Preventive Maintenance; Engine Maintenance; Engine Oil Recommendations - DeWalt DXGNR 7000 Instruction Manual

Maintenance

Preventive Maintenance

Dirt or debris can cause improper operation and equip-
ment damage. Clean generator daily or before each use.
Keep area around and behind muffler free from combus-
tible debris. Inspect all cooling air openings on generator.
Do not insert any object through the
WARNING
air cooling slots. Generator can start
at any time and could result in death, serious injury and
unit damage.
•
Use a damp cloth to wipe exterior surfaces clean.
•
Use a soft bristle brush to loosen caked on dirt, oil, etc.
•
Use a vacuum to pick up loose dirt and debris.
•
Low pressure air (not to exceed 25 psi) may be used to
blow away dirt. Inspect cooling air slots and openings on
generator. These openings must be kept clean and unob-
structed.
DO NOT use a garden hose to clean
NOTICE:
generator. Water can enter engine fuel
system and cause problems. If water enters generator
through cooling air slots, some water will be retained in
voids and crevices of rotor and stator winding insulation.
Water and dirt buildup on generator internal windings will
decrease insulation resistance of windings.

Engine Maintenance

Accidental start-up. Disconnect spark
WARNING
plug wires when working on unit. Fail-
ure to do so could result in death or serious injury.

Engine Oil Recommendations

All oil should meet minimum American Petroleum Insti-
tute (API) Service Class SJ, SL or better. Use no special
additives. Select the oil's viscosity grade according to the
expected operating temperature (also see chart).
•
Above 40° F, use SAE 30
•
Below 40° F and down to 10° F, use 10W-30
•
All temperatures, use synthetic 5W-30
Use petroleum based oil for engine break-in before using
synthetic oil.
10W-30
S y n th e t ic 5 W-3 0
Any attempt to crank or start the
CAUTION
engine before adding the recom-
mended type and quantity of engine oil can result in
engine damage.
14
SA E 3 0
000399
Inspect engine oil level prior to each use, or every 8
hours of operation.
Place generator on a level surface.
1.
Clean area around oil fill.
2.
Remove oil fill cap and wipe dipstick clean.
3.
Screw dipstick into filler neck. Verify oil level is within safe
4.
operating range as shown.
Add recommended engine oil as necessary.
5.
Replace oil fill cap and hand-tighten.
6.
Some units have more than one oil fill
NOTICE:
location. It is only necessary to use one
oil fill point.
Change Engine Oil
Accidental start-up. Disconnect spark
WARNING
plug wires when working on unit. Fail-
ure to do so could result in death or serious injury.
When using generator under extreme, dirty, dusty condi-
tions, or in extremely hot weather, change oil more fre-
quently.
Don't pollute. Conserve resources.
NOTICE:
Return used oil to collection centers.
Change oil while engine is still warm from running, as fol-
lows:
Place generator on a level surface.
1.
Disconnect the spark plug wire from the spark plug and
2.
place the wire where it cannot contact spark plug.
Clean area around oil fill, and oil drain plug.
3.
Remove oil fill cap.
4.
Remove oil drain plug and drain oil completely into a suit-
5.
able container.
Install oil drain plug and tighten securely.
6.
Owner's Manual for Portable Generator
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