Drive Shaft And Pinion Bearing Inspection And Cleaning; Drive Shaft Disassembly - Mercury BRAVO Service Manual

SERVICE MANUAL NUMBER 28
Drive Shaft And Pinion Bearing
Inspection and Cleaning
1. The condition of the drive shaft tapered bearing cups is an indication of the condition of
2. The condition of the bearing surface on drive shaft at needle bearing location is an
3. Inspect splines for worn or twisted condition. Replacement of drive shaft is necessary
4. Clean all parts that are to be reused with solvent. Dry parts completely using

Drive Shaft Disassembly

NOTE: Bearing assembly must be replaced if removed from drive shaft. Tapered roller bear-
ings are damaged when removing.
1. Press tapered roller bearing from shaft using universal puller plate to support bearing.
90-863160 MAY 2000
the tapered roller bearings on the drive shaft. Replace bearing and bearing cup if cup
is pitted, grooved, scored, worn uneven, discolored from overheating or has embedded
metal particles.
indication of the condition of needle bearings. Replace needles and sleeve if pitted,
grooved, scored, worn uneven, discolored from overheating or has embedded metal
particles.
if either condition exists.
compressed air, being careful not to spin bearings.
Remove second tapered roller bearing in same manner.
a - Drive Shaft
b - Bearing
c - Universal Puller Plate (91-37241)
BRAVO ONE GEAR HOUSING
a
b c
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