Service manual

BRAVO TWO GEAR HOUSING
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 3C-39
25. Install bearing carrier and tab washer in gear housing.
26. Lubricate threads on bearing carrier retaining nut with Quicksilver Special Lubricant
101. Install and tighten bearing carrier retainer nut until resistance to propeller shaft
rotation can be felt (to preload bearings).
d
e
c
c-Tab Washer – V-Notch In Recess In Carrier
d-Bearing Carrier
e-Bearing Carrier Retainer Nut
27. To determine overall gear case preload, add drive shaft bearing preload (previously
recorded) to propeller shaft bearing preload as outlined in the example below.
IMPORTANT: The overall preload includes both the drive shaft preload and the gear
case preload.
Preloads
New Propeller Shaft Bearings 8-12 lb-in. (.9-1.4 Nm)
2
Used Propeller Shaft Bearings
1
5-8 lb-in. (.6-.9 Nm)
2
Drive Shaft Bearings
3-5 lb-in. (.3-.5 Nm)
1
Bearing is considered used if spun under load even once (“under load” meaning: with power applied).
2
Plus drive shaft preload of 3-5 lb-in. (.3-.6 Nm)
Example:
Drive Shaft Preload. . . . . . . . . . . . 3 lb-in. (.3 Nm)
+
New Bearing Preload. . . . . . . . . . . . 8 lb-in. (.9
Nm)
11 lb-in. (1.2 Nm)
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