Bravo Three Gear Housing Specifications - Mercury BRAVO Service Manual

BRAVO THREE GEAR HOUSING
Specifications
Torque Specifications
NOTE: Securely tighten all fasteners not listed below.
Oil Fill/Drain Screw
Drive Shaft Pinion Gear (Bolt)
Bearing Carrier (Left-Hand Thread)
Outer Propeller Shaft Bearing Retainer
Nut (Left-Hand Thread)
Drive Shaft Housing to Gear Housing
Nuts and Bolt
Anode Plate
Front Propeller Nut
Rear Propeller Nut
Bearing Preloads
Drive Shaft Bearing
Overall Preload Checked at Inner Propeller
Shaft (New Bearings)
Overall Gear Case Preload Checked at Inner
Propeller Shaft (Used Bearings)**
*Includes drive shaft preload
** A bearing is used if spun once under load.
Gear Ratio - Teeth per Gear (Gear Housing)
Page 3D-2
DESCRIPTION
DESCRIPTION
RATIO
2.43:1
2.20:1
2.00:1
1.81:1
1.65:1
1.50:1
1.36:1
lb-in.
40
DRIVE
13
16
16
16
18
15
15
SERVICE MANUAL NUMBER 28
lb-ft
45
150
200
35
20
100
60
lb-in.
3-5
8-18*
5-15*
DRIVEN
24
27
27
27
25
19
19
90-863160 MAY 2000
Nm
5
61
203
271
47.5
27
136
81
Nm
.3-.6
.9-2*
.6-1.7*
DRIVEN
24
27
27
27
25
19
19