Komatsu WA470-6 2006, Operation & Maintenance Manual

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4.9 Service procedure
Maintenance Initial 50 hours service (only after the first 50 hours)
WA470-6H – VEAM946100
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4.9 Service procedure
4.9.1 Initial 50 hours service (only after the first 50 hours)
Carry out the following maintenance only after the first 50 hours.
Check for loose wheel hub bolts, tighten
If wheel hub nuts (1) are loose, tire wear will be increased and
may cause accidents.
1. Check for loose nuts, and tighten if necessary.
When checking for loose nuts, always turn the nuts in the
direction of tightening to check.
Tightening torque: 927 ± 103 Nm
2. If any stud bolt is broken, replace all the stud bolts for that
wheel.
4.9.2 Initial 250 hours service (only after the first 250 hours)
Carry out the following maintenance only after the first 250
hours.
Replace transmission oil filter cartridge
For details see "Change oil in transmission case and transmis-
sion oil filter cartridge, clean strainer (4-74)".
Replace hydraulic tank filter element
For details see "Change oil in hydraulic tank, replace hydraulic
filter element (4-77)".
4.9.3 Initial 1000 hours service (only after the first 1000 hours)
Carry out the following maintenance only after the first 1000
hours.
Check engine valve clearance, adjust
For details see "Check alternator (4-85)".
GK032274
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