Transom Mounted
NOTE: Some installations may have 7/32 in. (5.6
mm) holes drilled in transom using four 5/16 in. diam-
eter stainless steel lag bolts in place of round head
screws. In any case, flat washers and O-rings are re-
quired as outlined.
a
b
c
d
e
f
g
a
b
h
i
J
72641
72640
a - Hose Nipple
b - Nut (4)
c - Gasket - Between Pickup and Transom
d - O-Ring (4)
Water Pickup Installed on Transom
e - Washer (4)
f - Screw (4)
a - Diagonal Mount - Leading Edge Of Pickup 1/8 In. (3.2 mm)
From Boat Bottom.
g - Plastic Pug
h - Pickup
b - Vertical Mount - Corner Of Leading Edge Of Pickup 1/8 In.
3.2
mm) From Boat Bottom
i - Screen
j - Screw (2)
5. Secure water pickup from inside with locknuts
and washers (unless using lag bolts).
1.
2.
Seal the inside edges of the 1-1/2 in. (38 mm)
hole hose nipple.
6.
Tighten fasteners securely.
Be certain hose nipple and plastic plug are in
place and threads have been sealed with Loctite
Pipe Sealant with Teflon prior to tightening each
securely.
Sea Strainer (Quicksilver)
NOTICE
NOTE: Use a sharp knife or wood chisel to remove
excess plastic plug material so that plug is flush with
pickup casting.
Refer to manufacturer’s instructions for in-
formation on removal and installation of
other than Quicksilver Sea Strainer.
3.
Position one flat washer and one rubber O-ring
oneach5/16in.x4in.(102mm)long,roundhead
screw as shown. Coat each screw shaft with sili-
cone sealant or equivalent.
Removal
4.
Place new gasket on pickup housing and hold
pickup in place on transom. Install four round
head screws (with washers and O-rings in place)
into pickup mounting holes and through drilled
!
CAUTION
If boat is in water while working on seawater
strainer, close seacock, if so equipped. If boat is
not equipped with a seacock, remove and plug
seawater inlet hose to prevent a siphoning action
that may occur, allowing seawater to flow from
the drain holes or removed hoses and enter boat.
21/64
in. (8.4 mm) holes in transom.
IMPORTANT: Be certain engine is off and cooling
system is cold.
Index
6A-4 - 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