11
maintenance.
1.2.1 Removal of the wheels
Drain off the gear oil inside of the transmission box before disassembling. Loose 6
drive nut and remove drive wheel. Then loose the 7 bolts on frame hexagon socket bolts
and remove transmission box connected with travelling motor from frame. Refer to figure
1-1.
Figure 1-1
1.2.2 Removal of travelling motor
Refer to figure 1-2 to remove the bolts fixing travelling motor (one is M8 x50, and
two are M8 x75).