North Star M157594I - Manual (Page 36)

Operation
36
9. If temporarily interrupting spraying, rotate trigger safety latch
downward to the locked position to guard against accidental trigger
release.
10. 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.
WARNING:
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.
Step 4. Stopping
Stop the engine using the following steps:
WARNING:
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.
1. If the heater was used, turn heat switch OFF and run cold water through the coil for at least 3
minutes while spraying.
2. Turn engine OFF.
3. Turn water supply OFF.
4. Actuate spray gun trigger to relieve system pressure.
5. Remove garden hose.
Remove pressure hose. If chemicals were used, remove quick connect chemical injector
from the pressure hose and water outlet.
6. Remove nozzle from spray gun.
7. Turn gasoline line valve to the OFF position
.
8. Cool engine at least five minutes before storing – A hot engine is a fire hazard.