Mercury BRAVO Service Manual page 253

SERVICE MANUAL NUMBER 28
12. Determine shim thickness required for drive shaft bearing preload using the following
90-863160 MAY 2000
procedure or use original thickness shims.
a. Measure distance between top of gear housing and tab washer using a 0-1 in. depth
micrometer.
a - Depth Micrometer
b - Tab Washer
b. Measure thickness of spacer from top machined surface to bottom machined sur-
face.
b
a - Outside Micrometer
b - Spacer
c. Calculate shim thickness as shown.
Measurement from Step a. -minus-
Measurement from Step b. + .001 in. =
Shim Thickness Required.
BRAVO TWO GEAR HOUSING
a
b
a
22259
22112
Page 3C-33