Honda GX390T2 Engine

⚠ A faulty GFCI system will not provide proper protection against electric shock.

⚠ If the GFCI system fails the test, the generator must be repaired by an authorized Honda servicing dealer before use.

1. Unplug all tools and appliances from the generator.
2. Start the engine.
3. Turn OFF the Auto Throttle switch.
4. Turn the AC circuit breaker to the ON position.
5. Press the TEST button: the RESET button should pop out and the AC circuit breaker should switch to OFF.
6. Press the RESET button: it should stay in, flush with its base plate.
7. With the RESET button in and the engine running, turn the AC circuit breaker to ON; it should remain ON.

⚠ If the red indicator starts to blink continuously, contact an authorized Honda generator dealer.

1. Unplug all tools and appliances from the generator.
2. Start the engine.
3. Turn OFF the Auto Throttle switch.
4. Turn the AC circuit breaker to the ON position; the green indicator should light continuously.
5. Press the TEST button: the RESET button will pop out and the green indicator will go off.
6. Press the RESET button: the green indicator will light continuously.

1. Install the two wheels on the axle shaft.
2. Install the axle assembly on the generator using four bolts and nuts.
3. Install the two stands using four bolts and nuts.
4. Install right and left handles on the generator upper frame using brackets and six bolts.

⚠ Install the shaft with the wheel stopper facing the engine side.

1. Install the four wheels on the axle shaft.
2. Install the axle assembly on the generator using four bolts and nuts.

⚠ Do not add fuel or oil before tipping the generator.

Tools: 12 mm wrench (2), pliers

1. Install the handle holder assembly on the generator upper frame using the 8×18 mm flange bolts.
2. Install the handle assembly on the upper frame pipe using 8×16 mm flange bolts, handle bush A, handle bush B, and handle lower bracket.
3. Torque to 19.5 lbf·ft (26.5 N·m, 2.7 kgf·m).
4. Check that the handle folds smoothly and does not hang down by its own weight.

Tools: 12 mm wrench (2)

1. Position the hanger at the generator's balance point.
2. Fit the end tabs of the hanger through the bracket slots.
3. Bolt the brackets to the hanger and tighten securely.
4. Torque to 19.5 lbf·ft (26.5 N·m, 2.7 kgf·m).

Tools: 12 mm wrench (2), pliers

1. Install the two stands on the under frame using four 8×16 mm flange bolts.
2. Install the two wheels on the axle shaft using the washers and split pins; bend the pins.
3. Install the axle assembly using four 8×16 mm flange bolts and 8 mm flange nuts.
4. Torque to 19.5 lbf·ft (26.5 N·m, 2.7 kgf·m).

⚠ Excess oil will restrict air flow and may cause engine to smoke at startup.

⚠ Operating without element or loose element allows dirt to enter engine.

1. Remove air cleaner case lid springs and unhook tabs.
2. Remove air cleaner cover and element.
3. Check element and replace if damaged.
4. Clean element in warm soapy water or non-flammable solvent, dry thoroughly.
5. Dip filter in clean engine oil, squeeze out excess oil.
6. Install air cleaner in reverse order of removal.

⚠ Do not twist the foam filter when squeezing.

⚠ Prevent dirt from entering the air duct that leads to the carburetor.

1. Clean the foam air filter in warm soapy water, rinse, and allow to dry thoroughly, or clean in non-flammable solvent and dry.
2. Dip the foam air filter in clean engine oil, then squeeze out all excess oil.
3. Wipe dirt from the air cleaner housing and cover using a moist rag.

⚠ Never run the generator without the air filter.

⚠ Engine will smoke during initial startup if too much oil is left in the air filter.

1. Unsnap the air cleaner cover clips, remove the cover, and remove the element.
2. Wash the air filter in household detergent and warm water, or nonflammable/high flashpoint solvent; rinse thoroughly.
3. Allow the air filter to dry thoroughly.
4. Soak the air filter in clean engine oil and squeeze out the excess oil.
5. Reinstall the air cleaner element and the cover.

⚠ Battery gives off explosive gases; keep sparks, flames, and cigarettes away.

⚠ Battery contains sulfuric acid; contact with skin or eyes may cause severe burns.

Tools: Digital multimeter, Battery charger

1. Turn combination switch OFF.
2. Remove battery.
3. Check battery for damage.
4. Leave battery for 30 minutes.
5. Measure battery voltage with digital multimeter.
6. If below 12.4 V, charge battery.
7. Connect charger positive to positive, negative to negative.
8. Leave for 30 minutes.
9. Measure voltage; if below 12.7 V, charge.
10. If still below 12.7 V, replace battery.

⚠ Gasoline is highly flammable and explosive; keep heat, sparks, and flame away.

⚠ Handle fuel only outdoors.

Tools: funnel

1. Turn the fuel valve lever to the OFF position.
2. Place a suitable gasoline container below the carburetor.
3. Loosen the carburetor drain screw and drain the gasoline.
4. Tighten the carburetor drain screw securely.
5. Place a container below the sediment cup and remove the sediment cup.
6. Turn the fuel valve lever to ON and drain the fuel from the tank.
7. Install the sediment cup and a new O-ring.