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GEAR CASE
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, propeller
shaft, or bearing with a new one.
SHIM LOCATION
Sp (SHIM THICKNESS)
C
Sf (SHIM THICKNESS)
TAPER ROLLER BEARING
(30 x 62 x 40 mm)
(Outer race)
FORWARD BEVEL
GEAR
VERTICAL SHAFT
FORWARD BEVEL
GEAR SHIM
PINION GEAR
GEAR CASE
COLLAR
E
D
PINION GEAR SHIM
TAPER BEARING (50 x 82 x 21.5 mm)
(Inner race)
TAPER ROLLER BEARING
(30 x 62 x 40 mm)
(Inner race)
TAPER BEARING (50 x 82 x 21.5 mm)
(Outer race)
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