Suzuki WagonR+ RB310 Service Manual page 1158

AUTOMATIC TRANSAXLE (M13 ENGINE MODEL) 7B1-193
54) After applying A/T fluid to direct clutch hub (1), install it to
planetary gear assembly.
55) After applying A/T fluid to input shaft rear thrust bearing (1)
and thrust bearing race (2), install them into direct clutch hub
(3).
56) After applying A/T fluid to input shaft front thrust bearing (1),
install it to direct clutch assembly (2).
57) Apply A/T fluid to direct clutch assembly (1).
Install direct clutch assembly while rotating clockwise and
counter clockwise frequently to fit clutch discs to mating hub.
NOTE:
Before installation, align teeth of direct clutch discs to
facilitate installation.