Komatsu H75051 Operation & Maintenance Manual page 216

MACHINE OPERATIONS AND CONTROLS
11. Check the HST piping, transfer case, axle, hydraulic tank, hoses, and joints for oil leakage.
Check for oil leakage. If any problem is found, repair the place where the oil is leaking.
12. 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.
13. Check the tires, wheels, and wheel hub bolts and nuts for damaged 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 of 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.
14. Check the handrails and steps for damages and check the bolts for looseness.
If any damage is found, repair it. Tighten any loose bolts.
15. Check the gauges and monitor for problem.
Check for problem in the gauges and monitor in the operator's cab. If any problem is found, replace the
part. 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 mirrors.
Check the rear view mirror for trouble. If it is damaged, repair it. Clean the surface of the mirror and adjust
the angle so that the area at the rear can be seen from the operator's seat.
17. Check the air cleaner mounting bolts for looseness.
Check for loose mounting bolts. If any loose bolt is found, retighten it.
18. Check battery terminals for looseness.
If any loose terminal is found, retighten it.
Tightening torque of portion A: 9.8 to 11.8 Nm {1.0 to
1.2 kgm}
Tightening torque of portion B: 11.8 to 19.6 Nm {1.2 to
2.0 kgm}
19. Check the seat belt and mounting hardware.
Even if no problem can be seen on the appearance of
the seat belt, replace it in accordance with the follow-
ing schedule whichever date comes sooner.
5 years after the date of seat belt manufacture, or ev-
ery 3 years after the start of actual usage.
3-150
k k
WARNING
OPERATION