Mercury 305 CID, Service Manual, Page: 786 / 967

6B-12 - CLOSED COOLING MODELS 90-823225--1 1096
3. Using an arbor press and suitable tool, press ball
bearings onto shaft until they seat. Press on inner
race of bearing only.
72663
a
a - Bearings
4. Pack bearings and cavity between bearings with
Shell Alvania No. 2 Grease or substitute. Slide
bearings and shaft into bearing housing bore and
install snap ring.
72661
a
72658
b
a - Shaft with Bearings
b - Snap Ring
5. Apply a thin coat of Quicksilver Loctite 8831 to
outside diameter of new bearing housing front oil
seal and press seal into housing (with seal lip fac-
ing inward) until it bottoms out.
72662
a
a - Front Oil Seal
IMPORTANT: Be sure to support impeller end of
pump shaft when installing pulley hub in next
step to prevent placing a load on bearings.
6. Apply Quicksilver Special Lubricant 101 to pump
shaft. Using an arbor press and appropriate tool,
press pulley hub onto pump shaft to dimension
shown.
72664
a
a - 17/64 In. (6.5mm)
IMPORTANT: Pulley hub must be pressed onto
shaft to exact dimension on pumps with stamped
steel mounting bracket as this establishes prop-
er drive belt alignment.