Owner`s manual
NOTE: IF DURING IMPELLER REPLACEMENT THE PUMP SHAFT CAME FORWARD, IT
COULD HAVE COME OUT OF THE GROOVE AND DRIVE ADAPTOR. IF SO, YOU MUST COM-
PLETE THE FOLLOWING. NOTE - ON NEWER UNITS WITHOUT A MOUNTING SPACER BET-
WEEN THE PUMP AND ENGINE BLOCK YOU DO NOT HAVE A DRIVE ADAPTOR
TO
BE CON-
CERNED ABOUT. HOWEVER, YOU MUST ALIGN THE SHAFT TANG AND THE DRIVE
GROOVE
WHEN REINSTALLING THE PROPELLER SHAFT.
1. Loosen and remove the two capscrews holding the pump body to engine.
2.
Slowly move pump away from engine as the adaptor will come out.
3. Complete the replacement
of
impeller as noted above.
4. The pump shaft will now be protruding through the body mounting flange.
5.
-Place the adaptor on to the pump shaft aligning the pin on the groove. On later models this
may not be present, the pump may mount direct to engine block.
6.
Align the slot on the other side
of
adaptor with the drive shaft in engine and place pump on
engine.
7.
Hold in place and start the two mounting capscrews. TIGHTEN FINGER TIGHT SO PUMP
IS FREE TO MOVE AND ALIGN ITSELF. ON 1987 MODELS THE PUMP HAS A PILOT
FOR SELF ALIGNING, JUST
MOUNT AND TIGHTEN.
8.
Open sea water valve and start engine at idle. This will align pump to the drive and adaptor.
9.
Stop engine -
now
tighten capscrews carefully.
CAUTION:
BE VERY CAREFUL DUE TO V-BELT MOVING ON FRONT
OF
ENGINE.
10. Feel
the bearings to make sure they
·are
not hot; they are located in the center
of
pump
body.
11. Alignment of
pump
can also be accomplished by turning engine over with the starter while
decompression lever is in the open position, approximately 5 to
10 revolutions. Release
starter button and decompression lever - tighten water
pump
screws.
NOTE: THERE ARE
TWO TYPES
OF
SEA WATER-RUBBER IMPELLER PUMPS USED. ORBER-
DORFER PUMP HAS 4 SCREWS SECURING COVER TO PUMP BODY AND SHERWOOD
PUMP WHICH HAS 6 SCREWS SECURING COVER TO PUMP BODY. NOTE WHICH PUMP
YOU HAVE ON COVER OF THIS MANUAL.
IT
IS RECOMMENDED
TO
HAVE A SPARE IM-
PELLER AND COVER GASKET ON BOARD AT ALL TIMES.
ORBERDORFER IMPELLER NO. 295628
SHERWOOD IMPELLER NO. 287439
COVER GASKET NO.
295626
COVER GASKET NO. 295745
CAUTION: DO NOT RUN PUMPS DRY OR WITH SEA INLET VALVE CLOSED. LACK OF
WATER WILL CAUSE EXCESSIVE HEAT BUILD UP DAMAGING OR DESTROYING THE RUB-
BER
IMPELLER, AND ENGINE WILL OVERHEAT.
IF VANES
COME
OFF
IMPELLER THEY MUST BE LOCATED AND REMOVED TO INSURE
THEY ARE NOT BLOCKING OR RESTRICTING THE COOLING WATER FLOW IN THE ENGINE,
HOSES, OR FITTINGS. \
NEW STYLE PUMPS HAVE A PILOT AND CAN BE MOUNTED AND BOLTED TIGHT WITHOUT
TURNING
THE ENGINE OVER.
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