O.S. engine MAX-55HZ HYPER User Manual

It is of vital importance, before attempting to operate
your engine, to read the general 'SAFETY
INSTRUCTIONS AND WARNINGS' section on
pages 2-5 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
2-5
6-7
8-9
10-12
17
21-25
31
38-39
40-41
42
26-30
18
32-33
34-37
13-16
19-20
43
44
CONTENTS
SAFETY INSTRUCTIONS AND
WARNINGS ABOUT YOUR O.S. ENGINE
NOTES ON INSTALLING
COOLING-FAN AND CLUTCH
NOTES WHEN APPLYING AN ELECTRIC STARTER,
INSTALLATION OF THROTTLE SERVO
NOTES ON HEATING THE GLOW PLUG
INTRODUCTION, ENGINE PARTS NAME 
BEFORE STARTING,
INSTALLATION OF THE ENGINE
INSTALLATION OF THE GLOW PLUG & CARBURETOR
GLOWPLUGS
CARBURETOR CONTROLS
STARTING, RUNNING-IN ("Breakingin")
ADJUSTMENT
ADJUSTMENT CHART
CARE AND MAINTENANCE
TROUBLE SHOOTING
ENGINE EXPLODED VIEW & PARTS LIST
CARBURETOR EXPLODED VIEW & PARTS LIST
O.S. GENUINE PARTS & ACCESSORIES
THREE VIEW DRAWING
MEMO

O.S. engine MAX-55HZ HYPER Specifications

General

Brand	O.S. engine
Model	MAX-55HZ HYPER
Category	Engine
Language	English

Summary

Safety Instructions and Warnings

General Warnings

Events that might involve serious (potentially fatal) injury.

General Notes

Notes on Applying an Electric Starter

Electric Starter Usage

Installation of Throttle Servo

Before Starting

Items Necessary for Starting

Starting Methods

Installation of the Engine

Engine Mount Alignment

Installation of the Glow Plug and Carburetor

Glow Plug Installation

Carburetor Installation

Glowplugs

Carburetor Controls

High-Speed Needle Valve

Setting main fuel/air mixture for maximum power at full throttle.

Idle Mixture Control Screw

Manually adjusting mixture control valve for best idling performance.

Medium Speed Needle Valve

Starting Procedure

Basic Mixture Control Screw Position

Engine Starting Steps

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

Adjustment

General Adjustment Procedure

Guidelines for adjusting needle valves based on fuel and engine needs.

Adjustment Procedure Details

Steps for warming up, checking idle, and adjusting mixture for throttle response.

Hovering and High-Speed Adjustment

Adjusting mixture for hovering and full throttle performance.

Final Adjustment Tuning

Adjusting Chart

Care and Maintenance

Fuel System Maintenance

Engine Storage and Cleaning

Trouble Shooting

Engine Fails to Fire

Common causes and corrective actions when the engine doesn't start.

Engine Fires Intermittently

Troubleshooting intermittent engine running issues and causes.

Unstable Idle and Poor Response

Poor RPM Drop

Engine Exploded View

Engine Parts List

Carburetor Exploded View

Carburetor Parts List