EXPLANATION OF COMPONENTS OPERATION Avoiding excessive cooling. G If the operator feels somewhat cool when entering a cooled cab, the temperature (temperature difference between exter- nal temperature is 5° to 6°C) is at the optimum level from a health viewpoint. Adjust the cooling temperature carefully. FUSIBLE LINK If the starting motor will not rotate when the starting switch is turned ON, a possible cause is disconnection of wire-type fusible link. Open the door on the left side of the machine body to inspect the fusible link and, if necessary, replace it.
REMARK A fusible link refers to the large-sized fuse wiring installed in the high current flow portion of the circuit to protect electrical com- ponents and wiring from burning, similar to an ordinary fuse. CONTROLLERS A pump and governor controller is provided. It is located in the right, rear of the cab underneath panel assy (1). NOTICE G Never splash or spill water, mud or drink over the con- troller as this may cause a fault. G If a fault occurs in the controller, do not attempt repair, but consult your Komatsu distributor. TOOL BOX This is used for keeping the tools. REFUELLING PUMP Do not bring fire or sparks near the fuel. 1.
When the machine is operated on sites with no fuel container and pump, the machine may be refuelled using the refuelling pump (if fitted) from fuel barrels. The refuelling pump is located next to batteries at the front right hand side of the machine. 2. Place the fuel hose (2), which is stored in tray (3) into the fuel barrel placed next to the machine. 96 WARNING WARNING