Komatsu — In Cold Weather Areas

OPERATION MACHINE OPERATIONS AND CONTROLS 7. After carrying out the warming-up operation, check that each gauge and monitor lamp is in the following condition. q Engine oil temperature monitor (6): Is it lighted up? q Charge level monitor (7): Is it lighted up? q Fuel level monitor (8): Is it lighted up? q Engine water temperature monitor (9):OFF q Engine oil pressure monitor (10): Is it lighted up? q Engine coolant temperature gauge (11): Is it in green range? q Fuel gauge (12): Is it in green range? q Air cleaner clogging monitor (13): Is it lighted up? q Engine oil support monitor (14): Is it lighted up? q Engine pre-heating monitor (15): Is it lighted up? 8.

Check that there is no abnormal exhaust gas color, noise or vibration. If any abnormality is found, contact your Komatsu distributor. 9. If air cleaner clogging monitor (13) is lighted up, clean or replace the element immediately. For details of the method of cleaning the element, see “CHECK, CLEAN AND REPLACE AIR CLEANER ELE- MENT (4-20)“. 10. Turn fuel control dial (2) to the full speed (MAX) position and carry out the operation is Step 4. for 3 to 5 minutes. 11. Repeat the following operation 3 - 5 times and operate slowly.

MAX Boom operation RAISE LOWER Arm operation IN OUT Bucket operation CURL DUMP Swing operation LEFT RIGHT Travel (Lo) operation FORWARD REVERSE REMARK If the above operation is not carried out, then may be a delay in response when starting or stopping the actuation of the travel, swing, or work equipment. 3-81