Doosan DISD SD 310 - Page 409

Remove sliding collar.
Loosen the two set screws and remove gearshift
shaft.
If necessary, separate shift lever from gearshift
shaft - mark radial installation position !
Demount locking device and remove shift fork.
Squeeze out circlip and remove shim(s).
Transmission and Torque Converter SPC000007
Page 181
Figure 9
Figure 7
Figure 8
Figure 10