Doosan DX60R Shop Manual page 618

Assembly of Cylinder Block Interior
1. Insert washer (110), spring (114), washer (110) and
retaining ring (145) in that order, into cylinder block (104).
2. Place the cylinder block (104) on the press bench.
When mounting the retaining ring, if the tip of the
pliers slips out of the hole or the retaining ring, the
retaining ring could jump out.
NOTE:
Press force of spring (114) is 60 kgf (588 N or
more. Protect by covering cylinder block (104)
with a vinyl sheet so the contact surface with the
timing plate of cylinder block (104) does not
become damaged.
3. Place holder (I) on the washer (110), and while clamping
with the press, fit the retaining ring (145) in the retaining
ring groove of the cylinder block (104) with a retaining ring
pliers.
Assembly of Hydraulic Motor Parts
1. Place the needle rollers (151) (3 rollers) cylinder block
(104) and place the thrust ball (108) on top.
2. Install the nine piston assembly (105, 106) into retainer
plate (107).
NOTE:
After assembling, dip the whole thing in
hydraulic fluid.
3. Fit retainer plate (107) and 9 piston assembly into cylinder
block (104).
NOTE: Match round surface sections of retainer plate
and thrust ball.
Travel Motor
Page 60
CAUTION
Figure 117
Figure 118
Figure 119
Figure 120
SP001686