. OPERATION OPERATION OPERATION CHECK BEFORE STARTING ENGINE WARNING 4. Check for leakage from fuel line. Check that there is no leakage of fuel or damage to the hoses and tubes. If any problem is found, carry out repairs. 7. Check for loose air cleaner mounting bolts. Check for the loose bolts. If loose, tighten them. 3 - 70 WALK-AROUND CHECK ook around the machine and under the machine to check for loose nuts or bolts, or t, and check the condition of the hydraulic system. Before starting the engine, l leakage of oil, fuel, or coolan Check also for loose wiring, p lay, and accumulation of dust in places that get very ho t and are exposed to extremely high temperatures.
Always hang the warning tag from the gear shift lever. Leakage of oil or fuel, or accu mulation of flammable material around the battery or high tem perature parts of the engine, such as the engine muffler or turb ocharger, may cause fire. Check carefully, and if any problem is found, repair it or contact your Komatsu distributor. Perform the following inspec tions and cleaning every day before starting engine for 1. Check the dump body, fr ame, tires, cylinders, linkage, and hoses for cracks or excessive wear or play. Check the dump body, fra out repairs if any problem me, tires, cylinders, linkage, and hoses for cracks or ex cessive wear or play, and c arry is found. 2.
Remove dirt from around engine, battery, radiator, and aftercooler. Check that there is no dir is no flammable materi turbocharger, or other hi found. t or dust accumulated around the engine, radiator or aft ercooler. Check also that t here al (dry leaves, twigs, etc.) accumulated around th e battery, or engine, muffler, gh temperature parts of the engine. Remove any dirt or flammable materials that are r flammable materials that are 3. Check for leakage of wa ter or oil around engine Check that there is no oi is found, repair it. l leakage from the engine or coolant leakage from the cooling system. If any problem 5.
Check for oil leakage fro m transmission case, differential case, final drive case, hydraulic tank, brake contr ol oil tank, hoses, and joints Check that there is no oi Check for leakage of oil f l leakage. If any problem is found, repair the place where the oil is leaking. rom the undercover. Check the ground for traces of oil leakage. l leakage. If any problem is found, repair the place whe rom the undercover. Check the ground for traces of oi 6. Check for damaged or w orn tires, wheels, and wheel hub bolts and nuts, check for loose wheel hub bolts and nuts.
Check for cracks or pee Tighten any loose wheel If any valve caps are mis ling of the tires and for cracks or wear to the wheels (side rim, rim base, lock ring). hub bolts or nuts. If any abnormality is found, repair or replace the part. sing, install new caps.