O.S. engine MAX-105HZ-R User manual

ene

MAXx-105HZ-R

Integrated

with

O.S.

Demand

Regulator

System

INSTRUCTION

MANUAL

vital

importance,

before

attempting

operate

your

engine,

read

the

general

'SAFETY

INSTRUCTIONS

AND

WARNINGS'

section

pages

2-5

this

booklet

and

strictly

adhere

the

advice

contained

therein.

Also,

please

study

the

entire

contents

this

instruction

manual,

familiarize

yourself

with

the

controls

and

other

features

the

engine.

Keep

these

instructions

safe

place

that

you

may

readily

refer

them

whenever

necessary.

suggested

that

any

instructions

supplied

with

the

model,

radio

control

equipment,

etc.,

are

accessible

for

checking

the

same

time.

creme

CONTENTS

SAFETY

INSTRUCTIONS

AND

WARNINGS

ABOUT

YOUR

O.S.

ENGINE

---------

2-5

STARTING

----------------------------

25-28

NOTES

INSTALLING

COOLING-FAN

ANDCLUTCH

----

6-7

RUNNING-IN

("Breaking-in")

----------------

NOTES

WHEN

APPLYING

ELECTRIC

STARTER,

ADJUSTMENT

------------------------

30-34

INSTALLATION

THROTTLE

SERVO--------

8-9

ADJUSTMENT

CHART

--------------------

NOTES

HEATING

THE

GLOW

PLUG

----------

INTRODUCTION,

ENGINE

PARTS

NAME

----

11-12

CARE

AND

MAINTENANCE

Sas

spissa

36-37

BEFORE

STARTING,

TROUBLE

SHOOTING

--------------------

38-41

INSTALLATION

THE

ENGINE

----------

13-16

ENGINE

EXPLODED

VIEW

PARTS

LIST

------

42-43

INSTALLATION

THE

CARBURETOR

EXPLODED

VIEW

PARTS

LIST-----

44-45

STANDARDACCESSORIES

--------------

17-18

O.S.

GENUINE

PARTS

ACCESSORIES

----

46-47

ABOUT

THE

REGURETOR

ABOUT

THE

SILENCER

AND

PLUMBING

----

19-21

THREE

VIEW

DRAWING

-------------------

GLOWPLUGS,

CARBURETOR

CONTROLS

-----

22-24

SAFETY

INSTRUCTIONS

AND

WARNINGS

ABOUT

YOUR

O.S.

ENGINE

Remember

that

your

engine

not

"toy",

but

highly

efficient

internal-

combustion

machine

whose

power

capable

harming

you,

others,

misused.

owner,

you,

alone,

are

responsible

for

the

safe

operation

your

engine,

act

with

discretion

and

care

all

times.

some

future

date,

your

O.S.

engine

acquired

another

person,

would

respectfully

request

that

these

instructions

are

also

passed

its

new

owner.

The

advice

which

follows

grouped

under

two

headings

according

the

degree

damage

danger

which

might

arise

through

misuse

neglect.

These

cover

events

which

These

cover

the

many

other

might

involve

serious

(in

possibilities,

generally

less

obvious

extreme

circumstances,

even

sources

danger,

but

which,

under

fatal)

injury.

certain

circumstances,

may

also

cause

damage

injury.

Never

touch,

allow

any

Never

operate

your

engine

en-

object

come

into

contact

closed

space.

Model

engines,

auto-

with,

the

rotating

parts.

mobile

engines,

exhaust

deadly

carbon-

monoxide.

Run

your

engine

only

i . .

open

area.

Model

engine

fuel

poison-

ous.

not

allow

come

into

contact

with

the

eyes

Modël

engines:

generate

mouth.

Always

store

considerable

heat.

not

clearly

marked

container

and

touch

any

part

your

out

the

reach

children.

engine

until

has

cooled.

Contact

with

the

muffler

(silencer),

cylinder

head

exhaust

header

pipe,

particular,

may

result

serious

burn.

Model

engine

fuel

also

highly

flammable.

Keep

away

from

open

flame,

excessive

heat,

sources

sparks,

anything

else

which

might

ignite

it.

not

smoke

allow

anyone

else

smoke,

near

it.

This

engine

was

designed

for

model

helicopters.

not

attempt

use

for

any

other

purpose.

Mount

the

engine

your

model

securely,

fol-

lowing

the

manufacturers’

recommendations,

using

appropriate

screws

and

locknuts.

Install

effective

silencer

(muffler).

Frequent

exposure

noisy

exhaust

(especially

the

case

the

powerful

high-speed

engines)

may

eventually

impair

your

hearing

and

such

noise

also

likely

cause

annoyance

others

over

wide

area.

Check

the

linkage

the

throttle

arm

before

each

flight.

Avoid

sudden

high

r.p.m.

immediately

after

the

engine

started,

the

clutch

will

engage

and

you

may

struck

the

rotor.

Take

care

that

loose

clothing

(ties,

shirt

sleeves,

scarves

etc.)

not

come

into

contact

with

the

rotor.

not

carry

loose

objects

(such

pen-

cils,

screwdrivers,

etc.)

shirt

pocket

from

where

they

could

fall

through

the

rotor

disc.

For

their

safety,

keep

all

onlookers

(especially

small

children)

well

back

(at

least

feet

meters)

when

preparing

your

model

for

flight.

you

have

carry

the

model

the

take-off

point

with

the

engine

running,

especially

cautious.

Hold

the

rotor

securely

and

keep

well

clear

spectators.

Warning!

Immediately

after

glowplug-ignition

engine

has

been

run

and

still

warm,

conditions

sometimes

exist

whereby

just

possible

for

the

engine

restart

when

turned

over

WITHOUT

the

glowplug

battery

being

reconnected.

Remember

this

you

wish

avoid

the

risk

accidents.

After

starting

the

engine,

carry

out

any

needle-

valve

readjustments

after

stopping

the

rotor

closing

the

throttle

the

lowest

r.p.m..

Stop

the

engine

before

attempting

make

other

adjustments

the

carburetor.

Use

electric

starter.

The

wearing

safety

glasses

also

strongly

recommended.

Press

the

rotor

head

down

securely.

Take

care

that

the

glow

plug

clip

battery

leads

not

come

into

contact

with

rotating

parts.

Adjust

the

throttle

linkage

that

the

engine

stops

when

the

throttle

stick

and

trim

lever

the

transmitter

are

fully

retarded.

Alternatively,

the

engine

may

stopped

cutting

off

the

fuel

supply.

Never

try

stop

the

engine

physically.

ave

Notes

installing

cooling

fan

and

clutch

not

use

tool

which

locks

piston

when

installing

cooling-fan

and

clutch,

top

the

piston

may

damaged.

Also,

not

insert

screw

driver

the

similar

into

the

exhaust

port.

ee:

pesg

RSs

Ses

ess

Bese

Besa

ee:

Bese

asal

Rsed

€

recommended

use

Crankshaft

Clamp

91/105

(Code

No.71530520)

available

optional

tool.

With

this

engine,

the

cover

plate

cannot

removed

when

the

piston

BDC

due

engine

construction.

When

required

remove

the

cover

plate,

sure

position

the

piston

TDC.

Scone

Notes

installing

cooling

fan

and

clutch

not

grip

the

engine

mounting

beams

with

vise,

the

crankcase

will

distorted

which

will

result

engine

breaking.

Beam

Mount

avez

NOTES

WHEN

APPLYING

ELECTRIC

STARTER

Because

the

initial

tightness,

the

piston/sleeve

assembly

standard

electric

starter

may

have

difficulty

rotating

the

engine

when

cold,

before

has

been

adequately

run-in.

this

case,

use

high-torque

type

starter.

not

over-prime.

This

could

cause

hydraulic

lock

and

damage

the

engine

application

the

electric

starter.

over-primed,

remove

glowplug,

needle-valve

and

apply

starter

pump

out

surplus

fuel.

Cover

the

head

with

rag

prevent

pumped

out

fuel

from

getting

into

your

eyes.

OS.

come

Linking

the

throttle

servo

the

carburetor

Link

the

throttle

servo

the

carburetor

using

the

throttle

lever

supplied.

Throttle

control

rod

and

should

equal

length.

Set

the

linkage

that

the

servo

output

lever

and

throttle

lever

are

parallel

when

the

throttle

stick

the

transmitter

middle

position.

Installation

hole

intervals

the

lever

and

the

lever

are

different.

Decide

the

lever

use

according

the

servo

used.

sure

cut

off

the

unused

levers

avoid

any

interference.

Sama

Note

heating

the

glow

plug

The

heatsink

head

the

engine

treated

with

anodized

finish

which

does

not

conduct

current.

Therefore,

when

heating

glow

plug,

connect

one

lead

the

glow

plug

and

the

other

the

head

cover

plate

retaining

screw.

OS.

creme

The

MAX-105HZ-R

has

been

developed

expressly

for

size

helicopter

models,

equipping

the

O.S.

regulator

system.

It's

mounting

dimension

the

same

the

conventional

size

engines,

while

the

displacement

increased

15%.

Also,

the

conventional

size

models

gear

ratio

can

used

with

this

engine

without

any

modification.

The

regulator

system

ensures

always

steady

fuel

supply

which

required

for

flights

which

require

repeated

vigorous

attitude

changes

well

for

F3C

flights

which

require

severe

mixture

control.

With

this

system,

the

fuel

tank

pressurized

pressure

generated

the

crankcase.

The

fuel

sent

pressure

regulated

the

regulator

installed

just

ahead

the

carburetor,

then

sent

into

the

engine.

The

new

silencer

PowerBoost

105

has

also

been

developed

match

the

105HZ-R,

While

the

conventional

size

silencers

can

also

used

with

the

105HZ-R.

large

velocity

stack

supplied

with

the

engine

installed

the

61G

carburetor.

Cool

fresh

air

conducted

the

carburetor

intake

that

the

engine

can

develop

ideal

power

characteristics.

When

the

governor

function

from

Futaba

GY-701

GY-

750

gyro

employed,

the

Futaba

BPS-1

Back

Plate

Sensor

can

installed

cell

the

back

plate.

employing

the

governor

function,

stable

flight

can

achieved.

Example

INTRODUCTION

The

upper

left

back

plate

retaining

screw

may

used

for

battery

ground

terminal

when

connecting

the

glowplug

battery.

Standard

accessories

Glow

Plug

No.8

Velocity

Stack

Set

Screw

M3x3

Head

Gasket

(0.1mm)

Check

Valve

Head

Gasket

(0.2mm)

NOTE

delivered,

the

engine

has

the

carburetor

lightly

fit

into

the

intake.

Secure

changing

the

angle

according

the

model.

OS.

creme

ENGINE

PARTS

NAME

Glowplu

Heatsink

Head

Throttle

Lever

Carburetor

Typr

61G

High

Speed

Needle

Valve

Mixture

Control

Valve

Stopper

Reguretor

vai

Thrust

Washer

Cover

Plate

Medium

Speed

Needle

Valve

iis

Crankcase

]

Carburetor

Rubber

Gasket

Propeller

nut

Crankshaft

amome

BEFORE

STARTING

Tools,

accessories,

etc.The

following

items

are

case

1.5volt

dry

cell

necessary

for

operating

the

engine.

items

necessary

for

starting

Glow

Plug

O.S.

No.8

supplied

with

the

engine.

Battery

leads

These

are

used

conduct

current

Make

sure

glowplug

element

from

the

battery

the

glowplug.

glows

bright

red

inside

room

Basically,

two

leads,

with

clips,

are

shadow.

required,

but,

for

greater

conve-

nience,

twin

leads

with

special

glowplug

connectors,

shown

Battery

leads

Hexagon

starting

shaft

the

right,

are

commercially

available.

This

shaft

mounted

electric

starting

motor

driven

Glowplug

battery

into

the

shaft

cup

turn

the

The

power

source

for

heating

the

glowplug

may

either

large

heavy-duty

1.5volt

dry

cell,

Ni-cd

battery

engine.

glowplug

Igniter.

Electric

starter

and

starter

—

battery

1.5

volt

dry

cell

electric

starter

recom-

glowplug

Igniter

mended

for

starting.

Starter

Saam

Fuel

Select,

practical

tests,

the

most

suitable

fuel

from

among

the

best

quality

fuels

available

your

country

for

helicopter

use.

For

the

best

throttle

response,

fuel

containing

10%

30%

nitromethane

preferable.

Lubricants

may

either

castor-oil

suitable

synthetic

oil

(or

blend

both)

provided

that

they

are

always

top

quality.

For

consistent

performance

and

long

engine

life,

essential

use

fuel

containing

LEAST

18%

lubricant

volume.

Some

fuels

containing

coloring

additives

tend

deterriorate

and

may

adversely

affect

running

qualities.

doubt

compare

fuel

known

good.

Reminder!

Model

engine

fuel

poisonous.

notallow

come

into

contact

with

the

eyes

mouth.

Always

store

clearly

marked

container

and

out

the

reach

children.

Model

engine

fuel

also

highly

flammable.

Keep

away

from

open

flame,

excessive

heat,

sources

sparks,

anything

else

which

might

ignite

it.

not

smoke,

allow

anyone

else

smoke,

near

it.

ane

TOOLS

O.S.

SPEED

Driver

Tools

Z“

Paa

>”

“a

—

€

€“

O.S.

SPEED

Plug

Wrench

SYS)

Phillips

Screwdriver

No.1, No.2,

etc.

aed

R—

Fuel

Pump

Alternatively,

one

the

purpose-made

manual

electric

fuel

pumps

may

used

transfer

fuel

directly

from

your

fuel

container

the

fuel

tank.

O.S.

Super

Filter

(Fuel

Can

Filter)

Install

filter

the

outlet

tube

your

refueling

container

prevent

entry

foreign

matter

into fuel

tank.

O.S.

‘Super

Filters’

(large

and

small)

are

available

optional

extras.

Fuel

Filter

recommended

install

good

in-

line

filter

between

the

fuel

tank

and

carburetor

prevent

entry

foreign

matter

from

getting

into

the

carburetor.

Silicone

Fuel

Line

Heatproof

silicone

tubing

approx.

5-5.5mm

o.d.

and

2.5mm

i.d.

required

for

the

connection

between

the

fuel

tank

and

engine.

Manual

Electric

Long

Socket

Wrench

With

Plug

Grip

Recommended

for

easy

removal

and

replacement

the

angled

and

recessed

glowplug,

the

O.S.Long

Socket

Wrench

incorporates

special

grip.

8mm

End

Wrenches

8mm,

13mm, 14mm,

etc.

Needle

Nose

Pliers

arene

The

under-surfaces

all

O.S.

engine

beam

mounting

lugs

are

precision

machined

flat

and

exactyly

parallel

the

engine's

horizontal

axis.

essential

that

the

engine

mounts

the

model

are

also

accurately

made

and

aligned.

they

are

not,

they

will

cause

stress

and

distortion

within

the

engine

itself,

probably

resulting

loss

performance

and

internal

damage.

The

recommended

screws

for

securing

the

engine

the

engine

mounts

the

model

are

4mm

4-40

steel

Allen

type.

also

advisable

use

lock

washers

LOCTITE

prevent

nuts

from

loosening.

arene

Installing

The

Glowplug

Install

washer

glowplug

and

insert

carefully

into

Heatsink-head,

making

sure

that

not

cross-threaded

before

tightening

firmly.

Glow

plug

Washer

—©

INSTALLATION

THE

ENGINE

(

CORRECT

GF)

Front

view

Side

view

Top

surfaces

are

the

same

plane.

INCORRECT

Top

surfaces

are

not

Top

surfaces

are

not

the

same

plane.

same

plane.

Engine

does

not

rest

firmly.

Re-align

the

surfaces

necessary

Make

sure

that

only

the

under-

surfaces

the

engine’s

mounting

lugs

are

contact

with

the

engine

mount.

INSTALLATION

THE

STANDARD

ACCESSORIES

Installation

Velocity

Stack

Install

the

velocity

stack

supplied

the

carburetor

with

M3x3

set-screw

supplied.

Cut

outthe

cooling

fan

duct

that

velocity

stack

man

not

interfere

the

duct.

The

velocity

stack

develops

its

performance

when

completely

located

inside

the

duct.

About

The

Head

Gasket

The

engine

installed

with

0.2mm

thick

head

gasket

the

factory.

When

15%

nitro

fuel

used,

run

the

engine

itis.

When

23%

30%

nitro

fuel

used,

add

0.1mm

0.2mm

thick

gasket

for

easier

tuning.

avez

INSTALLATION

THE

CARBURETOR

delivered,

the

engine

has

its

carburetor

lightly

fitted

into

its

intake

boss.

Secure

follows.

Loosen

carburetor

retainer

screw

slightly.

Insert

the

carburetor

rubber

gasket

the

carburetor

body

securely.

Then,

insert

the

carburetor

the

crankcase.

Carburetor

Rubber

Gasket

avenue

CARE

REGURETOR

NEVER

disassemble

the

pressure

regulator.

Their

original

performance

may

not

restored

after

reassembly.

NEVER

insert

anything

into

the

inlet

nipple

attempt

clear

suspected

obstruction.

EDO

NOT

block

the

five

holes

the

top

the

regulator,

the

regulator

may

not

work

properly.

not

insert

needle

anything

into

these

holes.

EDO

NOT

allow

foreign

matter

enter

the

fuel

system.

Dirt

inside

the

regulator,

matter

how

small,

may

obstruct

the

flow

fuel

and

prevent

from

working

properly.

Note:

case

hard

insert

the

carburetor

the

crankcase,

apply

oil

the

Thermo

Insulater.

not

force

it,

damage

the

Thermo

Insulater

and/or

crankcase

can

occur.

Rotate

the

retainer

screw

gently

until

stops,

then

tighten

further

90-120

degrees.

not

over-tighten

the

screw

this

will

damage

the

Thermo

Insulater.

Carburetor

Rubber

Gasket

Retainer

screw

0.2mm

gap

ABOUT

THE

REGURETOR

ALWAYS

use

fuel

filters.

Keep

the

fuel

tank

scrupulously

clean

and

filter

all

fuel

enters

the

tank

(e.g.via

O.S.'Super-

Filter’

Code

No.72403050)

and

use

good

quality

in-line

filter

between

the

tank

and

regulator.

Remember

inspect

filter

screens

regular

intervals

and

rinse

clean

necessary.

NOT

clean

the

regulator

with

organic

solvent

such

kerosene,

light

machine

oil,

gasoline,

thinner

cre

the

silicone

rubber

parts

inside

will

deteriorate.

sure

use

methanol

fuel.

NOT

allow

fuel

remain

the

regulator.

After

finishing

the

day's

flight

session,

sure

run

out

the

fuel

the

regulator.

Stop

the

fuel

flow

the

regulator

with

stopper

and

run

the

engine

idle

use

the

fuel

the

regulator.

After

stopping

the

engine,

rotate

the

engine

electric

starter

eliminate

fuel

inside

the

engine.

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