Briggs & Stratton 1900PSI owner manual Engine Maintenance, O-RingMaintenance, Pump Maintenance

Generac Portable Products 1900 PSI Pressure Washer

5.Using garden hose, remove additional debris by back flushing water through nozzle extension (Figure 11). Back flush between 30 to 60 seconds.Turn adjustable nozzle extension to stream spray and move nozzle from low to high while flushing.

Figure 11 — Backflushing the Nozzle

6.Reinstall orifice and in-line filter into nozzle extension. Do Not overtighten orifice with allen wrench.

7.Reconnect nozzle extension to spray gun.

8.Reconnect water supply, turn on water, and start engine.

9.Test pressure washer by operating with nozzle in high and low positions.

O–Ring Maintenance

Through the normal operation of your pressure washer, o–rings are used to keep the connections of the hoses and spray gun tight and leak–free.These o-rings may become worn or damaged.

An O–Ring Maintenance Kit is provided with your pressure washer which includes replacement o-rings, rubber washer and water inlet filter. Refer to the instruction sheet provided in the kit to service your unit’s o-rings. Note that you will not use all of the parts in the kit.

To remove a worn or damaged o–ring; use a small flathead screwdriver to get underneath the o-ring and pry it off.

Change pump oil as follows:

1.Drain engine oil and fuel from pressure washer.

2.Use 8mm allen wrench to remove black pump oil cap, found between high pressure outlet and garden hose inlet (Figure 12).

Figure 12 - Changing Pump Oil

Oil Cap

3.Tilt pressure washer to drain oil into an approved container until it drips slowly from the pump.

4.Tilt pressure washer in opposite direction and empty premeasured pump oil bottle into same opening (a small funnel may be helpful).

5.Install black pump oil cap and tighten firmly.

6.Set pressure washer in upright position. Add fuel and engine oil.

ENGINE MAINTENANCE

See the engine owner’s manual for instructions on how to properly maintain the engine.

Pump Maintenance

Changing Pump Oil

Change oil every 50 hours or once yearly, whichever occurs first.

NOTE: You must purchase a premeasured bottle of pump oil, item number 190586GS, by contacting the nearest authorized service center.

CAUTION

Avoid prolonged or repeated skin contact with used motor oil.

•Used motor oil has been shown to cause skin cancer in certain laboratory animals.

•Thoroughly wash exposed areas with soap and water.

CAUTION! KEEP OUT OF REACH OF CHILDREN. DON'T POLLUTE. CONSERVE RESOURCES. RETURN USED OIL TO COLLECTION CENTERS.

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