Mariner 70 Service Manual page 3

Cleanliness and Care of
Outboard Motor
A marine power product is a combination of many ma-
chined, honed, polished and lapped surfaces with tol-
erances that are measured in the ten thousands of an
inch. When any product component is serviced, care
and cleanliness are important. Throughout this
manual, it should be understood that proper cleaning,
and protection of machined surfaces and friction
areas is a part of the repair procedure. This is consid-
ered standard shop practice even if not specifically
stated.
Whenever components are removed for service, they
should be retained in order. At the time of installation,
they should be installed in the same locations and
with the same mating surfaces as when removed.
Before raising or removing an outboard engine from a
boat, the following precautions should be adhered to:
1. Check that flywheel is secured to end of
crankshaft with a locknut and lifting eye is
threaded into flywheel a minimum of 5 turns.
2. Connect a hoist of suitable strength to the lifting
eye.
In addition, personnel should not work on or under an
engine which is suspended. Engines should be at-
tached to work stands, or lowered to ground as soon
as possible.
We reserve the right to make changes to this manual
without prior notification.
Refer to dealer service bulletins for other pertinent in-
formation concerning the products described in this
manual.
Service Manual Outline
1 - General Information and Specifications
2 - Electrical and Ignition
A - Ignition System
B - Battery, Charging System and
Starting System
C - Timing/Synchronizing and Adjusting
D - Wiring Diagrams
3 A - Fuel System and Carburetion
B - Oil Injection System
4 A - Powerhead (3-Cylinder Engines)
B - Powerhead (4-Cylinder Engines)
5 - Lower Unit
A - Gear Housing
B - Mid Section
C - Shock Absorber
6 - Power Trim
A - Design I (Side Fill Reservoir)
B - Design II (Aft Fill Reservoir)
C - Single Ram
7 - Outboard Motor Installation/Attachments
A - Engine Attachments/Engine Installation
B - Tiller Handle and Co-Pilot