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O.S. engine MAX-15CV-A - User Manual

O.S. engine MAX-15CV-A
34 pages
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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.
MAX-15CV-A, 25FX, 32SX
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O.S. engine MAX-15CV-A Specifications

General IconGeneral
BrandO.S. engine
ModelMAX-15CV-A
CategoryEngine
LanguageEnglish

Summary

Safety Instructions and Warnings About Your O.S. Engine

WARNINGS

These cover events which might involve serious (in extreme circumstances, even fatal) injury.

NOTES

These cover the many other possibilities, generally less obvious sources of danger, but which, under certain circumstances, may also cause damage or injury.

Introduction

Before Installing the Engine

Installing the glowplug

Carefully insert plug, with washer, fingertight only, before final tightening with the correct size plug wrench.

Connecting fuel tubing

Connect the short length of fuel tubing (supplied) securely between the needle-valve outlet and carburetor inlet.

Basic Engine Parts

Installation of the Carburettor

Installation of the Engine

Throttle Linkage

Silencer

Fuel Tank Location

Glowplug

Glowplug life

Guidelines for extending glowplug life and maintaining engine performance through careful use.

When to replace the glowplug

Indicators for replacing a glowplug when it no longer delivers optimal performance.

Fuel

Propellers

Mixture Controls

Before Starting

Glowplug battery

Describes power sources for heating the glowplug, including dry cells and rechargeable cells.

Battery leads

Details the use of leads to conduct current from the battery to the glowplug.

Fuel tank

Suggests capacities for fuel tanks based on engine model.

Fuel bottle or pump

Explains methods for filling the fuel tank.

Electric starter and starter battery

Recommends using an electric starter for starting the engine.

Fuel can filter

Recommends fitting a filter to the refuelling container to prevent foreign matter entry.

Silicone tubing

Specifies the required tubing for connection between the fuel tank and engine.

Plug wrench

Describes the use of a plug wrench for tightening the glowplug.

Starting

Running-In (Breaking-in)

Optimum needle setting(1)

Procedure for setting the needle-valve until the exhaust note begins to change from 4-cycle to 2-cycle.

Optimum needle setting(2)

Procedure for gradually closing the needle-valve for increasing r.p.m. to find the optimum setting.

Needle-valve adjustment diagram

Practical best(optimum) needle-valve setting

Describes the clear, high-pitched two-stroke exhaust note indicating optimal setting.

Maximum rpm setting(Lean).

Indicates the setting where revolutions start to decrease, signifying a lean condition.

STARTING Rich needle-valve setting when starting the engine.

Specifies the rich needle-valve setting required for initial engine starting.

Idling Adjustment Chart

Mixture Control Valve Adjustment

Realignment of Mixture Control Valve

Subsequent Starting Procedure

Subsequent Readjustment

Carburetor Cleanliness

Engine Care and Maintenance

O.S. Genuine Parts & Accessories

O.S. GLOW PLUGS

Lists available O.S. glow plugs by type and code number.

SPINNER NUT

Lists spinner nuts by size, code number, and compatible engine type.

LONG PROPELLER NUT SETS

Lists long propeller nut sets by size, code number, and compatible engine type.

SILENCER EXTENSION ADAPTORS

Lists silencer extension adaptors by code number, type of engine, and silencer.

SILENCER EXHAUST ADAPTORS

Lists silencer exhaust adaptors by code number, type of engine, and silencer.

PROPELLER NUT SETS FOR TRUTURN SPINNERS

Lists propeller nut sets for Truturn spinners by code number and engine type.

SUPER SILENCERS

Lists super silencers by code number, size, and type of engine.

SUPER FILTER

Lists the super filter by code number.

LOCK WASHER

Lists lock washers by code number, size, and type of engine.

NON-BUBBLE WEIGHT

Lists the non-bubble weight by code number.

LONG SOCKET WRENCH WITH PLUG GRIP

Lists the long socket wrench with plug grip by code number.

Exploded View (15 CV-A)

Enginen Parts List (15 CV-A)

Exploded View (25 FX,32 SX)

Enginen Parts List (25 FX,32 SX)

Carburetor 10 K (15 CV-A)

Carburetor 20 D (25 FX)

Carburetor 20 F (32 SX)

Three View Drawing MAX-15 CV-A Specifications

Three View Drawing MAX-25 FX

Specifications MAX-32 SX

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