Water Pump - Mercury 40 Service Manual

Water Pump

1. Install water pump seal carrier.
2. Install exhaust deflector plate, if removed.
b
a - Seal Carrier
b - Exhaust Deflector
3. Install base gasket, face plate, pump cover gas-
ket (NEOPRENE STRIP FACES UP), nylon
washer and impeller key.
d
f
a
a - Base Gasket
b - Base Plate
c - Cover Gasket
d - Neoprene Strip
e - Nylon Washer
f - Key
IMPORTANT: If impeller being installed has been
previously used and vanes have taken a "set,"
DO NOT INSTALL THE IMPELLER WITH THE
VANES REVERSED FROM THEIR PREVIOUS
"SET" AS VANE BREAKAGE WILL OCCUR
SHORTLY AFTER UNIT IS RETURNED TO SER-
VICE.
6A-26 - LOWER UNIT
a
52832
c
e
b
52868
4. Install impeller and nylon washer.
b
a - Impeller
b - Nylon Washer
NOTE: Apply a light coat of 2-4-C w/Teflon to inside
of pump cover to ease installation of cover over im-
peller.
5. Install pump cover. Rotate drive shaft CLOCK-
WISE while pressing cover down over impeller.
6. Apply Loctite 271 to retaining bolts and torque
bolts to 60 lb. in. (6.8 N·m).
a
Loctite "271" (92-809819)
7
a - Cover
b - Bolts [Torque to 60 lb. in. (6.8 N·m)]
a
52869
b
7
52830
90-852572R1 JANUARY 1998