Section 4 Maintenance And Troubleshooting; Maintenance; Maintenance Schedule; Preventive Maintenance - Generac PRO 6712 Mode D'emploi

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Maintenance and Troubleshooting

Section 4 Maintenance and Troubleshooting

Maintenance

Regular maintenance will improve perfor-
mance and extend engine/equipment life.
Generac Power Systems, Inc. recommends
that all maintenance work be performed by an
Independent
Authorized
(IASD). Regular maintenance, replacement,
or repair of the emissions control devices and
systems may be performed by any repair shop
or person of the owner's choosing. To obtain
emissions control warranty service free of
charge, the work must be performed by an
IASD. See the emissions warranty.
Power washer warranty does not cover items
subjected to operator abuse or negligence. To
receive full warranty value, operator must
maintain power washer as instructed in this
manual, including proper storage as detailed
in Storage.
NOTE: Call 1-888-GENERAC (1-888-436-
3722)
with
questions
replacement.
NOTE: All required service and adjustments
should be each season, as detailed in
Maintenance
Schedule.

Maintenance Schedule

Follow
maintenance
whichever occurs first according to use.
NOTE: Adverse conditions will require more
frequent service.
First 5 Hours
Change engine oil
Every 8 Hours or Daily
Inspect/clean water inlet screen*
Inspect high-pressure hose
Inspect detergent siphoning hose/filter
Inspect spray gun and assembly for leaks
Clean debris
Inspect engine oil level
Inspect pump oil level
Every 50 Hours or Every Season
Check/clean water inlet screen**
Check/clean air filter**
Change pump oil**
Change engine oil**
Inspect muffler and spark arrester*
Every 100 Hours or Every Season
Service spark plug
12
Service
Dealer
about
component
schedule
intervals,
* Clean if clogged. Replace if perforated or
torn.
** Service more often under dirty or dusty
conditions.

Preventive Maintenance

Dirt or debris can cause improper operation
and equipment damage. Clean power washer
daily or before each use. Keep area around
and behind muffler free from combustible
debris. Inspect all cooling air openings on
power washer.
• Use a damp cloth to wipe exterior surfaces
clean.
• DO NOT insert any objects through cooling
air openings.
• Use a soft bristle brush to loosen caked on
dirt, oil, etc.
• Use a vacuum to pick up loose dirt and
debris.
Inspect and Clean Inlet Screen
Inspect inlet screen on pump water inlet.
Clean clogged screen and replace screen if
damaged.

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
See
Figure
4-1.
NOTE: Replace spray gun immediately if it
fails any test steps.
1. Verify spray gun hose connection is
secure.
2. Squeeze and release trigger.
NOTE: Trigger should spring back into place
and lock when released.
Owner's Manual for Power Washer
or
movement
of

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