Graco Inc 308-517 Maintenance, SHUTDOWN, Flushing Storage, Trigger Safety ’ \ Latch Shown Engaged

Trigger Safety Latch

WARNING

rTo reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, ALWAYS engage the trigger safety latch whenever spraying stops, even for a moment.

In the engaged position, the trigger safety latch prevents the gun from being triggered accidentally by hand or if it is dropped or bumped. Be sure the latch is pushed fully down when engaging it or it cannot prevent the gun from being triggered. See Figure 2.

TRIGGER SAFETY ’ \

LATCH SHOWN

ENGAGED \ \

TRIGGER SAFETY

LATCH SHOWN

DISENGAGEDt

Figure 2

MAINTENANCE

Observing regular maintenance intervals helps ensure that you get maximum performance and life from the pressure washer.

There is a break-in period for the pump. After changing the oil initially, the interval between required changes is longer.

r WARNING

To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding.

8308-517

SHUTDOWN, FLUSHING AND

STORAGE

WARNING

Pressure 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 stop spraying for more than 10 minutes, when shutting down, and before checking or repairing any pan of the system.

1.Engage the trigger safety latch.

2.Turn the sprayer off.

3.Disconnect the electrical supply.

4.Shut off the water supply.

5.Disengage the trigger safety latch and trigger the gun to relieve pressure, and then engage the trigger safety latch again.

6.Before long-term (overnight) storage, disconnect the water supply and disconnect the electricity.

1.If the pressure washer will be exposed to freezing temperatures, drain all water out of the pump. If it must be stored in freezing temperatures, flush the unit with a 50% anti-freeze solution. Relieve pressure. Flush the pressure washer before using it again to remove the anti-freeze.

NOTE: An anti-freeze flush kit P/N 802-327 is available to make flushing easier.

2.After each use, wipe all surfaces of the pressure washer with a clean, damp cloth.

3.Perform the appropriate maintenance. See the maintenance chart.

Interval	1What to do	I
Daily	Clean water inlet screen and
I	filter. Check pump oil level. Fill
	as necessarv	I
	Change pump break-in oil. Use
	SAE 20 or 30 non-detergent oil.

IEach 500 hours Change pump oil. Use SAE 20 or I of operation or 30 non-detergent oil.

6 months