SSANGYONG 1999 Musso Service Manual page 1145

5B-38 MANUAL TRANSMISSION
Install the 3-4 shift fork and its selector plate.
Push the shift shaft through the 3-4 shift fork.
Install the roll pin that fixes the selector arm to the shift
shaft.
4. Check the shift cover parts for proper assembly as follows :
Insert a pin punch (3/16) into the offset lever hole of
the shift shaft.
Place the shift cover to the flat ground and rotate the
shift shaft so that the punch is vertical.