Doosan DX60R Shop Manual page 604

Removal of Ball Bearing, RV Gear Assembly, and Pin
1. Remove floating seal (31) from hub (1).
NOTE: When removing ball bearing (21), tap end face
of the pins equally in 3 - 4 places around the
circumference a little at a time so as not to
wrench ball bearing (21). When mating part of
the outer ring of ball bearing (21) is removed
from hub (1), ball bearing (21), RV gear
assembly and pin (17) will fall from hub (1). In
order to keep the parts from being damaged,
place a container underneath the workbench,
and place a rubber mat over it.
2. Strike the end face of pin (17) with a pin punch and a
hammer, and remove ball bearing (21) from hub (1). At
this time, the RV gear assembly (RV gear (4), crank shaft
(9), tapered roller bearing (22), needle roller bearing with
retainer (23), spacer (12)) and pin (17) can be taken out
together.
3. Remove ball bearing (21), RV gear assembly and pin (17)
which have fallen.
NOTE: Tapered roller bearing (22), needle roller
bearing (23), and spacer (12) are not removed
from crank shaft (9) except when replacing.
Ball Bearing Removal
NOTE: When removing, ball bearing (21) falls from hub
(1). Place a rubber mat the underneath
workbench to keep the part from being
damaged.
1. From cover (8) side of hub (1), strike the end face of pin
(17) with a pin punch and hammer, and remove ball
bearing (21) from hub (1).
Disassembling Spindle Fittings
1. Remove oil seal (132) from spindle (2).
NOTE:
Absolutely do not reuse oil seal (132). Which
has been removed.
2. Remove floating seal (31) from spindle (2).
NOTE:
The removed floating seal should be replaced
with new ones even if it's free from damage.
Travel Motor
Page 46
Figure 83
Figure 84
Figure 85
SP001686