EasyManua.ls Logo

O.S. engine MAX-21RG Series User Manual

O.S. engine MAX-21RG Series
16 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
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 vehicle, radio control equipment, etc.,
are accessible for checking at the same time.
1
2-5
6
7-8
8
9-12
12
13
15
15-18
21
23
24-27
28-29
30
13-14
21-22
18-19
20
SAFETY INSTRUCTIONS AND
WARNINGS ABOUT YOUR O.S. ENGINE
INTRODUCTION, BASIC ENGINE PARTS
INSTALLATION OF THE CARBURETOR
INSTALLATION OF THE ENNGINE
AIR CLEANER TYPE201
NOTES CONCERNING THE RECOIL STARTER
GLOWPLUG
TOOLS, ACCESSORIES, etc.
CARBURETOR CONTROLS,
STARTING THE ENGINE &
RUNNING-IN('Breaking-in)
FINAL ADJUSTMENT
CARBURETOR CLEANLINESS
BEFORE STARTING THE ENGINE
GUARANTEE
PRESSURIZED FUEL SYSTEM
CARE AND MAINTENANCE
22
O.S. GENUINE PARTS & ACCESSORIES
ENGINE EXPLODED VIEW
& ENGINE PARTS LIST
CARBURETOR EXPLODED VIEW
& PARTS LIST
THREE VIEW DRAWING
18
IF THE ENGINE FAILS TO START
CONTENTS
Question and Answer IconNeed help?

Do you have a question about the O.S. engine MAX-21RG Series and is the answer not in the manual?

O.S. engine MAX-21RG Series Specifications

General IconGeneral
Practical RPM2, 000 - 18, 000 RPM
Type2-stroke
Displacement3.5 cc
Fuel TypeGlow Fuel
Propeller Size9x6
Glow PlugO.S. #8
Shaft Diameter6 mm

Summary

OWNER'S INSTRUCTION MANUAL

SAFETY INSTRUCTIONS AND WARNINGS

WARNINGS

Covers events involving serious, potentially fatal injury from misuse or neglect.

NOTES

Covers other dangers, generally less obvious, that may cause damage or injury.

INTRODUCTION AND BASIC ENGINE PARTS

BASIC ENGINE PARTS

Diagram and labels of the engine's main components.

ENGINE AND COMPONENT INSTALLATION

INSTALLING THE GLOWPLUG

Instructions for correctly installing the glowplug into the cylinder head.

ENGINE MOUNTING

Guidance on securely mounting the engine to the vehicle chassis.

INSTALLATION OF THE CARBURETOR

Steps for securely fitting the carburetor into the engine's intake boss.

AIR CLEANER TYPE 201

Description of the heavy-duty wet type air cleaner for model cars.

ASSEMBLY

Step-by-step guide for assembling the air cleaner components.

INSTALLATION

Instructions for attaching the air cleaner to the carburetor.

REPLACEMENT OF ELEMENT

Guidelines for replacing the air filter element based on usage conditions.

PRE-OPERATION CHECKS AND PRECAUTIONS

BEFORE STARTING THE ENGINE

Checks and procedures before the initial engine start or daily operation.

FURTHER PRECAUTIONS

Additional safety and operational advice for the engine and air cleaner.

RECOIL STARTER AND GLOWPLUG SYSTEMS

NOTES CONCERNING THE RECOIL STARTER

Important warnings and handling instructions for the recoil starter mechanism.

GLOWPLUG

Information on glowplug types, function, and life extension.

GLOWPLUG LIFE

Tips for extending glowplug life and signs indicating replacement is needed.

TOOLS, ACCESSORIES, AND FUEL

TOOLS, ACCESSORIES, etc.

List of necessary tools and accessories for operating the engine.

FUEL

Recommendations for selecting and using suitable fuel for the engine.

GLOWPLUG BATTERY

Information on the power source for heating the glowplug.

BATTERY LEADS

Description of leads used to connect the battery to the glowplug.

LONG SOCKET WRENCH

Recommended tool for glowplug removal and replacement.

FUEL BOTTLE OR PUMP

Specification for the required tool to fill the fuel tank.

ELECTRIC STARTER AND STARTER BATTERY

Requirements for starting the engine using an electric starter.

SILICONE FUEL LINE

Specification for the heatproof silicone fuel line.

CARBURETOR CONTROLS AND OPERATION

CARBURETOR CONTROLS

Details on adjusting needle-valve, mixture screw, and throttle stop screw.

The Needle-Valve

Adjustment for mixture strength at full throttle.

The Mixture Control Screw

Adjustment for mixture at part-throttle and idle.

The Throttle Stop Screw

Setting the minimum idling speed.

PRESSURIZED FUEL SYSTEM

Recommendation for using a pressurized fuel system for consistent running.

STARTING THE ENGINE AND RUNNING-IN

RUNNING-IN PROCEDURE

Steps for properly breaking in the engine for optimal performance and life.

TROUBLESHOOTING AND FINAL ADJUSTMENT

IF THE ENGINE FAILS TO START

List of common issues to check when the engine won't start.

FINAL ADJUSTMENT

Procedures for fine-tuning the engine for optimal speed and response.

MIXTURE CONTROL VALVE ADJUSTMENT

Detailed steps for adjusting the mixture control for optimal performance.

CARBURETOR MAINTENANCE AND ADJUSTMENT

CARBURETOR CLEANLINESS

Importance of keeping carburetor fuel orifices clear for proper function.

BALL LINK AND SLIDE VALVE EXTENSION

Instructions for adjusting the ball link and slide valve extension.

REALIGNMENT OF MIXTURE CONTROL VALVE

Procedure to reset the mixture control valve to its standard position.

GENERAL CARE AND MAINTENANCE

BEFORE STARTING THE ENGINE

Checks and procedures before the initial engine start or daily operation.

CARE AND MAINTENANCE

Discusses fuel contaminants, filter cleaning, and after-run oil procedures.

GUARANTEE

PARTS AND ACCESSORIES

O.S. GENUINE PARTS & ACCESSORIES

Listing of available genuine parts and accessories for the engine.

ENGINE TECHNICAL VIEWS AND LISTS

21RG, 21RG(P) ENGINE EXPLODED VIEW

Diagram showing the exploded view of the engine components.

21RG, 21RG(P) ENGINE PARTS LIST

List of engine parts with corresponding codes and descriptions.

CARBURETOR TECHNICAL VIEWS AND LISTS

CARBURETOR EXPLODED VIEW

Diagram showing the exploded view of the carburetor components.

CARBURETOR PARTS LIST

List of carburetor parts with corresponding codes and descriptions.

ENGINE DIMENSIONS AND SPECIFICATIONS

THREE VIEW DRAWING

Technical drawings of the engine with dimensions.

SPECIFICATIONS

Key technical specifications of the engine, such as displacement and RPM.

Related product manuals