Komatsu Wheel Loader WA480-8

METHOD FOR DRAINING WATER AND SEDIMENT FROM FUEL TANK

1. Open the rear full-length fender on the right side of the machine.

2. Place a container to catch drained fuel under drain valve (1) on the right side of the fuel tank.

3. Open drain valve (1) on the right side of the fuel tank, and drain the sediment and water accumulated at the bottom together with fuel.

4. When only the clean fuel flows out, close drain valve (1).

Was the draining process successful?

Sign off on the wheel loader maintenance

METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC TANK STRAINER

• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn injury. Wait for the temperature to go down, and then start the work.

• When removing the oil filler cap, the oil may spout out. Turn it slowly to release the internal pressure, then remove it carefully.

1. Lower the bucket to the ground with its bottom level, apply the parking brake, then stop the engine.

2. Remove inspection window (1) of the undercover.

3. Loosen the bolts and remove cover (2).

4. Remove the cap of oil filler port (F).

Contact your Komatsu distributor for cleaning of the KDPF.

Ask your Komatsu distributor for cleaning of the DEF tank.

For cleaning the fuel doser, ask your Komatsu distributor.

METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING, HARDENING OF RUBBER

Ask your Komatsu distributor to have the fuel spray prevention cap on fuel doser checked.

Sign off on the 4500 Hourly Wheel Loader Maintenance

METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING OIL

• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn injury. Wait for the temperature to go down, and then start the work.

• When removing the oil filler cap, the oil may spout out. Turn it slowly to release the internal pressure, then remove it carefully.

If the oil is added to above H mark, stop the engine and wait for the hydraulic oil to cool down. Then drain excessive oil through the drain plug. It may damage the oil circuit and cause the oil to spurt out.

Lower the bucket to the ground and stop the engine. Wait for 5 minutes before checking oil level. Oil level should be between H and L marks on sight gauge (G).

1. Check with sight gauge (G).

2. Loosen the bolt, turn cover (1), and open it.

Warning: This maintenance check requires trained personnel with PPE!

Do not use the battery if the battery electrolyte level is below LOWER LEVEL line.

Do not add the electrolyte to the battery exceeding UPPER LEVEL line.

Battery electrolyte level is between UPPER LEVEL (U.L.) line and LOWER LEVEL (L.L.) line.

Machine is stopped and held at the current position when parking brake is set.

Air conditioner compressor belt tension is normal.

Air conditioner recirc air filter is clean.

Brake oil pressure caution lamp does not light up when the brake pedal is depressed 6 times.