Komatsu WA470-6 2006, Operation & Maintenance Manual

Page: 336 / 392

4.9 Service procedure
Every 4000 hours service
Maintenance
4-86
WA470-6H – VEAM946100
4.9.12 Every 4000 hours service
Maintenance for every 50, 100, 250, 500, 1000 and 2000 hours
service should be carried out at the same time.
Lubricating
Carry out the greasing once every two years, regardless of
whether the 4000 hour interval has passed.
1. Remove mounting bolts (3) of cover (1), (2) under the
machine, then remove the cover.
2. Using a grease pump, pump in grease through the grease
fittings marked by the arrows.
3. After greasing, wipe off any old grease that was pushed out.
4. When lubricating, stop the drive shaft so that the grease fit-
ting of center drive shaft spline (1) will be as shown in the fig-
ure and supply grease from under the machine.
At this time, the grease fitting is at the position indicated by
the arrow at the circle below seen from the rear of the
machine.
(1) Center drive shaft spline (1 place)
View from rear of machine
(2) Front drive shaft (2 places)
View from rear of machine
GK047056
1
2
3
3
GK043217
GK043218