressure washer and possible fire.
 Situate so there is adequate clearance around pressure washer to allow for
airflow – at least 7 feet from any non-combustible wall or obstruction.
 Never place any objects against or on top of the pressure washer.
 Do not operate with a tarp, blanket, or cover surrounding the pressure
washer.
4. Hot exhaust
clearance The exhaust gas from your pressure washer is extremely hot and can cause
combustible materials to catch on fire.
 Make sure both the engine exhaust and burner exhaust are at least 7 feet
from all combustible materials and buildings/structures during operation.
 Equip the engine with a spark arrestor if the pressure washer will be used
near any ignitable forest, brush, or grassy land. (See the engine manual
provided with this equipment to determine if the engine is already
equipped.) Make sure you comply with applicable local, state, and federal
codes.
 Keep a fire extinguisher rated "ABC" nearby. Keep it properly charged and
be familiar with its use.
5. Firm, level,
heat-resistant
surface with
nearby water
supply The pressure washer should be positioned on a firm, level (less that 3 degree
slope), heat-resistant surface with good drainage and a nearby water supply.
The pressure washer should be placed within garden hose distance of a
continuous water supply. Ensure that the pressure washer sits level and will not
slide or shift during operation. If applicable, block the pressure washer's wheels
to prevent movement. Surface should be heat resistant if you will be using the
burner for heated spray.