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MAINTENANCE
OPERATOR’S MANUAL PRESSURE WASHER
PREVENTATIVE
MAINTENANCE
1.Check to see that the water pump is properly lubri- cated.
2.Follow Winterizing Procedures to prevent freeze damage to the pump and coils.
3.Always neutralize and flush detergent from system after use.
4.If water is known to be high in mineral content, use a water softener in your water system or
5.Do not allow acidic, caustic or abrasive fluids to be pumped through system.
6.Always use our high grade quality cleaning prod- ucts.
7.Never run pump dry for extended periods of time.
8.Use clean fuel: kerosene, No. 1 fuel oil or diesel. Replace fuel filter every 100 hours of operation. Avoid water contaminated fuel as it will seize up the fuel pump.
9.If machine is operated with smoking or eye burning exhaust, coils will soot up, not letting water reach maximum operating temperature. (See section on Air Adjustments.)
10.Never allow water to be sprayed on or near engine or burner assembly or any electrical component.
11.Periodically delime coils as per instructions.
12.Check to see that engine is properly lubricated.
It is advisable, periodically, to visually inspect the burner. Check air inlet to make sure it is not clogged or blocked. Wipe off any oil spills and keep this equipment clean and dry.
The areas around the pressure washer should be kept clean and free of combustible materials, gasoline and other flammable vapors and liquids.
The flow of combustion and ventilating air to the burner must not be blocked or obstructed in any manner. Con- sult factory if vent stacking is going to be used.
MAINTENANCE AND SERVICE
the washer must be stored or operated outdoors under freezing conditions.
During winter months, when temperatures drop below 32°F, protecting your machine against freezing is nec- essary. Store the machine in a heated room. If this is not possible then mix a 50/50 solution of
High Limit Hot Water Thermostat:
For safety, each machine is equipped with a high limit control switch. In the event that the temperature of the water should exceed its operating temperature, the high limit control will turn the burner off until the water cools.
Pumps:
Use only SAE 30W
Cleaning of Coils:
In alkaline water areas, lime deposits can accumulate rapidly inside the coil pipes.This growth is increased by the extreme heat build up in the coil.The best prevention for liming conditions is to use high quality cleaning de- tergents. In areas where alkaline water is an extreme problem, periodic use of our Deliming Powder (part
Deliming Coils:
Periodic flushing of coils is recommended.
1.Fill a container or optional float tank with 4 gallons of water, then add 1 lb. of deliming powder. Mix thoroughly.
12
Unloader Valves:
Unloader valves are preset and tested at the factory before shipping. Occasional adjustment of the unloader may be necessary to maintain correct pressure. Call your local dealer for assistance.
Winterizing Procedure:
Damage due to freezing is not covered by warranty. Ad- here to the following cold weather procedures whenever
2.Remove wand assembly from spray gun and put spray gun into container. Secure the trigger on the spray gun into the open position.
3.Attach a short section
4.After circulating solution flush entire system with fresh water. Reinstall wand assembly to spray gun.