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OPERATION
OPERATION
OPERATION
CHECK BEFORE STARTING ENGINE
WALK-AROUND CHECK
Before starting the engine, look around and under the machine to check for loose nuts and bolts, or leakage of oil,
fuel, or coolant, and check condition of the work equipment and hydraulic system. Also check for loose wiring and
play, and accumulation of dust at places with high temperatures.
WARNING
Remove any flammable materials from around the battery, engine, muffler, turbocharger, or other high temperature engine parts.
Leakage of fuel or oil will cause the machine to catch fire. Check carefully, be sure to repair any problem, or contact your Komatsu
distributor.
Perform the following inspections and cleaning every day before starting engine for the day's work.
1.
Check for damage, wear, play in work equipment, cylinders, linkage, hoses
Check for cracks, excessive wear, play in work equipment, cylinders, linkage, and hoses. If any problem is
found, repair it.
2. Remove dirt and debris from around the engine, battery, and radiator.
Check for dirt accumulated around the engine and radiator. Also check for flammable material (dry leaves, twigs,
etc.) around the battery, engine muffler, turbocharger, or other high temperature engine parts. If any dirt or
flammable materials are found, remove them.
3.
Check for coolant and oil leakage around the engine
Check for oil leakage from the engine and coolant leaks from the cooling system. If any problem is found, repair
it.
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.
5.
Check for oil leakage of oil from transmission case, final drive case, tandem drive case, hydraulic tank, circle
reverse gear case, hose, joints.
Check that there is no oil leakage. If any problem is found, repair the place where the oil is leaking.
6.
Check for leakage of oil from brake line
Check that there is no leakage of oil. If any problem is found, repair the place where the oil is leaking.
7.
Check for damaged or worn tires, wheels, and wheel hub bolts and nuts, check for loose wheel hub bolts and
nuts.
Check for cracks or peeling of the tires and for cracks or wear to the wheels (side rim, rim base, lock ring).
Tighten any loose wheel hub bolts or nuts. If any abnormality is found, repair or replace the part.
If any valve caps are missing, install new caps.
8.
Check for problems in handrails, steps, loose bolts.
If any problem is found, repair it. Tighten any loose bolts.
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