Harbor Freight Tools 62779 User Manual - Page 55

SAE Viscosity Grades, Average outdoor temperature

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Safety Setup Checking and Filling Fuel WARNING! TO PREVENT SERIOUS INJURY FROM FIRE: Fill the fuel tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before adding fuel. Do not smoke. 1. Clean the Fuel Cap and the area around it. 2. Unscrew and remove the Fuel Cap. 3. Remove the Strainer and remove any dirt and debris. Then replace the Strainer. Note: Do not use gasoline containing more than 10% ethanol (E10). Do not use E85 ethanol. Add fuel stabilizer to the gasoline or the Warranty is VOID. Note: Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container. It can cause particles to enter the carburetor, affecting engine performance and/or causing damage. 4. If needed, fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline that has been treated with a fuel stabilizer additive. Follow fuel stabilizer manufacturer's recommendations for use. 5. Then replace the Fuel Cap. 6. Wipe up any spilled fuel and allow excess to evaporate before starting engine. To prevent FIRE, do not start the engine while the smell of fuel hangs in the air. Engine Oil Change CAUTION! Oil is very hot during operation and can cause burns. Wait for engine to cool before changing oil. 1. Make sure the engine is stopped and is level. 2. Close the Fuel Valve. 3. Place a drain pan (not included) underneath the crankcase's drain plug. 4. Remove the drain plug and, if possible, tilt the crankcase slightly to help drain the oil out. Recycle used oil. 5. Replace the drain plug and tighten it. 6. Clean the top of the Dipstick and the area around it. Remove the Dipstick by turning it counterclockwise, and wipe it off with a clean, lint free rag. Full level Full level 7. Add the appropriate type of oil until the oil level is at the full level. SAE 10W‑30 oil is recommended for general use. The SAE Viscosity Grade chart shows other viscosities to use in different average temperatures. SAE Viscosity Grades 30 10W-30 5W-30 -20 0 20 40 60 80 100°F Average outdoor temperature 8. Thread the dipstick back in clockwise. NOTICE: Do not run the engine with too little oil. Engine will not start with low or no engine oil. Operation Maintenance Engine for ITEM 62779 For technical questions, please call 1-888-866-5797. Page 15

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Page 15
For technical questions, please call 1-888-866-5797.
Engine for ITEM 62779
SAFETY
SETUP
OPERATION
MAINTENANCE
Checking and Filling Fuel
WARNING!
TO PREVENT SERIOUS
INJURY FROM FIRE:
Fill the fuel tank in a well-ventilated area
away from ignition sources.
If the engine is
hot from use, shut the engine off and wait
for it to cool before adding fuel. Do not smoke.
1.
Clean the Fuel Cap and the area around it.
2.
Unscrew and remove the Fuel Cap.
3.
Remove the Strainer and remove any dirt
and debris.
Then replace the Strainer.
Note:
Do not use gasoline containing
more than 10% ethanol (E10).
Do not use
E85 ethanol.
Add fuel stabilizer to the
gasoline or the Warranty is VOID.
Note:
Do not use gasoline that has been stored in a
metal fuel container or a dirty fuel container.
It can
cause particles to enter the carburetor, affecting
engine performance and/or causing damage.
4.
If needed, fill the Fuel Tank to about 1 inch under
the fill neck of the Fuel Tank with 87 octane or
higher unleaded gasoline that has been treated
with a fuel stabilizer additive.
Follow fuel stabilizer
manufacturer’s recommendations for use.
5.
Then replace the Fuel Cap.
6.
Wipe up any spilled fuel and allow excess
to evaporate before starting engine.
To prevent FIRE, do not start the engine
while the smell of fuel hangs in the air.
Engine Oil Change
CAUTION!
Oil is very hot during
operation and can cause burns.
Wait for
engine to cool before changing oil.
1.
Make sure the engine is stopped and is level.
2.
Close the Fuel Valve.
3.
Place a drain pan (not included) underneath
the crankcase’s drain plug.
4.
Remove the drain plug and, if possible,
tilt the crankcase slightly to help drain
the oil out.
Recycle used oil.
5.
Replace the drain plug and tighten it.
6.
Clean the top of the Dipstick and the area around it.
Remove the Dipstick by turning it counterclockwise,
and wipe it off with a clean, lint free rag.
7.
Full level
Full level
Add the appropriate type of oil until the oil level is at
the full level.
SAE 10W-30 oil is recommended for
general use.
The SAE Viscosity Grade chart shows other
viscosities to use in different average temperatures.
10W-30
30
5W-30
-20
0
20
40
60
80
100°F
SAE Viscosity Grades
Average outdoor temperature
8.
Thread the dipstick back in clockwise.
NOTICE:
Do not run the engine with too little oil.
Engine
will not start with low or no engine oil.