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Transcript of Mercruiser Hladilni Sistem 3.0 97hga6
A6
7474474744
COOLING SYSTEMS
SEAWATER COOLING SYSTEMS
6A-0 - SEAWATER COOLING SYSTEMS 90-806535970 1296
Table of ContentsPage
Specifications 6A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . MCM 181 CID / 3.0L 6A-1. . . . . . . . . . . . . . . . . . . MCM 262 CID / 4.3L 6A-2. . . . . . . . . . . . . . . . . . . 350 CID / 5.7L / 454 CID / 7.4L / 502 CID / 8.2L 6A-3. . . . . . . . . . . . . . . . . . . . . . . .
Identification 6A-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seawater Pump With Mechanical Fuel Pump (Inlet Hose On Top) 6A-4. . . . . . . . . . . . . . Seawater Pump Without Mechanical Fuel Pump(Inlet Hose On Bottom) 6A-4. . . . . . . . . . . . . . . . .
Thermostat and Thermostat Housing 6A-4. . . . . . . Two Piece Seawater Pump Assembly 6A-5. . . . One Piece Seawater Pump Assembly 6A-5. . . . Seawater Pump With Mechanical Fuel PumpAssembly 6A-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Flow Diagrams And Draining Locations 6A-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model Without Mechanical Fuel Pump 6A-7. . . . Model With Mechanical Fuel Pump 6A-7. . . . . . MCM 181 CID / 3.0L 6A-8. . . . . . . . . . . . . . . . . . . MCM 262 CID / 4.3L Alpha (Two Piece Manifolds Shown One Piece Similar) 6A-9. . . . MCM 262CID / 4.3L Bravo (Two Piece Manifolds Shown One Piece Similar) 6A-10. . . MCM 350 CID / 5.7L Alpha 6A-11. . . . . . . . . . . . MCM 350 CID / 5.7L Bravo 6A-12. . . . . . . . . . . . MCM and MIE 454 CID / 7.4L / 502 CID /8.2LWith Front Mounted Oil Cooler / Rear MountedPower Steering Cooler or Transmission Cooler /Port Side Fuel Cooler 6A-13. . . . . . . . . . . . . . . . . MIE 5.7L / 350 Magnum EFI and MPI Gen +Tournament Ski (Black Scorpion) 6A-15. . . . . . .
SEAWATER COOLED SYSTEMS - 6A-190-806535970 1296
Specifications
Units of MeasurementsIn. (mm)
Qts. (Litres)
MCM 181 CID / 3.0L
TORQUE SPECIFICATIONS
DESCRIPTION Lb. Ft. N⋅mPower Steering Pump Bracket
Thermostat Cover30 41
Thermostat Housing30 41
Water Circulating Pump
Water Temperature Sender 20 27
Water Temperature Switch
S l
Drain Plugs (See Note 1)
S lPetcocks
SecurelyPulleys
Securely
Hose Clamps
Throttle Lever Nut to Throttle Body Shaft
Note: 1 Coat threads with Quicksilver Perfect Seal before installing.
TOOLS/LUBRICANTS/SEALANTS
DESCRIPTION PART NUMBER
Universal Plate Puller 91-37241
Quicksilver Loctite 8831 92-823089-1
Quicksilver Perfect Seal 92-34227-1
Quicksilver 2-C-4 Marine Lubricant With Teflon 92-825407A3
Quicksilver Special Lubricant 101 92-13872A1
Flush Device 73971A2
Shell Alvania No. 2 Obtain Locally
SPECIFICATIONS
Cooling System Capacity 9 (8.5)
Thermostat (Brass) 140° F(62° C)
6A-2 - SEAWATER COOLING SYSTEMS 90-806535970 1296
MCM 262 CID / 4.3L
TORQUE SPECIFICATIONS
DESCRIPTION Lb. In. Lb. Ft. N⋅mAlternator Brace to Alternator 192 28
Alternator Brace to Block
Alternator to Mounting Bracket
Alternator/Power Steering PumpMounting Bracket
Power Steering Pump Brace toBlock 30 41
Power Steering Pump Bracket
Thermostat Cover
Thermostat Housing
Water Circulating Pump
Water Temperature Sender 20 27
Drain Plugs (See Note)
S lHose Clamps
SecurelyPetcocks
Securely
Pulleys
Note: Coat threads with Quicksilver Perfect Seal before installing.
TOOLS/LUBRICANTS/SEALANTS
DESCRIPTION PART NUMBER
Quicksilver Perfect Seal 92-34227-1
Quicksilver Flushing Attachment 73971A2
Quicksilver Liquid Neoprene 92-25711--2
Loctite Pipe Sealant with TeflonObtain Locally
Marine CaulkingObtain Locally
SPECIFICATIONS
Cooling System Capacity 15(14)
Thermostat (Type) Stainless 160° F (71° C)
SEAWATER COOLED SYSTEMS - 6A-390-806535970 1296
350 CID / 5.7L / 454 CID / 7.4L / 502 CID / 8.2LTORQUE SPECIFICATIONS
DESCRIPTION Lb. In. Lb. Ft. N⋅mAlternator Brace to Alternator 192 28
Alternator to Mounting Bracket
Alternator Mounting Bracket
Power Steering Pump Brace toBlock 30 41Power Steering Pump Bracket
Seawater Pump Brace
Seawater Pump Bracket to Block
Seawater Pump Clamping Screw onCast Bracket
20 17
Seawater Pump Cover 120 14
Thermostat Cover
Thermostat Housing 30 41
Water Circulating Pump
Water Temperature Sender 20 27
Drain Plugs (See Note)
S lHose Clamps
SecurelyPetcocks
Securely
Pulleys
Note: Coat threads with Quicksilver Perfect Seal before installing.
TOOLS/LUBRICANTS/SEALANTS
DESCRIPTION PART NUMBER
Quicksilver Perfect Seal 92-34227-1
Quicksilver Flushing Attachment 73971A2
Universal Puller Plate 91-37241
Quicksilver Loctite Type 8831 92-823089-1
Quicksilver Flushing Attachment 73971A2
Pulley Puller (Kent-Moore) J-25034
Quicksilver Liquid Neoprene 92-25711-2
Quicksilver Special Lubricant 101 92-13872A1
Quicksilver High Performance Gear Lube 92-816026A
Silicone Sealant or Equivalent
Ob i L llShell Alvania No. 2 Grease Obtain Locally
Loctite Pipe Sealant with Teflon
6A-4 - SEAWATER COOLING SYSTEMS 90-806535970 1296
SPECIFICATIONS
Cooling System Capacity 15(14.1)
Thermostat 160° F(71° C)
Identification
Seawater Pump With MechanicalFuel Pump (Inlet Hose On Top)
70346
c
a
b
d
e
a - Fuel Pumpb - Seawater Pumpc - Vent Screwd - Inlet Hosee - Outlet Hose
Seawater Pump Without MechanicalFuel Pump (Inlet Hose On Bottom)
72532bc
d a
e
a - Seawater Pumpb - Bracketc - Pulleyd - Inlet Hosee - Outlet Hose
Thermostat and ThermostatHousing
71758
b
c
d
a
e
a - Housingb - O-Ringc - Thermostat (Stainless Steel Style)d - Spacere - Gasket
SEAWATER COOLED SYSTEMS - 6A-590-806535970 1296
Two Piece Seawater Pump Assembly
72646
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1 - Screw (5)2 - Washer (5)3 - Cover4 - Gasket5 - Wear Plate (Outer)6 - Gasket7 - Plug8 - Impeller9 - Body10- Gasket11- Wear Plate (Inner)12- O-Ring or Quad Ring13- Oil Seal14- Housing15- Ball Bearing16- Shaft17- Ball Bearing18- Snap Ring19- Oil Seal20- Hub
One Piece Seawater Pump Assembly
74577
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1 - Screw (5)2 - Washer (5)3 - One Piece Body4 - Quad Ring5 - Impeller6 - Wear Plate7 - Oil Seal8 - Housing9 - Ball Bearing10- Shaft11- Ball Bearing12- Snap Ring13- Oil Seal14- Hub
6A-6 - SEAWATER COOLING SYSTEMS 90-806535970 1296
Seawater Pump With MechanicalFuel Pump Assembly
1
23
4
5
6
7
8
9
10
11
1213
1415
16
17
18
19
20
21
22
23
24
26
25
1 - Screw2 - Washer3 - Cover4 - Gasket5 - Outer Wear Plate6 - Gasket7 - Plug8 - Impeller9 - Body10- Gasket11- Inner Wear Plate12- Quad Ring13- Oil Seal14- Oil Seal15- Housing Assembly16- Lockwasher17- Nut18- Bearing19- Shaft Assembly20- Slip Ring21- Baring22- Retainer Ring23- Oil Seal24- Pulley25- Lockwasher26- Screw (Magnetic)
SEAWATER COOLED SYSTEMS - 6A-790-806535970 1296
Water Flow Diagrams And Draining LocationsNOTE: The cubic inch / litre designations listed in the Water Flow Diagrams and Draining Locations refer to en-gine size only, not to the model designation.
IMPORTANT: After cooling system has been drained completely, install and tighten securely all drainplugs. Reconnect all hoses and tighten all hose clamps securely.
! CAUTIONThe seawater pumps shown below have different seawater inlet hose locations. During the procedure,ensure that the seawater inlet hose is installed in the same location. Failure to properly connect thehoses could result in serious engine damage.
Model Without Mechanical FuelPump Mounted On Seawater Pump
72532
a
a - Seawater Inlet Hose
Model With Mechanical Fuel PumpMounted On Seawater Pump
70346
a
a - Seawater Inlet Hose
6A-8 - SEAWATER COOLING SYSTEMS 90-806535970 1296
MCM 181 CID / 3.0L
a
a
b
c
c
b
50745
a - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)
SEAWATER COOLED SYSTEMS - 6A-990-806535970 1296
MCM 262 CID / 4.3L Alpha (Two Piece Manifolds Shown, One Piece Similar)
a
b
b
c
c
74816
NOTE 1
d
NOTE 1: Fuel cooler shown for Fuel Injection Modelsa - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)d - Drain Plug In Cooler
6A-10 - SEAWATER COOLING SYSTEMS 90-806535970 1296
MCM 262CID / 4.3L Bravo (Two Piece Manifolds Shown One Piece Similar)
a
b
b
c
c
74818
a
NOTE 1
d
NOTE 1: Fuel cooler shown for Fuel Injection Modelsa - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)d - Drain Plug In Cooler
SEAWATER COOLED SYSTEMS - 6A-1190-806535970 1296
MCM 350 CID / 5.7L Alpha
74491
a
b
b
c
c
NOTE 1
d
NOTE 1: Fuel cooler shown for Fuel Injection Modelsa - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)d - Drain Plug In Cooler
6A-12 - SEAWATER COOLING SYSTEMS 90-806535970 1296
MCM 350 CID / 5.7L Bravo
74071
c
c
a
b
a
b
NOTE 1
d
NOTE 1: Fuel cooler shown for Fuel Injection Modelsa - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)d - Drain Plug In Cooler
SEAWATER COOLED SYSTEMS - 6A-1390-806535970 1296
MCM and MIE 454 CID / 7.4L / 502 CID /8.2L With Front Mounted Oil Cooler /Rear Mounted Power Steering Cooler or Transmission Cooler / Port Side FuelCooler
74744
b
b
a
c
c
a
NOTE 1
d
NOTE 1: Fuel cooler shown for Fuel Injection Modelsa - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)d - Drain Plug In Cooler
6A-14 - SEAWATER COOLING SYSTEMS 90-806535970 1296
MIE 5.7L / 350 Magnum EFI and MPI Gen + Tournament Ski (Black Scorpion)
a
a
b
b
c
c
74857
NOTE 1
d
a - Remove Hoses (Lift, Lower or Bend To Completely Drain).b - Remove Block Plugs (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire System Is Drained).c - Remove Drain Plugs From Exhaust Exhaust Manifold Drain Elbows (Repeatedly Clean Out Holes Using A Stiff Wire Until Entire
System Is Drained)d - Drain Plug In Cooler
THIS PAGE IS INTENTIONALLY BLANK TOALLOW FOR CORRECTIONS OR ADDITIONS
AT A LATER DATE
SEAWATER COOLED SYSTEMS - 6A-1590-806535970 1296
THIS PAGE IS INTENTIONALLY BLANK TOALLOW FOR CORRECTIONS OR ADDITIONS
AT A LATER DATE
6A-16 - SEAWATER COOLING SYSTEMS 90-806535970 1296