LOWER UNIT - 6C-1790-817643R1 DECEMBER 1996
Installing Jet Drive to Drive
Shaft Housing
Reassembling Water Pump to Jet
Drive
NOTE: Replace cover if thickness of steel at discharge
slots is 0.060 in. (1.524mm) or less, or if groove(s) (oth-
er than impeller sealing groove) in cover 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 insuffi-
cient water supply.)
c. Rubber portion of impeller is not bonded to im-
peller hub.
1. Install base plate, pump cover gasket (NEO-
PRENE STRIP FACES UP) and impeller 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.
2. Install impeller.
NOTE: Apply a light coat of 2-4-C w/Teflon to inside of
pump cover to ease installation of cover over impeller.
3. Install pump cover. Rotate drive shaft CLOCK-
WISE while pressing cover down over impeller.
4. Apply Loctite 271 to retaining bolts (4) and torque
to 60 lb. in. (6.8 N·m).
95
2-4-C With Teflon (92-825407A12)
95
b
c
d
e
f
g
a
54258
a - Bolts (4) [Apply Loctite 271. Torque to 60 lb. in. (7.0 N·m)]
b - Seal
c - Cover
d - Key
e - Impeller
f - Gasket
g - Plate
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