Cleaning System Maintenance, Nozzle Maintenance

BEFOREEACH USE Checkwaterinletscreenfordamage.

•Checkhighpressurehoseforleaks. Checkchemicaltanksandfillersfor damage.

•Check gun and wand assembly for leaks.

•Purge pump of air and contaminants.

•Check engine oil level.

CLEANING SYSTEM MAINTENANCE

Check and Clean Inlet Screen

Examine garden hose inlet screen. Clean if if is clogged or replace if it is tom.

Check High Pressure Hose

High pressure hoses can develop leaks from wear, kinking, or abuse, inspect hose before each use. Check for cuts, leaks, abrasions, bulgingof cover, or damage or movement of couplings, ff any of these conditionsexist, replace hose immediately.

ADANGER: Never repair a high pressure hose. Replace with hose that meets the minimum pressure rating of your cleaningsystem

Check Chemical Reservoirs

Tank covers shouldsnap cleanly onto tank. Ensure chemical labels correctly identifytank contents. Ensure that the System Rinse tank is filled with clean water. Ensure that Dial-A-CleanerTMselector knob

rotates freely between each position.Examine the tanks and replace if the filter is clogged

Check Gun and Wand

Examine:h0se connectionto gun and make sure it is secure. Test trigger by pressing if and making sure it springsback into place when you release it. Put safety latch in UP positionand test trigger. You should not be able to press trigger. Replace gun immediately if it fails any of these tests.

Purge Pump of Air and Contaminants

To remove the air from the pump, follow these steps:

•Set up the cleaning system as described in the ASSEMBLY section and connect the water supply.

•Remove the wand extension from the gun.

•Pull the trigger on the gun and hold until a steady stream of water appears.

To remove the contaminants from the pump, follow these steps:

•Set up the cleaningsystem as described in the ASSEMBLY section, and connect the water supply.

•Remove the nozzle attachment from the gun.

Start the engine according to instructionsin

OPERATION section.

•Pull the triggeron the gun and hold.

•When the water supply is steady and constant,

engage the safety latch and refssten the nozzle attachment.

Nozzle Maintenance

If the nozzle becomes restrictedor cloggedwith foreign materials, such as dirt, excessivepump pressure may develop. A partiallycloggednozzle can cause a pulsingconditionduring use. This generallyis not a pump related problem, but rathera clogged or partiallyrsstdctednozzle.

If the nozzle becomes cloggedor partiallyrestricted, immediately clean the nozzle with the kit includedwith your cleaningsystem by followingthese instructions:

•Shut off the engine and tam off the water supply.

Press triggerto relive water pressure.

•Separate the dual lance from the gun.

•Use the wire includedin the kit or a small paper clip to free the foreign materials cloggingor restrictingthe nozzle.

Insert wire Into nozzle and tum back and forth to clear obstruction.

Remove additionaldebris by back flushingwater supplythroughdual lance (Figure 2). Back flush between 30 to 60 seconds. Back flush both lances

by tuming chemicalvalve handle.

•Reconnectthe dual lance to the spray gun.

•Reconnectthe water supply,turn on the water, and startthe engine.

•Test the cleaningsystem by operatingwith the unit in high and the low pressure.

580.768050 specifications

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