Onan NHC User Manual

4. Remove spark plugs. Pour 1 ounce (2 table¬
spoons or 28 grams) of rust inhibitor or SAE #50
oil into the cylinders. Crank the engine over a few
times. Reinstall spark plugs.
5. Serviceaircleanerasoutlined in MAINTENANCE
section.
6. Clean governor linkage and protect by wrapping
with a clean cloth.
7. Plug exhaust outlet to prevent entrance of
moisture, dirt, bugs, etc.
8. Wipe entire unit. Coat rustable parts with a light
film of grease or oil.
9. Provide a suitable cover for the entire unit.
10. I f battery equipped, disconnect and follow stand¬
ard battery storage procedure.
RETURNING UNIT TO SERVICE
1. Remove cover and all protective wrapping. Re¬
move plug from exhaust outlet.
2. Check tag on oil base and verify that oil viscosity
is still correct for existing ambient temperatures.
3. Clean and check battery. Measure specific gravity
(1.260 at 77° F [25° C]) and verify level to be at
split ring. If specific gravity is low, charge until
correct value is obtained. If the level is low, add
distilled water and charge until specific gravity is
correct.
4. Check that fuel filter and fuel lines are secure,
with no leaks.
5. Check carburetor, adjust if necessary.
6. Connect battery.
7. Start Engine.
After engine has started, excessive blue smoke is exhausted
until the rust inhibitor has burned away.
AWARNING
EXHAUST GAS IS DEADLY!
Exhaust gases from all fuels (including diesel, gasoline, liquid propane, natural
gas) contain carbon monoxide, an odorless and colorless gas. Carbon monoxide
is poisonous and can cause unconsciousness and death. Symptoms of carbon
monoxide poisoning can include:
• Dizziness
• Nausea
• Headache
• Weakness and Sleepiness
e Throbbing in Temples
• Muscular Twitching
• Vomiting
• Inability to Think Coherently
IF YOU OR ANYONE ELSE EXPERIENCE ANY OF THESE SYMPTOMS, GET OUT
INTO THE FRESH AIR IMMEDIATELY. If symptoms persist, seek medical
attention. Shut down the unit and do not operate until it has been inspected and
repaired.
Protection against carbon monoxide inhalation includes proper installation,
ventilation and regular, frequent visual and audible inspections of the complete
exhaust system.
5

Onan NHC Specifications

General

Brand	Onan
Model	NHC
Category	Engine
Language	English