Valve Clearance; Storage - DeWalt DXGNI 2500 Instruction Manual

Maintenance
Inspect Muffler and Spark Arrester
It is a violation of California Public
NOTICE:
Resource Code, Section 4442, to use or
operate the engine on any forest-covered, brush-cov-
ered, or grass-covered land unless the exhaust system is
equipped with a spark arrester, as defined in Section
4442, maintained in effective working order. Other states
or federal jurisdictions may have similar laws.
Contact original equipment manufacturer, retailer, or
dealer to obtain a spark arrester designed for exhaust
system installed on this engine.
Use ONLY original equipment replace-
NOTICE:
ment parts.
Inspect muffler for cracks, corrosion, or other damage.
Remove spark arrester, if equipped, inspect for damage
or carbon blockage. Replace parts as required.
Inspect Spark Arrester Screen
Hot surfaces. When operating
WARNING
machine, do not touch hot surfaces.
Keep machine away from combustibles during use. Hot
surfaces could result in severe burns or fire. (000108)
Clean Spark Arrestor Screen
The engine exhaust muffler has a spark arrestor screen.
Inspect and clean the screen every 100 hours of opera-
tion or every season, whichever comes first.
To service spark arrestor:
Remove six (6) screws (A) and remove muffler outlet panel.
1.
Remove the clamp to remove retainer.
2.
Remove screw from bottom of muffler outlet tube.
3.
Slide spark arrestor screens out from the muffler outlet tube.
4.
Inspect screens and replace if torn, perforated or otherwise
5.
damaged. Do NOT use a defective screen. If screen is not
damaged, clean with a commercial solvent.
Replace the screens, and retainer, and secure with clamp.
6.
Replace screw from bottom of muffler outlet tube.
7.
Replace muffler outlet panel and six (6) screws.
8.
18

Valve Clearance

Important: Please contact an Independent Authorized Service Dealer for
service assistance. Proper valve clearance is essential for prolonging the life
of the engine.
Check valve clearance after the first fifty-hours of opera-
tion. Adjust as necessary.
•
Intake — 0.10 ± 0.02mm (cold), (0.004" ± 0.001" inches)
•
Exhaust — 0.15 ± 0.02mm (cold) (0.006" ± 0.001" inches)

Storage

General
It is recommended to start and run the generator for 30
minutes, every 30 days. If this is not possible, refer to the
following list to prepare unit for storage.
•
DO NOT place a storage cover on a hot generator. Allow
unit to cool to room temperature before storage.
•
DO NOT store fuel from one season to another unless
properly treated.
•
Replace fuel container if rust is present. Rust in fuel will
cause fuel system problems.
•
Cover unit with a suitable protective, moisture resistant
cover.
•
A
Store unit in a clean and dry area.
•
Always store generator and fuel away from heat and igni-
tion sources.
Prepare Fuel System/Engine for Storage
Fuel stored over 30 days can go bad and damage fuel
system components. Keep fuel fresh, use fuel stabilizer.
013954
If fuel stabilizer is added to fuel system, prepare and run
engine for long term storage. Run engine for 10-15 min-
utes to circulate stabilizer throughout fuel system. Ade-
quately prepared fuel can be stored up to 24 months.
NOTICE:
approved container. Run engine until it stops from lack of
fuel. Use of fuel stabilizer in fuel storage container is rec-
ommended to keep fuel fresh.
Change engine oil.
1.
Remove spark plug.
2.
Pour tablespoon (5-10cc) of clean engine oil or spray a suit-
3.
able fogging agent into cylinder.
If fuel has not been treated with fuel sta-
bilizer, it must be drained into an
Instruction Manual for Portable Generator
002352