BRAVO THREE GEAR HOUSING
SERVICE MANUAL NUMBER 28
Example:
Total Gear/Spline Backlash
(Reading - Step 8d Above): .030 In. (0.75 mm)
Minus
Spline Lash (From Propeller
Shaft Spline Lash Check
on page 3D-22):
.016 In. (0.4 mm)
.014 In. (0.35 mm)
Equals
Actual Gear Backlash:
g. If backlash is not correct, disassemble and proceed as follows:
If backlash ismore than specified, add shims behind front driven gear bearing cup.
If backlash is less than specified, remove shims behind front driven gear bearing
cup.
h. Recheck backlash reading after reassembly.
Rear driven gear shimming.
9.
a. Position gear housing so that propeller shafts are facing down in the vertical position.
Loosen locking bolt on drive shaft retaining tool and rotate propeller shafts several
times to seat bearings prior to making checks. Lightly press down on drive shaft re-
taining tool to ensure bearings are seated in bearing cups, then tighten locking bolt
to retain drive shaft.
b. Install backlash indicator rod to outer propeller shaft as shown. Mount dial indicator
to bearing carrier and position probe on mark stamped in indicator rod.
c
b
a
75907
a - Backlash Indicator Rod
b - Outer Propeller Shaft
c - Dial Indicator
c. Check gear/spline lash by lightly rotating outer propeller shaft back and forth. Ob-
serve dial indicator and record reading.
d. From the Gear/Spline Lash reading checked earlier, subtract reading obtained from
Propeller Shaft Spline Lash Check. Actual gear backlash should be between
.012-.016
in. (0.3-0.4 mm).
INDEX
Page 3D-40
90-863160 MAY 2000
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | MerCruiser Sterndrives 90-863160 |
| Model Year | 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 3 out of 3)
Marine readers have rated Mercury MerCruiser Bravo Outdrives Sterndrives Marine Engines Service Manual Number 28 3.0 out of 3.0 based on 1 product reviews. I could not find any mention of the seawater pump assembly.
Maybe I have the wrong unit