Komatsu — 12.2.8 CHECK EFFECT OF PARKING BRAKE

OPERATION 12.2.7 DRAIN THE WATER FROM THE FUEL-WATER SEPARATOR With the engine shut-off, open the drain valve (1). Turn the valve counterclockwise approximately 1-1/2 to 2 turns until draining occurs. Drain the filter sump of water until clear fuel is visible. Do not over tighten the valve. Over tightening can damage the threads. Turn the valve clockwise approximately 1-1/2 to 2 turns to close the drain valve. Even if a filter/water separator is installed be sure to check the fuel tank to remove water and sediment in the fuel.

12.2.8 CHECK EFFECT OF PARKING BRAKE WARNING Even if the parking brake pedal is pressed LOCK, for safety precau- tion keep the brake pedal depressed until the parking brake pilot lamp lights up Measurement conditions ! Tire inflation pressure: Specified pressure ! Road surface: Dry paved surface with 1/5 (11 E 20') ! Machine: Operating condition Method of measurement 1. Start the engine, set the machine facing straight to the front, then drive the machine up 1/5 grade with the bucket empty. 2. Depress the brake, stop the machine, return the directional lever to the neutral position, then stop the engine. 3.

Press the parking brake pedal to the LOCK position, release the brake pedal slowly, and check that the machine is held in position. 2-30