6C-30 - LOWER UNIT 90-824052R3 JUNE 2002
Water Pump
REASSEMBLY/INSTALLATION
1. Install divider block; use RTV Sealer to seal
seams between divider block and gear housing.
2. Install oil seals into water pump base, as follows:
a. Place water pump base on a press.
b. Just before installing each seal apply Loctite
271 on outside diameter of oil seal.
c. With a suitable mandrel, press the smaller
diameter oil seal into pump base with lip of oil
seal toward impeller side of base.
d. With a suitable mandrel, press the larger
diameter oil seal into pump base with lip of oil
seal toward gear housing side of base.
e. Wipe any excess Loctite from oil seals and
water pump base.
b
c
a
51869
a - Mandrel
b - Oil Seal (Smaller OD)
c - O-ring Groove
3. Install O-ring into O-ring groove of water pump
base.
4. Lubricate O-ring and oil seals with 2-4-C w/Teflon
Marine Lubricant (92-90018A12).
5. Install a new water pump base gasket and install
water pump base.
a
d
b
c
51866
a - Water Pump Base
b - Gasket
c - Hole
d - O-ring
6. Install the following in order:
1. Pump base to face plate gasket
2. Face plate to pump cover gasket.
Gaskets and face plate are indexed by dowel pin
location and must be installed correctly.
c
a
b
51868
a - Gasket (Water Pump Base to Face Plate)
b - Face Plate
c - Gasket (Face Plate to Water Pump Cover)
7. Place impeller drive key on flat of driveshaft. Hold
key on driveshaft with a small amount of
Quicksilver 2-4-C w/Teflon Marine Lubricant.
IMPORTANT: When completing gear housing
repair, that requires removal of water pump
impeller, it is recommended that the impeller be
replaced. If it is necessary, however, to reuse the
impeller, DO NOT install in reverse to original
rotation, or premature impeller failure will occur.
Original rotation is clockwise.
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