Fiate Aviation MZ201 Gebrauchsanweisung

CONTENTS PAGE

Presenting the MZ201 engine............................................................................................................................................. 1

Warning................................................................................................................................................................................ 1

Introduction ......................................................................................................................................................................... 2

Engine delivery.................................................................................................................................................................... 2

Guarantee............................................................................................................................................................................. 2

Important safety tips............................................................................................................................................................ 3

Technical specifications...................................................................................................................................................... 4

Performance Diagram......................................................................................................................................................... 5

Main torque settings............................................................................................................................................................ 5

Oil and Fuel......................................................................................................................................................................... 6

Ground check to be carried out before starting up the engine for the first time ............................................................. 7

Starting up the engine for the first time and running in.................................................................................................... 8

Final check........................................................................................................................................................................... 9

Start up procedure............................................................................................................................................................... 9

Adjusting the carburetor................................................................................................................................................... 10

The reducer........................................................................................................................................................................ 11

Trouble-shooting............................................................................................................................................................... 13

Wiring diagram ................................................................................................................................................................ 16

Maintenance schedule ..................................................................................................................................................... 17

Exploded view of the MZ201........................................................................................................................................... 18

Preliminary flight inspection............................................................................................................................................ 19

Engine repairs logbook..................................................................................................................................................... 20

Modifications or different mountings

Compared to original model

Date

PRESENTING THE MZ201 ENGINE

Congratulations on having chosen the MZ201 engine. The special design of the various components

makes this a particularly light-weight, sturdy and reliable model.

If it is installed correctly and serviced regularly, your engine will last for a long time and meet your

requirements in full.

Avant-garde technology was employed to manufacture this engine which is unique in its kind. The

light alloy cylinder has been treated with Nikasil and is light-weight, reliable and has a virtually endless

life-span. The crankshaft is made of nickel-chrome-molybdenum steel and built to high standards of

resistance. Numerical control equipment and CAD-CAM technology have made it possible to build

ultra-light crankcase and radial elastic mounting without jeopardising the resistance level.

Furthermore, the crankcase incorporates the silent-block engine mountings and electric starter motor.

A 12 volt, 180 Watt alternator serves the ignition system and is used to re-charge the starter battery.

Electronic ignition and variable automatic timing guarantee reliability, safety and optimum engine

performance.

The above features ensure the MZ201 is a complete, light-weight and reliable propulsion system. Like

all high-performance engines, the MZ201 demands care and maintenance. It is vitally important to

use suitable fuel and a good blend of synthetic oil for two-stroke engines with a 50:1 ratio.

Proper servicing and appropriate use are essential requisites.

This manual aims to explain as clearly as possible how to install and get the best out of your engine.

WARNING

This is not an aeronautics approved engine.

This engine has not been subjected to durability and safety tests in compliance with aeronautical

standards. It is designed to be used in paramotors and ULM or aeroplanes where engine failure will

not produce serious consequences.

The user must assume responsibility for all risks deriving from the use of this engine and must

understand that this engine is subject to sudden failure.

Engine failure may result in an emergency landing. Such accidents may cause serious material damage

and injuries.

Never use an aircraft fitted with this engine in areas or at conditions and altitudes which may cause

problems if forced to land as a result of sudden engine failure.

INTRODUCTION

Like all high-performance engines, the MZ201 demands care and maintenance. It is vitally important

to use suitable fuel and a good blend of synthetic oil for two-stroke engines with a 50:1 ratio.

Proper servicing and appropriate use are essential requisites.

ENGINE DELIVERY

Upon delivery of the MZ201, check that the components were not damaged during transportation.

Free the engine from any pieces of packaging materials which maystill be trapped between the cylinder

head cooling fins or cylinder; check that the exhaust manifold and carburetor are not obstructed.

GUARANTEE

- Duration:

This guarantee is valid for a period of six months or 200 hours from the date the end user purchased

this engine from a distributor. The invoice is used as proof of purchase.

- Conditions:

The warranty will only be in effect when the purchase was made through FIATE or an authorized

dealer issued by FIATE.

The manufacturer reserves the right to modify dimensions and materials without prior warning. The

guarantee covers faulty components or manufacturing defects.

- This guarantee does not cover:

- The normal wear and tear of components.

- The piston seizure and drilling.

- The electric starter motor and electric components.

- Damage produced by transporting the engine, accidents, fire, improper use, negligence,

infiltration of external agents, premature wear or corrosion as a result of the engine being

immersed in water or other causes.

- Labour charges and the cost of lubricants needed for repairs are to be paid by the customer.

IMPORTANT SAFETY TIPS

Safety is everybody’s concern. We set out here below an incomplete list of the main safety precautions

to be taken when using the MZ201. It would be impossible to list all the circumstances which may

occur when you use this engine, but by being aware of the potential dangers, you will also reduce the

risks.

Nonetheless, here is some useful advice

- Never blend fuel in a closed environment where the vapours could cause an explosion.

- Ensure all the engines controls are fully functioning and that you are able to locate the START-STOP

switch. Make sure you can activate all the controls easily and that you can therefore use them

instinctively and without hesitation.

- Never re-fuel if there is a chance of the fuel dripping onto the hot engine. Use only approved

containers and ensure you comply with the relevant safety regulations when transporting fuel.

- Before each use, check the engine’s attachment points, propulsion components, fuel lines, wiring and

fuel and air filters.

- Use only clean fuel and blend immediately before using the engine. Check the intake and exhaust

ports. When not in use, protect the engine to prevent impurities from entering the fuel lines or fuel

itself. Ensure everything is correctly done before starting the engine.

- The engine must be always serviced regularly in order to foresee engine failure at all times.

- Never run the engine on the ground when the propeller is rotating unless the aircraft is located in an

area where you can check that nothing and no-one can access the danger zone.

- Never abandon your aircraft with the engine running.

- If the engine behaves unpredictably, keep a written record. In the event of any problems, do not

take to the air before solving the problem and making a record in the engine logbook.

TECHNICAL SPECIFICATIONS

Model

MZ201

Type

two-stroke, two-cylinder, reed valve engine

Cooling system

air cooling system, by means of forced air (fan)

or a propeller, depending on the type of

installation

Direction of rotation

Counter-clockwise seen from the PTO

Capacity

626cc (Nikasil cylinder)

Bore x stroke

76 mm x 69 mm

Compression ratio

9.6 / 1

Power output

45 hp at 4700 rpm

Peak torque

67 Nm at 4700 rpm

Lubrication

Fuel / oil blend 50 : 1

Fuel type

Super 95 RON

Ignition

Magneto flywheel with electronic transducer

with variable timing. Electric regulator and

battery charger output: 180W 13.8 Volt

Carburetor

Tillotson HR197A with diaphragm pump.

Spark plug

NGK-CR8HSA Spark gap: 0,7mm

Operating cylinder head temperature

CHT max. 260°C (500°F)

EGT max. 680°C (1250 °F)

Starting

By hand, by means of an automatic re-winder and

450 W electric starter motor

Weight

GMP

31 kg engine complete with, starter motor,

manual starter, speed reducer and silencer.

MZ201 PERFORMANCE DIAGRAM

MAIN TORQUE SETTINGS

Name

Cylinder head screws

Crankcase screws

Magneto flywheel nut

Cylinder nuts

Spark plug

Wooden Prop fastening screw

Other screws or nuts

M10 x 1

M10 x 1.5

5 + 2

20 + 2

10 + 2

3100 3600 4200 4700 5200 5700 6200 0

Hp 25.34 29.43 37.89 44.38 40.31 38.56 36.70

Kgm 5.8 5.8 6.4 6.7 5.5 4.8 4.2

0.00

5.00

10.00

15.00

20.00

25.00

30.00

35.00

40.00

45.00

50.00

Kgm

RPM

Type:MZ201

Hp Kgm

OIL AND FUEL

Whichever blend of oil and fuel you use, there follows some advice that will help you keep the engine

in perfect running order.

The presence of impurities in the fuel is the main cause of engine failure. To prevent the fuel from

being contaminated, it is necessary to take action at source, because the potential risk increases if

impurities enter the fuel tank. Always use a clean fuel container that complies with safety

standards. Always filter the fuel when you fill or change the container. Do not fill the container

to the brim; never forget that fuel may increase in volume.

Do not use blends which have been stored for a long time or which have been exposed to sunlight

in a translucent container. Blend the fuel and oil thoroughly before filling the fuel tank because

there is a risk of the two liquids separating in time.

Choose the same type and brand of oil and stick to it unless it causes problems. By doing so, you

will get to know the product well and you will be able to assess whether it suits your engine. If

you change the type of oil frequently and your engine has problems, you will never know which

type of oil is responsible.

It is extremely important to avoid switching from synthetic oil to traditional oil. The two types

are not always compatible and, if blended, it is possible that a film may form and obstruct the

engine’s components or cause other problems. As a rule of thumb, 20% of cases where the user

has switched from a synthetic oil to a traditional oil has resulted in problems with the engine.

If the engine has been installed the opposite way up (with the spark plug pointing downwards),

choose an oil that leaves few carbon deposits. Oil deposits tend to build up in the lowest parts, for

example, in the spark plug cavity. If these deposits do not burn during normal use, the sparkplug

is fouled and this may result in self-ignition. Manufacturers of top brand lubricants guarantee the

quality of their products.

Oil specifications: synthetic oil for two-stroke engines: 50: 1 ratio

Fuel specifications: the octane rating should be minimum: R.O.N.95 or more.

How to prepare the blend

Agood method for preparing the blend could prevent a good deal of problems. By adopting the same

method every time, the preparation will become an automatic process that will simplify matters no end.

1. Always use a suitable container: ensure it is clean, free of condensation and that you know the

exact capacity. To dilute the oil more easily, pour a small amount of fuel into the container.

2. Pour in the required amount of oil. Shake slowly to blend the oil and fuel.

3. Add sufficient fuel to obtain the prescribed blend. If you use a filter at this stage, it should

have a very fine mesh in order to filter any water or foreign particles.

4. Screw the lid back onto the container and shake vigorously. Pour the blend into the fuel tank

of your aircraft. Use a funnel with a filter that is fine enough to prevent any impurities from entering

the fuel tank whilst allowing the oil to pass through.

GROUND CHECKS TO BE CARRIED OUT BEFORE STARTING UPTHE ENGINE FOR

THE FIRST TIME

Before starting up the engine for the first time, carry out a general inspection, checking in particular:

Ensure the carburetor and fuel feed circuit are securely installed.

Check the suction pressure piping between the crankcase inlet and the fuel pump on the carburetor,

also check the decompression valve and carburetor inlet.

Check the condition of the electric cables and that the spark plug’s high tension lead has been fitted

correctly.

Check that the two black cables going from the engine shut-off control to the switch have been

connected correctly

Ensure the silent-block engine mountings are properly installed and that the locking bolts have been

tightened sufficiently.

Check the reducer, the belt tension and the fastening screw on the eccentric.

Never run the engine without the propeller; this is particularly important for the model without forced

air cooling.

Ensure the propeller and locking bolts are in good condition. Check that the propeller is suitable for

the engine as well as the latter’s direction of rotation.

(Only good quality balanced propellors must be used)

STARTING UPTHE ENGINE FOR THE FIRST TIMEAND RUNNING IN

The first time you start it up, run the engine at 2000 - 2500 rpm for the first 15 - 20 seconds, then run

it at the lowest revs (1500 rpm) for a few seconds, before stepping up the revs to 3000 - 3500 rpm.

At this point, we recommend running in the engine before using it, pushing the engine to its full

potential. Part of the running in process can be carried out in flight. If you choose to do so on the

ground, ensure the engine is bolted securely in position.

Start the engine and run it at 2500 to 3000 rpm for 5 minutes, then step up the revs to 4000 rpm for

one minute before dropping to 3000 rpm.

Repeat the process, increasing the revs to 4000.

Settle at 4500 rpm for 5 minutes, then drive the engine to the maximum revs for 10 seconds before

returning to 3000 rpm.

Repeat the above process, running the engine at maximum revs for 20 seconds.

Repeat the above process, running the engine at maximum revs for 30 seconds.

Settle at 3000 rpm for 5 minutes, then at 4000 rpm for 5 minutes, then run at the maximum revs for

one minute and return to 3000 rpm.

Run for 2 minutes at max. revs, then drop to 3000 rpm.

Run for 5 minutes at 4000 rpm, then 3 minutes at max. revs, return to 3000 rpm for 2 minutes, then

cut off the power supply and stop the engine.

During the above operations, check that the temperature of the cylinder head never exceeds 260°C

(500F)

During the running-in, it is particularly dangerous to increase the quantity of oil if you are using Castrol

TTS. An excessive amount of oil will cancel the benefits of running-in the engine.

During the first few hours of use, never apply full power for prolonged periods, but just for a few

minutes during take-off. By running-in the engine thoroughly, you will prolong its life-span. The

engine will loosen up and function at full power after approximately five hours.

Any irregularities in the engine speed may be caused by a badly adjusted carburetor.

After the first hour of use, check that all bolts are tightly fastened in accordance with the torque settings

given in the table on page 5.

Inhaltsverzeichnis

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Fiate Aviation

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