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O.S. engine MAX FXi 46 User Manual

O.S. engine MAX FXi 46
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© Copyright 2003 HCAZ3085
MAX FXi 46
OWNER’S INSTRUCTION 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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O.S. engine MAX FXi 46 Specifications

General IconGeneral
Type2-stroke
Fuel TypeGlow fuel
Recommended Propeller Sizes10x6
Glow PlugO.S. #8
Displacement7.45cc (0.454 cu. in.)

Summary

SAFETY INSTRUCTIONS AND WARNINGS ABOUT YOUR O.S. ENGINE

WARNINGS!

Covers events that might involve serious injury, potentially fatal.

NOTES!

Covers less obvious sources of danger that may cause damage or injury.

FEATURES OF FXI SERIES ENGINE

Common Accessories

Lists common accessories included with the engine.

BEFORE INSTALLING THE ENGINE

Installing the Glow Plug

Step-by-step guide for installing the glow plug.

Connecting the Fuel Tubing

Instructions for connecting fuel tubing to the engine.

BASIC ENGINE PARTS

INSTALLATION OF THE ENGINE

Installation in the Model

Specific guidance on how to mount the engine in the model.

THROTTLE LINKAGE

Details how to set up the throttle linkage for proper operation.

MUFFLER

FUEL TANK LOCATION

GLOW PLUG

The Role of the Glow Plug

Describes how the glow plug functions in the engine.

Glow Plug Life

Provides advice on extending glow plug lifespan and performance.

When to Replace the Glow Plug

FUEL

PROPELLERS

MIXTURE CONTROLS

The Needle Valve (at rear of engine)

Details the function of the needle valve for mixture control.

The Mixture Control Valve (carburetor)

Describes the role of the carburetor's mixture control valve.

BEFORE STARTING

Tools and Accessories

Lists essential tools and accessories for engine operation.

Fuel and Fuel Tank

Details fuel requirements and recommended fuel tank size.

Glow Plug Battery

Describes the power source for the glow plug.

STARTING

Install Propeller and Prepare for Starting

Step 1: Propeller installation and starter preparation.

Prepare for Electric Starting

Step 2: Preparation for electric starting.

Fill Fuel Tank

Step 3: Fuel tank filling and overflow prevention.

Set Needle Valve for Starting

Step 4: Setting the needle valve for starting.

RUNNING-IN (“Breaking-In")

Running-in Step 1: Engine Installation

Step 1 of running-in: engine installation.

Running-in Step 2: Cycle Alternation

Step 2 of running-in: two-cycle/four-cycle alternation.

Running-in Step 3: Final Adjustment

Step 3 of running-in: final adjustment.

Running-in Step 4: Adjusting During Flights

Step 4 of running-in: adjusting during flights.

Optimum Needle Setting (1)

Guides setting the needle valve for full throttle.

Optimum Needle Setting (2)

NEEDLE-VALVE ADJUSTMENT DIAGRAM

IDLING ADJUSTMENT CHART

MIXTURE CONTROL VALVE ADJUSTMENT

REALIGNMENT OF MIXTURE CONTROL VALVE

SUBSEQUENT STARTING PROCEDURE

SUBSEQUENT READJUSTMENT

CARBURETOR CLEANLINESS

ENGINE CARE & MAINTENANCE

O.S. ENGINES LIMITED WARRANTY

EXPLODED VIEW

ENGINE PARTS LIST

CARBURETOR EXPLODED VIEW

CARBURETOR PARTS LIST

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