Doosan DX60R Shop Manual page 722

5. Install Allen head bolts (M10 x 30, 2 each) to mount
cylinder.
NOTE:
Coat bolts with Loctite #270 before tightening.
NOTE:
Tightening Torque 55 - 69 Nm (5.6 - 7.0 kg•m)
40.5 - 50.5 ft lb)
6. Install pistons.
7. Engage a spring and a cone type plate spring (2 units).
Reference
Number
1
2
Main Pump
Page 42
Description
Assembling Direction
Cone Type Plate Spring
Figure 77
Figure 78
Figure 79
Figure 80
SP001488