6B-20 - LOWER UNIT 90-830234R3 DECEMBER 1997
Jet Drive Installation
Reassembling Water Pump to Jet
Drive
NOTE: Replace cover if thickness of steel at dis-
charge slots is 0.060 in. (1.524mm) or less, or if
groove(s) (other than impeller sealing groove) in cov-
er roof are more than 0.030 in. (0.762mm) deep.
NOTE: Replace impeller if:
a.
Impeller blades are cracked, torn or worn.
b.
Impeller is glazed or melted (caused by insuf-
ficient water supply).
c.
Rubber portion of impeller is not bonded to
impeller hub.
1. Install spacer.
2. Install base gasket, base plate, pump cover gas-
ket (NEOPRENE STRIP FACES UP) and impel-
ler 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
SERVICE.
3. Install impeller.
NOTE: Apply a light coat of 2-4-C w/Teflon to inside
of pump cover to ease installation of cover over im-
peller.
4. Install pump cover. Rotate drive shaft CLOCK-
WISE while pressing cover down over impeller.
5. Apply Loctite 271 to retaining bolts and torque
bolts to 60 lb. in. (6.8 N·m).
a
b
c
d
e
f
g
h
i
a
7
Loctite 271 (92-809820)
95
2-4-C With Teflon (92-825407A12)
95
7
54166
a - Bolts (2 each side) [Apply Loctite 271. Torque to 60 lb. in.
(6.8 N·m)]
b - Seal
c - Cover
d - Impeller
e - Key
f - Gasket
g - Plate
h - Gasket
i - Spacer
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