Suzuki GA413 Service Manual page 558

5. Groove
6. Punch mark
[C]: 2nd gear side (forward)
1) Assemble low speed synchronizer hub (1), sleeve (2), springs
(4) and keys (3).
a) Slide hub in sleeve so that punch marked side of hub and
groove machined side of sleeve face the same direction.
b) Insert keys in hub slots with depression side of keys face
center of hub.
c) Install springs to internal circle of key locations with spring
end gaps apart at angles about 120 degrees each other.
Synchronizer spring installation position
: A = B
2) Install needle bearing, 2nd gear (3) and 2nd synchronizer ring
to main shaft.
3) [In the case of press-fitting hub]
CAUTION:
Make sure synchronizer ring key slots (2) must be
aligned with keys while press-fitting sleeve and hub
assembly. Otherwise synchronizer ring may be dam-
aged.
Using special tool, puller and hydraulic press, drive in low speed
synchronizer sleeve and hub assembly (1) with punch marked
side of hub directed to backward (low gear side).
Special Tool
(A): 09924-07710
NOTE:
Check free rotation of 2nd gear after press-fitting sleeve
and hub assembly.
[In the case of loose-fitting hub]
Install low speed synchronizer sleeve and hub assembly (1)
with punch marked side of hub directed to backward (low gear
side).
MANUAL TRANSMISSION 7A-19