Start-Up Procedures; Start The Engine To Power The Pump - North Star 1572081 Owner's Manual

Set Up for Chemical Spray (if desired)
Using the proper cleaning chemical for the application
can speed up cleaning jobs tremendously.
Your pressure washer is equipped with a chemical
injection point on the downstream side of the pump for
introducing cleaning chemicals into the water stream. A
braided chemical hose is provided to connect at this
point. Suction pressure at this connection automatically
draws the chemical solution in through the hose, mixing
in 1 part chemical to 15 parts water. Adequate suction
pressure is created only when the low pressure (black)
spray nozzle is used.
The introduction of cleaning chemicals via the chemical
injection point affords the following advantages:
It protects the pump from damage because no

chemical passes through the pump.
It mixes the cleaning chemical into a low pressure

spray. Cleaning chemicals applied under low
pressure adhere better to the surface being cleaned,
allowing the formula time to react and remove dirt
more effectively.
Note: An external upstream chemical injector is not
recommended for use with this pressure washer, and if
used would obviously alter the 15-to-1 dilution ratio and
may cause pump damage.
CAUTION: Chemicals Containing Muriatic Acid
Certain chemicals, such as bleach or those containing
muriatic acid, will cause pump damage if introduced
upstream through the pump's water inlet and will void
warranty.
WARNING: Chemical Spraying
Never spray acids, corrosives, or abrasive or flammable

liquids. Breathing hazards, surface burns/corrosion, or
fire/explosion could result.
Follow the chemical manufacturer's label instructions for

proper use and handling of the chemical. Understand all
safety hazards and first aid for all chemicals being used.
Always wear protective gloves when handling and cleaning
with chemicals, and wear other protective gear as directed by
chemical manufacturer. Always dispose of hazardous fluids
per local, state, and national guidelines.
Acquire Cleaning Chemical
Use only approved pressure washer chemicals or
chemicals specifically formulated for use with pressure
washers.
CAUTION: Non-approved Chemicals
Non-approved chemicals can damage pressure washer
components (seals, wand, hoses, pump, etc.) and be harmful
to the environment and will void warranty.
Prepare for Chemical Spray (If Planning on Using)
Prepare the pressure washer for chemical spraying
using the following steps:
1. Prepare (dilute) chemical cleaning solution as
required for the job.
(Note: the chemical solution will be automatically
mixed with the water at a ratio of 15 parts water to 1
part chemical solution.)
2. Press the braided chemical hose over the chemical
injector on the pump.
3. Submerge the suction strainer connected to the
braided chemical hose into a bucket containing the
chemical solution.
1572081 & 1572082
Note: Adding accessories (IE: telescoping wands, extra
length of High pressure hose, Non factory triggers) will
affect chemical injector performance or cause it not to
operate at all.

Start-Up Procedures

Start the Engine to Power the Pump.

1. Make sure water supply is connected and primed.
CAUTION: Warranty Void
Running the pump dry will cause damage and
void the warranty.
2. To prevent accidental spraying, engage the safety
latch on spray gun trigger by rotating it to the locked
position.
3. Follow the instructions in the Engine Manual for
starting the engine.
- If the engine doesn't start on the first try,
pressure may build up in the pump. Relieve
pressure by squeezing the spray gun trigger
22
1572091 & 1572092
Chemical Injector/
Adjustment Knob
Braided
hose
Diluted
Chemical
Strainer