6.
7.
8.
Connect all electrical leads.
1. Install push rods in their original locations. Be
sure push rods seat in lifter socket.
Connect hoses to thermostat housing.
2.
Install rocker arms, rocker arm balls and rocker
arm bolts in their original locations. Torque to
specification.
Install fuel line and sight tube to carburetor and
fuel pump.
9.
Connect crankcase ventilation hoses to rocker
arm covers. Reconnect throttle cable to carbure-
tor.
Valve Adjustment
10.
Install distributor. Position rotor and housing to
align with marks made during removal, then in-
stall distributor cap.
No adjustment is required. Valve lash is automatical-
ly set when rocker arm bolts are torqued to 45 lb. ft.
(61
N·m).
11.
12.
13.
Install other ignition components and reconnect
wires.
Connect any other items which were discon-
nected from manifold during removal.
Hydraulic Valve Lifters
(Flat and Roller Lifter)
Start engine. Adjust ignition timing and carbure-
tor. Check hose connections, gaskets and seals
for leaks.
1
2
3
14.
Inspect fuel line connections for fuel leaks.
4
5
6
7
8
Rocker Arm / Push Rod
9
Removal
NOTE:When servicing only one cylinder’s rocker
arms,bringthatcylinder’s pistonuptoTDCbeforere-
moving rocker arms. When servicing all rocker arms,
bring No. 1 piston up to TDC before removing rocker
arms.
1
2
3
4
72030
5
6
7
8
1.
2.
Remove rocker arm covers as outlined.
Remove rocker arm assemblies and push rods.
9
IMPORTANT: Place rocker arm assemblies and
push rods in a rack for reassembly in their origi-
nal locations.
Cleaning and Inspection
1.
Clean parts with solvent and dry with com-
pressed air.
72031
2.
Inspect all contact surfaces for wear. Replace all
damaged parts.
1
2 - Push Rod Seat
- Push Rod Seat Retainer
3
4
5
6
7
8
- Metering Valve
- Plunger
- Check Ball
- Check Ball Spring
- Check Ball Retainer
- Plunger Spring
Installation
IMPORTANT: When installing rocker arms and
rocker arm balls, coat bearing surfaces of rocker
arms and rocker arm balls with engine oil.
Index
9 - Lifter Body
3A-24 - 454 C.I.D. (7.4L) / 502 C.I.D. (8.2L)
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