2-19
12. OPERATION
12. OPERATION
1.
Check for damage, wear, play in work equipment, cylinders,
linkage, hoses
Check that there are no cracks, excessive wear, or play in the
work equipment, cylinders, linkage, or hoses. If any abnormality
is found, repair it.
2.
Remove dirt and dust from around engine, battery, radiator
Check if there is any dirt or dust accumulated around the engine
or radiator. Check also if there is any flammable material (dead
leaves, twigs, grass, etc.) accumulated around the battery or
high temperature engine parts, such as the engine muffler.
Remove all such dirt or flammable material.
3.
Check for leakage of water or oil around engine
Check that there is no leakage of oil from the engine or leakage
of water from the cooling system. If any abnormality is found,
repair it.
4.
Check for leakage of oil from HST transfer case, axle, hydraulic
tank, hoses, joints
Check that there is no leakage of oil. If any abnormality is found,
repair it.
5.
Check for damage or wear to tires, loose mounting bolts
Check for cracks or peeling of the tires and for cracks or wear to
the wheels. Tighten any loose wheel nuts. If any abnormality is
found, repair or replace the part.
If any valve caps are missing, install new caps.
6.
Check for damage to handrail and steps, loose bolts
Repair any damage and tighten any loose bolts.
7.
Check for damage to lamps, gauges, loose bolts
Check that there is no damage to the gauges and monitor in the
operator's cab. If any abnormality is found, replace the parts.
Clean off any dirt on the surface.
8.
Check seat belt and equipment
Check that there are no loose bolts on the equipment mounting
the seat belt to the machine, and tighten if necessary.
Tightening torque: 24.5 ± 4.9 N•m (2.5 ± 0.5 kgf•m, 18.1 ± 3.6 lbft)
If the belt is damaged or fluff is starting to form, or if there is any
damage or deformation of the seat belt holders, replace the seat
belt with a new part.
9.
Check for loose bolts on ROPS
Check for any loose or damaged bolts. If any loose bolts are
found tighten them to 98 to 123 N•m (10 to 12.5 kgf•m, 72 to 90
lbft).
If any bolts are damaged, replace them with genuine Komatsu
bolts.
Summary of Contents for WA20-2
Page 39: ...1 30 MEMO ...
Page 40: ...2 1 OPERATION ...
Page 42: ...2 3 10 GENERAL VIEW 10 GENERAL VIEW 10 2 GENERAL VIEW OF CONTROLS AND GAUGES ...
Page 114: ...3 1 MAINTENANCE ...
Page 132: ...3 19 22 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS ...
Page 134: ...3 21 22 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS ...
Page 136: ...3 23 22 PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS ...
Page 175: ...3 62 MEMO ...
Page 176: ...4 1 SPECIFICATIONS ...
Page 178: ...5 1 OPTIONS ATTACHMENTS ...
Page 188: ...4 3 25 SPECIFICATIONS 25 SPECIFICATIONS ...
Page 190: ...4 5 25 SPECIFICATIONS 25 SPECIFICATIONS ...
Page 192: ...4 7 25 SPECIFICATIONS 25 SPECIFICATIONS ...
Page 194: ...4 9 25 SPECIFICATIONS 25 SPECIFICATIONS ...
Page 195: ...4 10 MEMO ...