Komatsu — 2.2.1 Check before Daily Operation

2. Inspection and Adjustment 2.2 Periodic Inspection and Maintenance Procedure 2.2.1 Check before Daily Operation Be sure to check the following points before starting an engine every day. (1) Visual check around engine If any problem is found, do not use before the engine repairs have been completed. z Oil leak from the lubrication system z Fuel leak from the fuel system z Coolant water leak from the cooling water system z Damaged parts z Loosened or lost bolts z Fuel, radiator rubber hoses, V belt cracked, loosened clamp (2) Fuel tank level check and fuel supply Check the remaining fuel oil level in the fuel tank and refuel the recommended fuel if necessary.

(Refer to 1.3.(1) ) (3) Lube oil level check and replenishment (a) Checking oil level Check the lube oil level with the dipstick, after adjusting the posture of the machine unit so that an engine may become a horizontality. Insert the dipstick fully and check the oil level. The oil shall not be contaminated heavily and have appropriate viscosity. No coolant water or diesel fuel shall be mixed. When lube oil is supplied after the engine running, check the lube oil level after about 10 minutes pass after the engine shutdown so that the lube oil inside may be retuned the oil pan. The level shall be between the upper and lower limit lines on the dipstick. Standard 23 No.

Inspection Item (1) Visual check around engine (2) Fuel tank level check and fuel supply (3) Lube oil level check and replenishment (4) Coolant water level check and replenishment (5) Fuel pipe and coolant water pipe inspection and maintenance (6) Inspection and adjustment of governor lever and accelerator (7) Warning lamp & instruments function check