O.S. Engines 91SZ-H PS Hyper - Manual

It is of vital importance, before attempting to
operate your engine, to read the general
'SAFETY INSTRUCTIONS AND WARNINGS'
section on pages 2-5 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 model, radio control equipment, etc.,
are accessible for checking at the same time.
1
CONTENTS
SAFETY INSTRUCTIONS AND
WARNINGS ABOUT YOUR O.S. ENGINE
NOTES ON INSTALLING,
COOLING-FAN AND CLUTCH
NOTES WHEN APPLYING AN ELECTRIC STARTER,
NOTES ON HEATING THE GLOW PLUG
INTRODUCTION, BEFORE STARTING
ENGINE PARTS NAME, INSTALLATION OF
THE STANDARD ACCESSORIES
INSTALLATION OF THE ENGINE,
FACTS ABOUT GLOWPLUGS
CARBURETOR CONTROLS
ABOUT THE PUMP SYSTEM
CARE OF FUEL PUMP AND REGURETOR
ABOUT THE PLUMBING
2-5
6
13-15
18-19
25-29
30-31
33
43
STARTING, RUNNING-IN ("Breaking-in")
ADJUSTMENT
CARBURETOR CLEANLINESS
ADJUSTMENT CHART
INSTALLATION OF THROTTLE SERVO
CARE AND MAINTENANCE
TROUBLE SHOOTING
ENGINE EXPLODED VIEW & PARTS LIST
CARBURETOR EXPLODED VIEW & PARTS LIST
O.S. GENUINE PARTS & ACCESSORIES
THREE VIEW DRAWING
MEMO
38-39
7-8
9-12
20
42
16-17
32
34-37
40-41
44
21-22
23-25