11. EXPLANATION OF COMPONENTS 11.8 GREASE PUMP The grease pump is stored in the brake component box near the center hinge pin on the left side of the machine. After using it, wipe off all grease stuck to its outside of the pump, then store it. 11.9 BACKUP ALARM This sounds an alarm when the directional lever is set to the R position. It is used to warn people behind the machine that the machine will travel in reverse. 11.10 DOOR-OPEN LOCK This can be used to hold the door open. Open the door so that tip 2 of the lever is aligned with groove 1 for the lock, then pull down knob 3 as shown in the diagram. When using the door-open lock, be sure to apply the lock securely.
When releasing the lock and closing the door, push up knob 3 and insert pin 4 securely i the groove. 11.11 TOOL BOX The tool box is installed in the brake component box of the left side of the machine. Use it to store tools, etc. 11.12 FUEL STOP LEVER This is used when there is such abnormality as the engine cannot be stopped even if the starting switch is turned to the OFF position. For normal operations, please keep it fully open. If any abnormality occurs, turn fuel stop lever A to the front to stop the supply of fuel. When an abnormality occurs such as to use the fuel stop lever, contact your Komatsu distributor.
If the engine is stopped using the fuel stop lever, bleed the air from the circuit, before starting the engine again. For details, see “24.7.2 REPLACE FUEL FILTER CARTRIDGE”. 2-28