Mercury 90-863160

SERVICE PROCEDURES REQUIRING MAJOR DISASSEMBLY
SERVICE MANUAL NUMBER 28
90-863160 MAY 2000 Page 4B-37
Reassembly
1. Driveshaft Housing - insert spring, check ball and seal cup. Press or tap carefully on
seal cup until outer face is flush with casting surface. Do not use sealant.
2. Bell Housing - coat O-rings with gear lube. Insert check valve assembly into
passageway. Place 3/8 in. deep wall socket over valve end and tap into casting until
shoulder surface “e” is flush with casting surface.
50321
b
a
d
e
g
f
c
a-Seal Cup
b-Check Ball
c-Spring
d-Bell Housing Check Valve Assembly
e-Surface Flush with Casting
f-O-rings (2)
g-Valve End