TOHATSU BFT115A Service Manual page 586

GEAR CASE (COUNTER ROTATION)
SHIM SELECTION
• Use shims to adjust the position of each gear so that they engage properly. Perform shim adjustment if the
backlash of a gear is outside the specification or after replacing the gear case, vertical shaft, gear or bearing
with a new one.
SHIM LOCATIONS
TAPER BEARING
(50 × 90 × 28 mm)
F
K
THRUST SHIM
St (SHIM THICKNESS)
17-40
VERTICAL SHAFT
PINION GEAR
SHIM
FLANGE
FORWARD
BEVEL GEAR
Sf (SHIM THICKNESS)
+0.065
C: 175.0
mm
–0.015
TAPER ROLLER BEARING
(30 × 62 × 40 mm)
Sr (SHIM
THICKNESS)
H
B: 60.5 ± 0.15 mm
REVERSE
BEVEL GEAR
FORWARD BEVEL
GEAR SHIM
GEAR CASE
PINION GEAR
REVERSE BEVEL
GEAR SHIM
RADIAL BALL
BEARING
(50 × 90 × 20 mm)