Dnepr MT10-36 - Page 73

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remove

casing

10 (refer to

Fig

. 32)

after

finst

unscr€\ving

two

screws

M4

and

removing

the

angle

ba

r;

r·emove

fan

9

after

first

turning

off

screw

M6;

remove

rectifier

unit

8,

terminal

block 5

and

brush

assembly

after

first

unscrewing

the

.

appropriate

screws

and

nuts;

mark

the

points of

disconnection

-of

cable

shoes;

s.Iightly

push

the

output

s'

tuds

of

the

stator

into

cover

6;

unscrew

the

coupling

bolts

and

remove

eover

6,

by

evenly

tap-

ping

the

coupling

screw

bosses

with

a wooden

hammer;

take

the

stator

out

of

cover

1.

To

replace

the

bearing

from

the

end of slip

rings,

remove

this

bearing

from

the

srhaft by

means

of a lifter

and

then

press

fit a

new

one

onto

the

shaft.

To r·eplace the

bearing

from

the

drive

end, proceed

as

follows:

uncotter

and

unscrew

the

.

slotted

nut;

remove

the

gear

and

key;

clean

off

the

metal

from

the

splines

of

the

screws

securing

the

bearing

·cover,

extr

.

act

these

screws

and

take

down

the

cover;

pre

.

ss

out

the

shaft

out

of

the

bearing

wi'th

the

aid

of lifter

set

against

the

centre

hole

of the r

shaft

and

the

flange

of cover

1;

press

out

the

bearing

from

the

nest

in the cover,

by

means

of a

lifter

set

against

the

bea

·

ring

inner

r.ace;

insert

a

new

bearing

and

assemble

cover 1

in

·

reverse

order;

aifter

turning

home

the

screws

securing

the

bearing

cover, punch

the

cover

meta

l

into

the

splines

·of

the

screws.

When

assembling

the

generato

r, foll'ow

the

order

·

reverse

to

that

of

dismantling.

The

locks

on

the

covers of

the

generator

and

stator

must

be

arranged

in

a

single

straight

line.

Before

assembling

cover

6,

pass

the

output

studs

into

the

Oipen-

ings

in

such

a

way

that

the

insulating

bushes

fitted on

the

studs

are

sunk

into

'the

appropriate

recesses

of

the

·cover,

and

the

heads

of out-

put

studs

are

inserted

into

the

appr

·op·

riate

recesses

of

the

bushes.

The

f424

generator

operates

in

conjunction

with the

PP330

cur-

rent

-and-v:oHage

regulator.

Th

e

PP330

current-and-voltage

regulator

is

intended for

closing

and

opening

the

circuit

between

the

generator

an

d

storage

battery

(or

several

storage

batteries),

for p·

rotecting

the

generat-or

against

overload

and

for

maintaining

constant

voltage

worked

by

the

gene

-

rator

within

preset

limits,

and

for

monitoring

the glow of

the

control

lamp

indicating

the

charge

of

the

storage

battery-

when

the

batte-

ry

is

being

discharged,

the

lamp

glows

and

vice

versa.

The

current-

and-voJta,

ge

regu

l

ator

is

of dust-proof design

and

i·s

made

up of a

voltage

vibration

regulator

and

reverse

current

relay

(charge

con-

trol

lamp

switching

relay).

The

current-and-voltage

regulator

is

fac-

tory

adjusted

and

needs

no

servicing.

Never

violate

factory a·

djust

-

men't

and

-open the

current-and-voltage

regulator.

Its

body

is

sealed

and

in

case

of

seal

removal no

claims

on

its

malfunction

will

be

consider·ed.

71

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