Lull 844B Illustrated Parts Manual

To start the Lull 844B forklift, ensure that the parking brake is engaged, the transmission is in neutral, and all controls are in the neutral position. Insert the key into the ignition and turn it to the 'ON' position, allowing the warning lights to illuminate. Then, turn the key to the 'START' position until the engine starts and release it immediately.
First, check for any visible leaks or damaged hoses in the hydraulic system. Ensure that the hydraulic fluid level is adequate and the fluid is free from contamination. Inspect the hydraulic filter and replace it if necessary. If problems persist, consult the service manual for detailed troubleshooting steps or contact a certified technician.
Regular maintenance should be performed based on operating hours or time intervals. Typically, oil and filter changes are recommended every 250 hours, while a comprehensive inspection, including hydraulic and transmission fluid changes, should occur every 500 hours. Always refer to the operator's manual for specific intervals and details.
To check tire pressure, use a tire pressure gauge on each tire's valve stem. Compare the measured pressure with the manufacturer's recommended psi, found in the operator's manual. If adjustment is needed, add or release air using an air compressor until the correct pressure is achieved.
Perform a walk-around inspection, checking for visible damage, fluid leaks, and tire condition. Verify that all safety devices, including lights, horn, and backup alarm, are functioning. Ensure the load capacity chart is legible and the operator's seat and seatbelt are in good condition.
To change the engine oil, park the forklift on a level surface and turn off the engine. Remove the oil drain plug and allow the old oil to drain into a suitable container. Replace the drain plug and remove the oil filter using an oil filter wrench. Install a new oil filter, then refill the engine with the recommended oil type and quantity.
If the engine overheats, immediately turn off the forklift and allow it to cool. Check the coolant level and add coolant if necessary. Inspect the radiator for blockages and ensure the cooling fan is operational. If the issue persists, consult a professional technician.
To store the forklift, park it on a level surface and engage the parking brake. Lower the forks to the ground and turn off the engine. Disconnect the battery to prevent discharge. Cover the forklift with a tarp if stored outdoors, and perform regular checks to maintain its condition.
Locate the air filter housing and open it by removing the clips or screws. Take out the old air filter and clean the housing interior. Install a new air filter, ensuring it is seated correctly. Reattach the housing cover securely. Regularly replacing the air filter helps maintain engine efficiency.
To test the battery, use a multimeter to check the voltage. A fully charged battery should read approximately 12.6 volts. If the reading is significantly lower, the battery may need charging or replacement. Inspect the battery terminals for corrosion and clean them if necessary to ensure a good connection.