Graco Inc 802-777, 800-233 manual Maintenance, ~~~~U~~

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Pwssure Relief Procedure

To reduce the risk of serious bodily injury, including fluid injection and splashing in the eyes, or on the skin, ALWAYS follow this procedure whenever you shut off the pump, when checking or servicing anypart of the system, when installingor changing spray tips, and wheneveryou stop spraying for morethan

10minutes.

1.Engage the gumtrigger safety latch.

2.Turn the pressurewasher off.

3.Remove the power cord from the outlet,

4.Shut off water supply.

5.Disengage the triggersafety latch and trigger the gun to relievepressure, and engage latch again.

1.After using the chemical injector system, it should be flushed out with water or a 50% antifreeze solution if unit will be exposed to freezing temperatures. This is best done by replacing the chemical container@)with a bucket of water or a 50% antifreeze solution. Operate pressure washeras described in start-up. Draw water or antifreeze solution into both chemical lines until it passes through the injector. By flushing the chemical injectorsystem, you will help avoid unnecessary wearand prolong the life of components.

2.Ifthe pressure washerwill beexposedtofreezing temperatures, drainall water out of the pump. If you must storethe pressure washer in freezing temperatures, flush it with a 50% antifreeze solution. This canbe done by placing theend of the inlet hose into a bucket of 50% antifreeze solution. Start the pressurewasher. Trigger the gun for 10 seconds, release the trigger for 10 seconds. Trigger and release about 10 times or untilthe5046antifreezesolutioncomesoutofthe spray tip.

CAUTION

thaw it ina warm room before trying to startit. Do not pour hot wateron the pump; it may crack

3.After each use, wipe all surfacesof the pressure washer with aclean, damp cloth.

4.Perform the appropriate maintenanceSee. the chart ompage 7.

MAINTENANCE

Observing regular maintenance intervals helps ensure that you get maximum performanceand life from your pressure washer.

There is a break-in period for the pump. After changing the oil after thepump's break-in period, the interval between requiredchanges is longer,

If you are operating in dusty conditions, these maintenance checks should be made more often.

INTERVAL

Daily

After first

50 hours of operation.

Each 500 hours of operation or

3months.

WHAT TO DO

Clean water inlet screen. Check pump oil level.

Fill as necessary.

Change pump break-inoil.Use SAE 20W or 30W non-detergent oil*.

Change pump oil30W. Use SAE 20W or non-detergent oil*.

	OIL CAPACITY	TYPE
Pump	15.2 Oz.	SAE 20W or 30W
	1.45 liters)	Non-Detergent*

*SAE 30-weightnon-detergent oil ispreferred.

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802-777 7