. OPERATION EXPLANATION OF COMPONENTS Fuse box V Precautions when adding electrical equipment CAUTION 3 - 50 Fuse box IV (BT4) No. Capacity Name of circuit (41) 10A Spot Light (if equipped), Room lamp 2 (42) 10A Radio (43) 10A Yellow rotating lamp (if equipped) Step lamp (if equipped) (44) 20A Side lamp (if equipped) (45) 10A Auto-preheater (46) 10A Horn (47) 10A Tachograph (if equipped) (48) 10A Cigarette lighter (49) 10A Air suspension seat (50) 10A Air conditioner No. Capacity Name of circuit (51) 300A Power supply for electrical intake air heater If the electrica l equipment system is changed, problems may occur in the machine control. Do not make any changes to the electrical system.
If you want t o make any change to the electrical system, please contact your Komatsu dist