Identification
Seawater Inlet
Recommendations
Combination Seawater / Mechanical
Fuel Pump
Transom Mounted or Thru-Hull
Seawater Pickups and Hose
Water pickup must be large enough to permit suffi-
cient water flow to engine seawater pickup pump for
adequate engine cooling [30 gal. per min. (114 L per
min.) minimum]. Pickup also must supply a positive
head while underway.
a
e
! CAUTION
Do not install water pickup directly in line with
propeller, as pickup may create turbulence and
allow air to flow into the “propeller slipstream.”
This will cause propeller ventilation and will ad-
versely affect boat performance.
c
d
70346
b
Water pickup should be located as close to seawater
pickup pump inlet as possible and in an area where
an uninterrupted, solid stream of water will flow past
whenboatisunderway.Connectwaterpickuptosea-
water pickup pump inlet with 1-1/4 in. (32 mm) I.D.
wire reinforced hose of adequate wall thickness to
prevent it from collapsing from pump suction. Be sure
to secure hose connections with hose clamps.
a - Fuel Pump
b - Seawater Pump
c - Vent Screw
d - Drain Screw, If Equipped
e - Inlet Hose
Seawater Pump With Cool Fuel
System
a
b
72352
a - Inlet Hose
b - Seawater Pump
Index
6A-2 - SEAWATER COOLED SYSTEMS
90-823224--2 796
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you