O.S. engine FSA-72 User Manual

It is of vital importance, before attempting to operate
your engine, to read the general 'SAFETY
INSTRUCTIONS AND WARNINGS' section on pages
2-6 of this booklet and to strictly adhere to the advice
contained therein.
●
Also, please study the entire contents of this
instruction manual, so as to familiarize yourself
with the controls and other features of the engine.
Keep these instructions in a safe place so that you
may readily refer to them whenever necessary.
It is suggested that any instructions supplied with
the aircraft, radio control equipment, etc., are
accessible for checking at the same time.
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1
2-6
7
8
9
10-13
20
21
27-28
34-35
36-37
38
17-18
SAFETY INSTRUCTIONS AND WARNINGS
ABOUT YOUR O.S. ENGINE
NOTES WHEN APPLYING AN ELECTTRIC STARTER
ABOUT THE ENGINE
ENGINE PARTS NAME
BEFORE STARTING
INSTALLATION
INSTALLING SILENCER
FUEL TANK & LINES
PROPELLER
GLOWPLUG
CONTENTS
MIXTURE CONTROLS
STARTING
RUNNING -IN ("Breaking-in")
IDLE MIXTURE ADJUSTMENT
CARE AND MAINTENANCE
ENGINE EXPLODED VIEW & PARTS LIST
CARBURETOR EXPLODED VIEWS
& PARTS LIST
GENUINE PARTS & ACCESSORIES
THREE VIEW DRAWING
MEMO
29-30
31-33
39
40
14-16
19
22-23
24-26

O.S. engine FSA-72 Specifications

General

Brand	O.S. engine
Model	FSA-72
Category	Engine
Language	English

Summary

Safety Instructions and Warnings

General Warnings

Covers events that might involve serious (even fatal) injury.

Before Starting Procedures

Propeller and Spinner Safety

Fuel Requirements

Engine Installation

Mounting Beam Alignment

Ensures mounting beams are parallel and in the same plane for secure installation.

Fastening Mounting Screws

Throttle Linkage Adjustment

Installing the Silencer

Fuel Tank and Lines

Fuel Tank Setup Guidelines

Propeller and Glow Plug

Propeller Safety and Checking

Emphasizes checking propeller tightness before each start for safety.

Mixture Controls

Type 61N Carburetor Details

Explains the two mixture controls on the Type 61N carburetor.

Starting the Engine

Starting Procedure

Step-by-step guide for starting the engine using an electric starter.

Running-In Procedure

Idle Mixture Adjustment

Idle Mixture Tuning Steps

Step-by-step guide for fine-tuning idle mixture for optimal response.

Care and Maintenance

General Maintenance Tips

Engine Parts Identification

Exploded View and Parts List

Carburetor Details

Carburetor Exploded View and Parts List