Komatsu WA600-8 Operation & Maintenance Manual page 237

OPERATION
11. Check brake line for oil leakage.
Check for leakage of oil or damage to the hoses and tubes. If any problem is found, repair it.
12. Check the tires, wheels, and wheel hub bolts and nuts for damage and wear, and check the wheel hub bolts
and nuts for looseness.
Check for cracks or peeling of the tires and for cracks or wear to the wheels (side ring, rim base, lock ring).
Tighten any loose wheel hub bolts or nuts.
If any problem is found, repair or replace the part.
If any valve cap is missing, install a new one.
13. Check the handrails and steps for damages and check the bolts for looseness.
If any breakage is found, repair it, and retighten the bolts.
14. Check the lamp and rearview camera for damage.
If any part is damaged, replace it with new one.
Clean off any dirt on the surface.
NOTICE
• Clean off any dirt on the surface of the lamp before starting the work.
If the lamp stays lit with dirt stuck on its surface, the lamp may be overheated and damaged.
• If you clean the overheated lamp, the lens may be broken due to the sudden change of the tem-
perature.
Turn off the lamp and clean it after the temperature has lowered sufficiently.
15. Check the machine monitor and rearview monitor for abnormality.
Check the machine monitor and rearview monitor for abnormality. If any abnormality is found, replace the
failed monitor.
Clean off any dirt on the surface.
REMARK
When cleaning the stains deposited on the monitor surface such as dusts, brush them off using a clean,
soft and dry cloth.
For sticky dirt such as oil, remove it with glass cleaner for family use on the market (weakly acid to weakly
alkaline, containing no abrasive), and then finish-wipe with a clean, soft, and dry cloth.
16. Check the rearview mirror and side mirror.
Check that the mirrors are not damaged. If any one is damaged, replace it with a new one.
Clean the surfaces of the mirrors and adjust the angle so that the area at the rear and lower portions can be
seen from the operator's seat.
17. Check the air cleaner mounting bolts for looseness.
Check the bolts for looseness. If loose, tighten them.
18. Check battery terminals for looseness.
Check the terminals for looseness. If loose terminals are
found, retighten them.
Tightening torque of portion A: 5.9 to 9.8 Nm {0.6 to
1.0 kgm}
Tightening torque of portion B: 11.8 to 19.6 Nm {1.2 to
2.0 kgm}
MACHINE OPERATIONS AND CONTROLS
3-169