Inspect High-Pressure Hoses; Inspect Detergent Siphoning Tube; Inspect Spray Gun; Nozzle Maintenance - Generac Small Pro Manuel De L'utilisateur

Inspect High-Pressure Hoses

High-pressure hoses can develop leaks from
wear, kinking, or abuse. Inspect hoses before
each use. Inspect for cuts, leaks, abrasions,
bulging, and damage
couplings. If these conditions exist, replace
hose immediately.
NOTE: DO NOT repair high-pressure hose.
Replace with hose that meets or exceeds
maximum pressure rating of unit.

Inspect Detergent Siphoning Tube

Inspect filter on detergent tube and clean if
clogged. Tube should fit tightly on barbed
fitting. Examine tube for leaks or tears.
Replace filter or tube if either is damaged.

Inspect Spray Gun

NOTE: Replace spray gun immediately if it
fails any test steps.
Figure 4-3.Test Spray Gun (typical)
1. Verify spray gun hose connection is
secure.
2. Squeeze and release trigger.
NOTE: Trigger should spring back into place
and lock when released.

Nozzle Maintenance

A pulsing sensation felt when squeezing spray
gun trigger may be caused by excessive
pump pressure. Typical causes of excessive
pump pressure are nozzle clog or restriction.
Immediately clean nozzle as follows:
DANGER
Fluid Injection. This machine produces
high-pressure fluid streams that can pierce
skin. Fluid injection will result in death or
serious injury.
1. Turn engine and water supply OFF.
NOTE: Keep high-pressure hose connected
to pump and spray gun while system is
pressurized.
2. Relieve spray gun water pressure.
3. Remove nozzle from lance.
4. See Figure 4-4. Use a paper clip to remove
debris.
5. See Figure 4-5. Remove lance from spray
gun and back flush thoroughly.
6. Install nozzle on lance.
7. Install lance on spray gun.
Owner's Manual for Power Washer
or movement of
000123
(000106)
Maintenance and Troubleshooting
Figure 4-4.Remove Debris
Figure 4-5.Back Flush Lance
8. Verify hose is connected to pump water
inlet, and high-pressure hose is connected
to spray gun and pump.
9. Turn water ON.
10. Start engine.
11. Test power washer by operating with each
quick connect nozzle.

Engine Maintenance

Engine Oil Recommendations

To maintain the product warranty, the engine oil
should be serviced in accordance with the
recommendations of this manual. For your
convenience, Generac Maintenance Kits are
available that include engine oil, oil filter, air
filter, spark plug(s), a shop towel and funnel.
These kits can
Independent Authorized Service Dealer (IASD).
Only high-quality detergent oils classified for
service SJ or higher are recommended. DO
NOT use special additives.
Climate determines
viscosity. See chart to select correct viscosity.
5W-30
Figure 4-6. Oil Viscosity
* Below 50°F (10°C) use of SAE 30 will result
in hard start.
** Above 80°F (27°C) use of 10W30 may
cause increased oil consumption. Inspect oil
level more frequently.

Inspect Engine Oil Level

Inspect engine oil level prior to each use, or
every 8 hours of operation.
1. Place power washer on a level surface.
2. Clean area around oil fill.
000109
000131
be obtained from
proper engine
SAE 30*
10W-30**
000130
an
oil
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