Dnepr MT10-36 - Power Transmission Systems

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tained

in it. After

ass

embling

the

settler,

open

the

va

lve

and

blow

it

through

with

compressed

air.

Periodically

check

the

connections

for

air-tightness

and

the

packings

in

the

inlet

passage

for

good

condition,

since

the

inleak-

age

of

dusty

air

will

cause

premature

wear

of

the

engine

parts.

POWE~

T~ANSMISSION

The power

transmission

system

of

the

mot

orcycle

consists

of a

number

of interconneoted

units

intended

to

tr

.

ansmit

the

torque

from

the

engi

ne

c

rankshaft

to

the

rear

wheel,

and

also

to

change

the

trac

-

tive

effort

at

the

driving

wheel.

The

power

transmission

includes:

the

clutch,

gear

box

and

main

drive.

Clutch

The

clutch

is

int-ended for

the

1ransmis

•

sion

of

torque

from the

engine

to the

gear

box,

disengagement

of

the

engine

from

the

gear

box

at

gear.shift,

and

for

the

smooth

engagement

when

sta

.

rting

the

motorcycle

from

rest.

The

dry

double-disk

clutch

consists

of

~

he

driven

and

driving

parts,

and

of

the

clutch

release

mechanism

.

The

driving

parts

in-

clude

flywheel 7 (see

Fig.

20),

pressure

di•

sk

8,

interm-ediate disk

9,

and

bea.ring

disk

11,

all

of the

disks

being

fitted on

the

il)'!Whe

el

pins.

At

the

centre

of the

pressure

disk

is a

square

hole

into

which

en'

ters

the

dutc

h

release

ro.d.

The

bearing

disk

is

fastened

to

the

pin

,ends by

screws

which

ar.e

secured

by

punching

the

bearing

disk

at

the

slots

of the

screw

heads.

The

driven

parts

of

the

clutch

include

t!Wo

driven

disks

10,

ha-

ving

ring-shaped

facings,

made

of friction matetiial, on either side.

The

disks

are

meshed

with

the

sp

·

lin

ed

part

of the

gear

box

primary

shaft.

The co-rrect

use

of

the

clutch will

co

nsider

ably

prolong

its

servi-

ce

life.

Never ride

the

motor

cyde

with

bhe

clukh

incompletely

engage

d

(by

causing

it

to

slip).

When

starting

from r·

est

and

changing

gears

engage

the

clutch

smoothly.

The

sharp

engagement

of

the

clutch

at

hi·

gh

engine

speed will

cause

not

only a

rapid

wear

of

the

friction

facings

of

the

dqsks

but

will a'lso

overstrain

the

transmission

co

m-

ponents

and

increase

wear

on

the

tyres.

The

clutch control

drive

and

its

operation

are

described

in

Sec-

tion

"Gear

Box".

Gear

Box

The

double-shaft four-s•

peed

gear

box is

provided

with

a

reverse

gear

and

clutch

release

mechanism

actuated

at

gearshifts.

39

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