North Star 1572081, Owner'S Manual

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Unloader
1572091 & 1572092
WARNING: Warranty Void
Do not attempt to alter the unloader valve's
maximum pressure. Excess pressure could
cause serious injury from escaping high-
pressure fluids and/or pump damage. Any
alteration other than turning the adjustment
knob will void your warranty.
10. If temporarily interrupting spraying, rotate trigger
safety latch downward to the locked position to
guard against accidental trigger release.
11. Always turn off the engine and activate spray gun
trigger to relieve system pressure when:

the sprayer is unattended, or

disconnecting hoses, installing/cleaning
nozzles, or servicing the pump.
Shutdown
Stop the engine using the following steps:
WARNING: Injury
Never disconnect the high-pressure hose
from the pump or spray gun while the
system is pressurized. Relieve pressure by
squeezing the spray gun trigger after the
engine is turned OFF.
WARNING: Injury
Always turn off the engine and relieve system
pressure when finished spraying or when
leaving sprayer unattended. Serious injury
could result from unintentional release of high-
pressure spray.
1. Turn engine OFF.
2. Turn water supply OFF.
3. Actuate spray gun trigger to relieve system pressure .
4. Remove garden hose.
5. Remove pressure hose.
6. Remove nozzle from spray gun.
7. Turn gasoline line valve to the OFF position .
8. If chemicals were used, remove chemical injector tube
from the pump.
Safety Latch
Unloader
1572081 & 1572082