Mercury 150 EFI Service Manual page 369

POWERHEAD
1. If removed, press lower crankshaft ball bearing onto crankshaft as shown. Be sure bear-
ing is pressed firmly against counterweight.
2. Reinstall retaining ring using a suitable pair of Snap Ring Pliers.
a
a
3. If removed, spread new crankshaft sealing rings just enough to slide over crankshaft
journal.
4. Use Piston Ring Expander (91-24697) and install crankshaft sealing rings into groove.
Page 4A-52
a - Crankshaft
b - Crankshaft Ball Bearing
c - Suitable Mandrel
d - Press
e - Retaining Ring
a
a - Crankshaft Sealing Rings
b - Piston Ring Expander (91-24697)
e
a
d
d
c
c
b
b
51852
b
51854
51854
51849
90-883728 JULY 2001