North Star 157394 - Manual (Page 6)

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INSTALLATION INSTRUCTIONS
If installing the R
ANGER
157394 indoors or in an enclosed area, observe the following guidelines:
- Operate the unit on a level surface to ensure proper lubrification to the water pump.
- Be certain the ambient temperature of the environment does not exceed 100°F. This ensures adequate air
supply for the burner,
- Do not expose the unit to rain, snow or freezing temperatures.
- Do not install where dust, vapors or combustible materials will be present.
PRE-OPERATION CHECK
CLOTHING
Proper clothing is essential for your safety. Use whatever is necessary to protect your eyes, ears, feet and skin.
Additional safely accessories (like a respiratory mask) may be required when using detergents with this washer.
PUMP
Check pump oil level at least once a week. Open the cover hood on the unit, remove oil plug. Oil level should be
2 mm from elbow surface. If oil is needed, fill with SAE 80-90, non-detergent oil. Do not overfill.
WATER SUPPLY
1. Connect the water supply to the 314” female garden hose swivel on the water inlet port of the unit.
Connect the other end of the hose to the pressurized water supply. The supply hose should have a
314” inside diameter (ID) and be no longer than 50 feet.
2. The water supply pressure must be a minimum of 20 pounds per square inch (PSI) and a
maximum of 125 PSI. The flow rate must be at least 3 gallons per minute (GPM).
3. Use a water softener if there is high mineral content in the water of your area. High mineral
content causes excessive scale build-up in the coil/heat exchanger.
4. Connect one end of the high pressure discharge hose to outlet port on the pressure washer and
the other end to the wand/gun assembly.
!
Be sure all connections are securely tightened.
Sudden release of high pressure streams can cause serious injury.
3/4"
3/4"