It is of vital importance, before attempting to
operate your engine, to read the general
'SAFETY INSTRUCTIONS AND WARNINGS'
section on pages 2-4 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.
Inline four-cylinder overhead-valve
four-stroke-cycle engine
1
SAFETY INSTRUCTIONS AND
WARNINGS ABOUT YOUR O.S. ENGINE
NOTES WHEN APPLYING AN
ELECTRIC STARTER
ABOUT THE ENGINE
ENGINE PARTS NAME
INSTALLATION
FUEL TANK & LINES
GLOWPLUG
MIXTURE CONTROLS
PROPELLER
GLOWPLUG HEATING
FUEL AND LUBRICATION
CONTENTS
STARTING
RUNNING-IN ("Breaking-in")
THROTTLE VALVE ADJUSTMENT
FLIGHT & MAINTENANCE
VALVE CLEARANCE ADJUSTMENT
ENGINE EXPLODED VIEW
ENGINE PARTS LIST
CARBURETOR EXPLODED VIEW
& PARTS LIST
O.S. GENUINE PARTS & ACCESSORIES
ENGINE THREE VIEW DRAWINGS
2-4
5
6
7-8
9-10
11
12
13
14-15
16-17
18
19-22
23
24-26
27
28-29
30
31
32
33
34
