Nozzle Maintenance; Pump Maintenance - Briggs & Stratton GENERAC 2400PSI Manual Del Propietário

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3.
Place in-line filter screen into threaded end of nozzle
extension. Direction does not matter. Push screen in
with eraser end of pencil until screen rests flat at
bottom of opening. Take care to not bend screen.
4.
Place o-ring into recess. Push o-ring snugly against
in-line filter screen.
5.
Assemble nozzle extension to spray gun.

Nozzle Maintenance

A pulsing sensation felt while squeezing the spray gun
trigger may be caused by excessive pump pressure. The
principal cause of excessive pump pressure is a orifice
clogged or restricted with foreign materials, such as dirt,
etc. To correct the problem, immediately clean the orifice
using the tools included with your pressure washer and
follow these instructions:
1. Shut off engine and turn off water supply.
2. Detach nozzle extension from spray gun. Twist nozzle
clockwise to stream position. Using 2mm (5/64) allen
wrench, remove orifice from end of nozzle extension
(Figure 15).
Figure 17 — Removing and Cleaning Nozzle
3. Remove in-line filter from other end of nozzle extension.
4. Use wire (or small paper clip) to free any foreign
material clogging or restricting orifice (Figure 15).
5. Using garden hose, remove additional debris by back
flushing water through nozzle extension (Figure 16). Back
flush between 30 to 60 seconds. Turn adjustable nozzle
extension to stream spray and move nozzle from low to
high while flushing.
Figure 18 — Backflushing the Nozzle
Generac Portable Products 2400 PSI Pressure Washer
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, which keep the connections of the hoses and spray
gun tight and leak–free, may become worn or damaged.
Provided with your pressure washer is an O–Ring
Maintenance Kit 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 not all of the parts in the kit will be used
on your unit.
WARNING
The high pressure stream of water that this
equipment produces can pierce skin and its
underlying tissues, leading to serious injury and
possible amputation.
• NEVER repair leaking connections with sealant of any kind.
Replace o-ring or seal.
To remove a worn or damaged o–ring; use a small flathead
screwdriver to get underneath the o-ring and pry it off.

Pump Maintenance

Changing Pump Oil
Change oil every 50 hours or once yearly, whichever
occurs first.
NOTE: Purchase a premeasured bottle of pump oil, item
number 190586GS, by contacting the nearest authorized
service center.
Change pump oil as follows:
1.
Drain engine oil and fuel from pressure washer.
2.
Use a 8mm allen wrench to remove black pump oil cap
between high pressure outlet and garden hose inlet
(Figure 17).
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