Briggs & Stratton PowerSmart P3400 Operator's Manual page 12

Maintenance
Cleaning
Daily or before use, look around and underneath the
generator for signs of oil or fuel leaks. Clean any accumulated
debris. Keep area around muffler free from any debris.
• Use a soft bristle brush to loosen caked on dirt or oil.
• Use a damp cloth to wipe exterior surfaces clean.
NOTICE Improper treatment of generator could damage
it and shorten its life. Do not expose generator to excessive
moisture, dust, dirt, or corrosive vapors. Do not insert any
objects through cooling slots.
Engine Maintenance
Oil Recommendations
We recommend the use of Briggs & Stratton Warranty
Certified oils for best performance. Other high-quality
detergent oils are acceptable if classified for service SF,
SG, SH, SJ or higher. Do not use special additives.
Outdoor temperatures determine the proper oil viscosity
for the engine. Use the chart to select the best viscosity for
the outdoor temperature range expected. Engines on most
outdoor power equipment operate well with 5W30 Synthetic
oil. For equipment operated in hot temperatures, Vanguard®
15W50 Synthetic oil provides the best protection.
* Below 4°C (40°F) the use of SAE 30 will result in hard starting.
** Above 27°C (80°F) the use of 10W30 may cause increased oil
consumption. Check oil level more frequently.
Checking/Adding Engine Oil
Oil level should be checked prior to each use or at least
every 8 hours of operation. Keep oil level maintained.
1. Make sure generator is on a level surface.
2. Loosen the two maintenance cover screws and
remove the side maintenance cover.
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3. Clean area around oil fill, remove oil fill cap and check
oil level.
4. If needed, slowly pour oil into oil fill opening to the
point of overflowing.
5. Replace and tighten oil fill cap.
NOTICE Do not attempt to crank or start engine before
it has been properly serviced with recommended oil. This
could result in an engine failure.
6. Reinstall the side maintenance cover and hand
tighten the cover screws.
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.
KEEP OUT OF REACH OF CHILDREN. DON'T
POLLUTE. CONSERVE RESOURCES. RETURN
USED OIL TO COLLECTION CENTERS.
Changing Engine Oil
If you are using your generator under extremely dirty or
dusty conditions, or in extremely hot weather, change the
oil more often.
Change the oil while the engine is still warm from running,
as follows:
1. Make sure unit is on a level surface.
2. Drain fuel tank by running generator until fuel tank is
empty.
3. Remove cover over the oil fill area.
4. Clean area around oil fill and remove oil fill cap.
5. Tip your generator to drain oil from oil fill into a
suitable container making sure you tip your unit toward
the oil filler neck. When crankcase is empty, return
generator to upright position.
6. Using an oil funnel, slowly pour recommended oil
(about 0.4 l (13.5 oz.)) into oil fill opening. Checking oil
level frequently, fill to point of overflowing.
NOTICE Pause to permit oil to settle. DO NOT overfill.
7. Replace and tighten oil fill cap.
8. Wipe up any spilled oil.
9. Replace cover over oil fill area.
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