Wadkin Bsw 26 inch User manual

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CIRCULAR

SAWBENCH

TYPE

-:-26"

BSW

c'

C'

r

L

c

o

fJ'

fJ"

RIVING KNIFE ADJUSTABLE

TO

SUIT SIZE

OF

SAW

RISES AND FALLS

IAln-U

REMOVABLE GAP

PLATE WITH FELT

&

WOOD

PAC:KII\IG

PIECES.

MACHINE

0

1

.-,

REFERENCE

NUMBER PLATE

o

r

[

t

[

ACCESS

TO

&SPINDLE

~

GU~RD

ADJUSTMENT.

CANTABLE

TURN-OVER

FENCE.

F=:i-2-

.....

MICRO

ADJUSTMEN'

...

:cr=~-r~!!::::~~::::~~GRADUATED

FENCE BAR

STARTER

~

SAW

RISE & FALL

HANDWHEEL.

SAW

RISE

& FALL

LOCK.

REAR

COVER

GIVES

ACCESS

TO

BELTS,

MOTOR & PULLEYS.

www.DaltonsWadkin.com

SECTION A

SECTION 5

SECTION C

SECTION D

SECTION E

SECTION A

S8CTION 5

SECTION C

.~

, -,

SECTION D

'.

SECTIONS

ILLUSTRATIONS

FIG

Al

FIG

Bl

FIG

52

FIG

Cl

FIG

C2

FIG

CJ

FIG

c4

FIG

C4A

FIG

CS

FIG

c6

FIG

C7

FIG

c8-Cll

FIG

Dl

.

FIG

D2-DJ

FIG

D4-D12

FIG

D1J

SPECIFICATION

INSTALLATION

DESCRIPTION & OPERATION

MAINTENANCE

SPARE PARTS

LIST

26'

BSW

CIHCULAR

SAWl:l&"fCHES

WIHL"IG

DIAGH.Ul

(J

PHASE)

FOUNDATION

PLAN

CANTING'FENCE

CONTROLS

FENCE ALIGNMENT PO'L'lTS

RIVING

lL'IU'E DETAIL

RISE

~'1D

FALL

CONTROLS

RIVING

lL'IIFE DETAIL

MITRE FENCe

MITRE FENCE STOP

ROD

POSITIONS

SA....PACKIN:GS

OPERATION OF OPTIONAL FEATURES

SAI{

SPDIDLE

ASS~lBLY

DELT

TENSIONL'iG

SAW

MAINTENANCE

LUBRICATION

,

O

i

Ii

,

C

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"

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SPECIFICATION

Haximum

diameter

of

saw

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

Maximum

saw

projection----------------------------

26"

650

rmn

10"

255

rmn

43" x 34"

Size

of

table--------------------ll090

x 860

nun

Table

height:-------------------------------------------

Hax.

distance

saw

to

fence--------------------------------

34"

865

rmn

20"

SOO

rmn

21"

X

7~1t

Fence

dimensions---------------------------------------

S35 x 190

rmn

Fence

cants

up

to----------------------------------

Rise

and

fall

of

saw

spindle------------------------------

4S

o

S"

130

rmn

Speed

of

saw

spindle---

__________________

16S0

rpm

Horse

power

of

motor-------------------------------------

Diameter

of

saw bore ____________________________________

Diameter

of

driving

pin--------

_______

~----------------

Net

weight----~---------------------------------------

10

45

rmn

12

rmn

1000

lb

4S0

kg

_

_________________________________

12901b

Gross

weight

590 kg

Shipping

dimensions--------

_____________________________ 52

cu.ft

1.5

m3

3

www.DaltonsWadkin.com

4 SECTION B

Installation:

-

Remove

protective

anti-ru~t

coating

from

bright

part~

by

"applyin~

a

cloth

soaked

in

paraffin

or

other

~olvent.

Wiring:-

The

rrotor

and

control

gear

have

been

wired

in

before

de~patch,

therefore

all

that

i~

required

to

be

done

i~

to

connect

the""main~

supply

to

the

starter,

or

i~olator

where

fitted.

POINTS

TO

NOTE

WHEN

CONNECTING

TO

POWeR

SUPPLY.

1 -

Check

volta~e,

phasp.

and

frequency

2 _

It

is

important

that

the

correct

cable

is

used

to

deliv

..r

the

correct

voltage

to

the

starter.

RUNNING

ON

LOW

VOLTAGE

WILL

DAHAGE

HOTOR.

J -

Check

main

line

fu~es

are

of

correct

capacity.

1.

_

:;onnect

line

leads

to

cnrrect

terminals

(SEE

WIRING DIAGRAH).

5

Check

all

connections

are

sound.

6 _

Check

spindle

rotates

in

correct

direction.

If

not

reverse

any

two

of

the

line

leAd

connAct

ion~.

FAILURE

TO

START:-

1 -

Fuses

1,1ave

blown

or

have

not

heen

fitted.

2 -

Isolator

switch

ha~

not

been

closed.

J -

Lock

off

or

stop

button

(",her.

fitted)

has

not

been

rele~sed.

4 -

Supply

root

available

at

m"chlne.

;>"liJPPAGE flURIl'IG

OPBR4TTON

&

~'AlL1]RS

1V

i,ESTART:-

1 -

Ov

..

rloarls

have

tripned.

11'

ll:l.nrl

re-set,

set

hy

pressin~

!",ttrm.

jf

automatic

they

~il1

r\,-set

after

a

short

period.

~

-

rtl~e5

ha\'~

blown.

Foundation:-

The

machine

should

be

levelled

and

bolted

down

firmly.

For

mounting

into

concrete,150

to250

square

hola~

should

be

cut

in

the

floor

and

rag

bolts

fitted,

after

which

the

holes

dhould

be

run

with

cement.

For

mounting

on

wood

~loors

coach

bolts

will

be

found

artequate.

(see

Fig.

BZ.)

Cl

;

C

o

01

j

C

c:

0

'i

!_

J

b-

C

0

1

!"

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---/

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BROOK

RT3

STARTER(THREE

PHASE

DIAGRAM)

SUPPLY

,

L1

L2 L3

LlNK'X'

BROWN

LlNK'T'

l ORANGE

"5

13

);

3 • b

21

33

(11)h

(13~e5)~

il

--n---o-

c

---0-

-----0

-{P

14~

22 14) .START

(12)

2 4 LlNK'W' 6

34(16)

RlMOTI

"ST"'''T.STO'''

aUTTCNS

96<a)

34(~61

33(15)

t

_.___

tS

S1TAR.T

t

~6oJ

BROWN

9S~~7)

>

~

>

OL

--jpSTOP/RESET

OL~

~

• 9

2 4 6

98,

96(8)

(9)

j"3)

LINK'Z'

A B C VIOLET

~~~~

MOTOR

FOR

ANY

OTHER

TYPE

OF

START1NG

SEE

SEPARATE

WIRING

DIAGRAM

ENCLOSED

5

INSIDE

STARTER

BOX.

FIG

BI

lE

)1

-666

m,.

.---+-e!-+

----._-

--

-.

- .

-----+~-l

585'111'111

i

,

-l-

I I I I

~l

! -.

I 4 -16

mm

Dia holes

FIG

B2

www.DaltonsWadkin.com

SECTION C

CANTING &

RIP

FENCE

CONTROLS

9,UICK

ADJUSTI!ENTj-

-

The

fence

~lides

on

a

round

bar

with

a

rule

incorp-

orated

into

it.

To

adju~t

the

fence

follow

the

under

mentioned

proceedure:-

1.

Unlock

lever

'A:

and

~crew

'B'

(Fig.

C.l.)

2.

Slide

the

fence

along

the

bar

until

the

required

dimen~ion

is

indicated

against

the

pointer

on

the

fence

bracket.

J.

Lock

lever

'A:

firmly

to

~ecure

in

position.

FINE

ADJUSTMENT'-

After

adjusting

the

fence

by

the

above

method

provision

i~

made

for

precise

~etting

by

operating

the

fine

adju~t

ment

feature.

To

operate

follow

under

mentioned

proceedure.

1.

Ensure

lever

'A'

is

UNLOCKED

and

~crew

'B'is

LOCKED

firmly.

(Fig.

C.l.

)

2.

Turn

knurled

hand

~crew

'C'

in

direction

required

in

order

to

draw

the

fence

along

the

rule

bar

to

or

away

from

the

saw

and

to

the

required

~etting.

J.

Lock

lever

'K

firmly.

CANTING,-

To

cant

fence

follow

under

mentioned

proceedure

(Fig.C.l.)

1.

Unlock

leva·r

'D'

and

allow

fence

to

pivot

over

to

required

angle.

2.

Unlock

lever

'El

allowing

fence

plate

to

drop

down

until

the

lower

edge

of

the

plate

lies

flat

on

the

table

~urface.

\ I \ I

J.

Lock

lavers

D

and

E

firmly.

FENCE

POSITIONING,-

The

fence

plate

is

designed

to

slide

alon~

the

table

in

order

to

compen~ate

for

different

~izes

of

saws

which

may

be

used.

By

unlocking

lever

'E"

the

plate

maybe

slid

along

..

dovetail.

slot

in

the

back

of

the

fence

to

the

required

position,

a:fter

which

locking

lever'E'will.

:fi~

the

fence

firml.y

in

pl.ace.

NOTE:.For

crosscutting

swing

fence

over

the

rul.e

bar

to

cl.ear

the

table

FENCE

SETTING

A~D

ALIGNING,-

On

despatch

:from

the

works

the

movements

of

the

fence

have

been

finely

adjusted

for

accurate

cutting

by

the

provision

of

the

~etting

screws

at

points

F.G.H.I.

(FIG

C2).

Theee

adjustments

have

seperate

uses,

and

should

onl.y

be

re-eet

to

co~pen~ate

for

wear

which

may

take

pl.ace

from

constant

u..

e.

The

~eperate

u~es

of

the~e

point

..

are

as

outlined

underneath:-

POINT

F.-

is

an

eccentrical.ly

turned

centre

which

al.lows

the

fence

to

be

set

paral.el.l

to

the

sav,

or

to

be

~et

in

or

out

as

required.

POINT

G;-

i .. a

true

centre

which

al.lows

sl.acknesa

to

be

re~oved

between

centres

F

and

G.

POINT

H,-

is

a

jacking

point

which

provides

a

positive

~top

which

wil.l.

not

all.ow

the

fence

to

be

pull.ed

up

further

than

90

degrees

to

the

table

when

~et

correctly.

POINT

I;

-

ie

al~o

a

jacking

point

F

and

G

parallal

to

the

tabl.e

for

true

cant

o

O

l

-,

1

Cl:·

6

·:·

~,

It

0.

1

, 1

,

0·

"

,

0,

I'

.1

I

Or

)

@

Cl

O

f

i J

I

~.I

Ul

nf

Uj

,

C

··!,

; :

"

www.DaltonsWadkin.com

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www.DaltonsWadkin.com

8

RISE

AND

FALL

CONTROLS:-

By

turning

handwheel

'J'

(fig.

C4

)

the

saw

may

be

r~ised

or

lowered

between

the

maximum

and

minimum

ooaition

as

given

in

section

'A'

specification.

Under

no

circumstances

should

this

dimension

be

varied.

It

is

important

after

operating

the

rise

and

fall

that

lever

handle

'K'

is

locked

firmly

before

running

the

saw.

o

0

,···1

,)

.,

The

rise

and

fall

handwheel

is

connected

through

pivoted

yolks

at

1

points

A.

&

B.

(FIG

C4.)

At

the

handwheel

end

of

the

screw

a

thrust

Oil'

race

C

is

fitted

to

give

free

ro,tation

when

in

use.

It

is

therefore

J

important

that

the

pivots

and

"crew

are

cleaned

and

luhricated

regular-

,

11"

and

that

the

wu"t

race

is

oiled

accordin

....

to

the

maintenance

sCheduleD!'

!UVING

KNIFE

PLATE:-

The

riving

knife

plate

is

situaied

behind

the

"a'"

in

the

saw

CO<'l-

partment

'0'

(fig.

c4A)

and

allows

the

riving

knife

to

rise

and

fall

,.,i

th

the

saw

at

a

set

clearance

to

the

saw

teeth.

It

is

important

that

th",

area

s·urrounding

the

radial

slot

cut

in

the

plate

'be

kept

clean

and

well

lubr:lcated

t·o

give

free

movement.

HIVING

KNIFE

HOLDER

DETAIL

The

riving

knife

i"

"uflplied

in

the

inverted

position.

fit

upright

adcptinO':

the

following

proceedure:

-(figC3)

Remove

and

1.

Fit

knife

into

g-roovad

packin!,:

piece

'E'

and

bolt

up

to

solid

1'acl<-

ing

piece

'F'

'~ith

thelGmm

nuts

'G'

prov:lded.

2.

J'II

.,

1.

'G'

ha"

With

saw

in

place

set

knife

to

clear

around

saw

teeth

approximatel::

(6mm)

and

lock

firmly

in

place

with

nuts

'G'.

If

the

'knife

is

not

in

line

with

the

sa""

partially

slackan

nuts

and

jack

packing

piece

'F'

out

,~itn

..:rub

screw"

'H'

until

the

knife

e.,u~l

overhand

either

side

of

the

saw

blade.

Lock

nuts'

'G'

firmly.

XOTE: -REFORE RUNNING,

ADJUST

SAl,

GUAnO

TO

GIVE

~,AXIXUH

PROTECTIO!'l

AND

TO

CLEAR SA"f BLADE.

DO

NOT

RUN

K~CHINE

IGTHOTlT

GTTARD

IN

POSITION.

DIPOi-{TANT:,.

ENSUi-{E

THAT

RIVING

KNIFE

BLADE

IS

COR,\ECT

TlfrCKflESS

FO!

SA"·

rSEI)

G

,(~\

® -

-

~

\1

\

E Riving Knife

H Plate

Riving Knife

FIG

C3,

Ol

O

,·i

, ,

,,

"

0

'·'

. I

!i

0'

, ,

\ i

, !

01

11

I

0\

0

'·1

i \

0:

..

:V

0

·1

u

-,1

[jJ

DJ

C

-'

:

, j

,

0;

o

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[' .

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c-

c

[

o

C

0-

C-

C

[-':

c

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6

[

...~.J

9

J

A K

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FIGC4A

I'<;V'r'V1 knifeplate

www.DaltonsWadkin.com

10

o

HaUNTING

SAWBLADES:-

When

mount

in..;

saws

the

und

erment

iancd

proceedure

sho

"In

be

.

0'

,,

,)

t'ollo",ed:-

j

1.

Isolate

machine

2.

Remove

table

insert

and

raise

the

sa",

sr-i.ndl"

hOllsing

into

tbe

top

position.

3.

Remove

spindle

nut

(left

hand

thread)

"nd

front

saw

flan~e

t'rom

spindle.

4.

Select

b1ane

required

depending

on

tYro

of

work

which

is

to

be

done.

Check

the

h1ane

is

in

good

conditi.on

ann

free

from

dirt,

sawnust

ann

,-;::urn.

especially

where

it

will

he

gripped

by

the

s"w

flange.

Hount

saw

on

the

:'!pind1e

checki.ng

that

the

face

of'

the

hack

saw

flange

i.s

clean

and

that

the

saw

bore

and

hole

centr

es

.

f'i

t

correctly

onto

those

on

th

e

f'lanl"e.

~.

Chack

that

the

saw

teeth

poi.nt

towards

the

front

of

the

machine

be-

fore

re·p1ac!nl?,

the

f'lanl?,a

and

lock!n"

UP

t'irm.ly

with

the

spindlp.

nut.

IHPO.<TA

..

'1T:-

ENSURE

SPINDLE

;<UNS

IN

COaRECT

'lIR"~CTIor;.

R;;;Fr~

TO

Sr~CT

...1!

ELECTRICS

L

',OTE:-

IF

'I'll!, FL.\:-IGE OR S/\I.:

FACES

ARE :-101'

CL8A'I

T1[IS

CAN

CA::SE

VIJH1.A1'IO~

DUE

TO

THE

SAW

RUN:-IING

OUT-OF-TRUF.,

The

mitre

fence

is

fitten

into

the

/?,roov"

providen

on

the

S""

t"hle.

which

should

he

kept

clean.

A

scale

is

provined

tn

innicate

accurate

setting,

and

a

positive

stop

'A'

is

incorporated'

in

the

scale

to

l;iv8

quick

s"tting

at

qOO

and

4S

0

to

the

saw.

Th"

pl"stic

""nnwheel

'B'

locks

the

mitre

fence

firmly

in

any

position.

Accurate

repetitive

cutting

'can

he

obtainen

hy

us

..

of

the

stop

rods

(fil':.

C5.)

The

rods

are

held

in

the

fenca

with

the

thumb~crew~

'c'

an~

the

stop

rods

hy

the

two

clamps

'D!

Tb

adjust

the

sto!"

rons

sl"cken

cl"",ps

'C'

"nd

'D'

ann

sline

the

rons

into

tha

po~ition

reqlJired

,,~

illustr"ted

in

(fi/r.

C6.)

.,

,

0;

0\'

..,

,

01

l1

:

O·

i

, .

I'

i

0:

y

1

D

·!

[,j

O

"l.

, ,

(_1

oj

gJ

[]l

I

C

"

, .

, :

D·

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..

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c.

MITRE

SlOT

STOP

RODS

B

~.--.-

-.

.F"

FIGCS

11

I

,

I

FIGC6

www.DaltonsWadkin.com

12

SA\;

PACKING.

It

is

usual

to

provide

a

saw

hlRde

with

some

form

6f

packinR,

but

it

is

not

intended

thRt

this

packing

be

used

as

a

~uide

for

buckled

or

out-of-true

saws.

The

ideR

of

fitting

packing

piecps

into

the

table

and

ga

P

plAte

is

to

steady

the

saw,

but

it

should

he

noted

that

the

packing

must

not

be

tight

"s

this

,~ill

,o:enerate

heat,

resulting

in

A

consequent

lo~s

of

ten~ion

in

the

blade.

The

arrangement

of

the

saw

packings

"re

in

such

a

way

that

a

h"rd-

wood

mouthpiece

of

a

lene;th

extending

beyond

the

depth

of'

the

saw

teeth

retains

the

f'elt

packin?

pieces

in

plAce.

Also

wood

strips

secured

to

the

underside

of

the

tahle

and

to

the

front

of

the

.o;ap

plate

supnort

the

felt

in

position.

At

the

rear

of

the

gRp

pl"te

anei

tahle

similar

wood

strips

close

the

~aw

,a:ap

and

provide

a

/,:uieie

for

the

saw.

(SEE

DIAGH,\NS

OPPOSITE.

)

It

shoulei

he

noteei

that

after

some

time,

the

p"ckin,o:s

will

need

to

he

renewed,

and

sho11ld

not

he

,,1

loved

to

f"ll

into

b"rt

coneiitif)n.

The

provision

of

the

felt

inserts

allow

application

of

"

sl",all

amount

of

luhricatfn,o:

oil,

which

not

only

cle"ns

the

s"w,

hut

also

re-

eiuces

heat

"nd

burning

whilst

runnin/,:.

It

is

th

..

refore

imoort"nt

that,

at

every

opportunity,

the

felt

pieces

"re

luhricateei.

"

NOTE,-

REPLACE~!ENT

LENGTHS OF

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FIG

CS

FIG

C

11

SPINDLE

ERAKE:_

This

device

is

operated

from

the

brake

lever

'A'

situated

the

rise

and

fall

handwheel.

It

is

connected

to

the

brake

pad

by

means

of

a

cable

'B'

leading

from

the

operating

lever,

and

is

spring-loaded

to

relieve

tension

when

hand

pressure

is

reljeved.

To

tension

the

cable,

turn

the

knurled

nut

'C'

on

the

lever.

Wher~

~'xce!!~ive

~lackness

is

to

be

removed,

unlock

the

grub

screw

'D'

on

the

pillar

at

the

spindle

end

and

pull

cable

through,

re-lock

grub

screw

and

tension

cable

as

mentioned

above

with

knurled

scre~.

When

re-

placing

brake

pad

it

is

important

that

new

rivets

are

used

and

that

the

rivet

heads'are

below

the

surface

of

the

pad

material.

Do

not

allow

brake

pad

to

wear

down

to

rivets

as

this

will

score

the

surface

of

the

special

pulley.(FIGC11}

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S:ECTION

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MAINTENANCE

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SECTION

D.

-

HAINTENANCEj-

During

the

operating

life

of

the

sawbench

it

may

be

fOllnel

necess<'lry

..

,

to

replace'worn

or

damaged

pRrts

(i.e.

ball

races.)(

To

unnertak)e

this

n.,l

proceedure

follow

the

undermentioneel

instrllctions.

SEE

FIG

D

1.

lJ

1.

2.

3.

ISOLAT'P. MACHINE

ELECTRICALLX

BEFOj(E

AITEHPJING

ANY

"ORK.

RENOVE G4.P

PLATE,

SAl.

AND

SAW

SPI:-iDLE

FRONT ,\N'J

RP-AR

COVERS FROH

TilE

MACHIN'e:.

SLACKE:-i

ANn

HENOVE

V_ROPES

FRON PTJLLEYS Al\l) RRHOVE TURNnTJCKLE A..'W

TENSION

STUDS

.\FTER

PACKING

HOTOR UP

;\S

SH01JN

IN

(FIG

D.2.)

4.

'.iIND

SAW

CARRIAGE

INTO

HIDWAY

POSITION.

6.

7.

8.

n

..

10.

11.

REHOVE COllNTERSUNX

SCRE.,

AND

WASHBR '

A'

ANn SLACKBN

GH1JB

SCREWS t

R'

IN

PULLEY

'C'

AND

REHOVE.

RE}IOVE KEY

'D'

AND

DISTANCE

PIRCE

'E'.

REHOVE

CIRCLIP

'F'

A..'in

HOTOR Tt::NSION BRACKET t

G'

ANI>

UNSCnE1i

Ai'!D

REHO

YE

DUSTCAP

'H'.

WORKING

AT

TilE

FRONT

OF

THE

SAW

SPINDLE,

HE:·l0VE NUT

'I'

(L.H.THREAD)

AND

SA"

FLANGE

'J'.

UNSCREW

SAl,

FLA;'1GE

'K'

(L.Ii.THH$AD.)

HEHOVE

RIVL'iG

KNIFE

PLATE·A:'!n

LI:'IK,

A.'1D

UNSCHEW A:\1l

REHOV'';:

nUsT

CAP

1

L'

•

PL~CB

A \.OODEN

DRIFT

ON

THE

PULLEY

E:Nl1

OF TlIP.

Sl'I:'<nU;

A::m !'JltIVE THI,

SHAFT 'THROUGH THE

HOUSING.

11Y

OOlNG

TliIS

THE

SPINDLE

tlll-L

!':hEHGE

FROM

THE

H01'SI~G

\HTH

TIlE

SAl,

E:-r!) ReAIU:'!G

ON

IT.'JIUVE

THI:3

Bb~AR

ING

FHON

THE

SHAFT

AND

RE-INSEIlT

SHAFT

INTO

HOL"SIXG K,'WC1:T.NG

Sf'INDU:

T1TiiOlJGH

'-lITH

HANHER

ANT)

DRIFT

TO

I~E~IOVE

THE PlTLLSY EN':)

nEARING.

[

11

J '

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SI

Dj

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0

,\

IJ

To

re-assemble,.

reverse

ahove

procp.eelure

en"ur1.nl';

all

orie

inal

p"rts

O.J'I

are

thoroughly

cleanerl

out.

* ' ,

It

"houln

al~o

be

noted

that

the

two

locknuts

on

th~

rani"l

slot

in

the

rivinp;

knife

plate

should

onlv

he

tirhtenp.rl

ennu'[h

to

prClvine

a

=iel"

Qj!

'for

the

motion

of"

the

plate

"nn

not

to

clamp

or

lock

the

plate

in

oo"i-

)

ti.on.

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BELT

TENSION:-

On

allm"chinesthe

drive

from

the

main

motorto

the

s'aw

spindle

is

by

means

of

foul" ALPHA

500

type

"V"

Belts.

To

ensure

maximum

efficiency

and

life,of

the'se

belts,

it

is

important

that

the

correct

belt

tensi'on

is

maintained

at

all

times

from

new,

especia'lly

in

the

"running

in"

period.

To

tension

the

belts

follO\~

the

undermen-

tioned

proceedure.

(SEE

FIG.

D.2.)

By

turning

turnbuckle

'At

linking

the

tension

studs,

the

centre

distance

of'

the

pullevs

can

he

incre"sed

to

provide

greater

tension

on

the

belts.

To

achieve

the

correct

tension,

m~asure

the

centre

distance

of

the

l'ulleys

(FIG

DJ.)

and

adjust

with

the

turnbuckle

until,

whilst

applying

a

f'orce

at

right

an",les

and

centr"l

"long

the

belt,

'the

def'lec-

tion

is

not

greater

than

0,5

per

25-.mm

of'

s,pan

-

(e.

g.

584

span

=

115

mm)

de,f'lection.)

REPLACING

BELTS:-

[J

0

1

1]1

nl·

LY

f

-l

I,

.i

To

replace

belts,

decrease

pulley

centre

distance

by

screwing

buckle

and

thu"

relievi.ng

tension

on

the

belts

f'or

their

removal.

I<a'rds

retension

as

,.:iv'm

above.

turn-

nt

Af't

erlJ

POINTS

TO NOTE "'HE);

HAINTAINING

BELT

DRIVES:-

1.

2.

J.

4.

ALWAYS

HAINTAIN

COHnECT BELT

TENSION

Q

REPL,\CE

1.0HX

BELTS

WITH SANE

TYPE

AS

SPEC1FIED.

ALHAYS

REPLACE

'mllN

OH.

D.tHAGED BELTS

INMEDIATELY.

ENSURE

pm

LEYS AiiE COil.HECTLY

ALIGl\ED.

0

,1

I'

(ll

u!

5.

DO

NOT

PRISE

HELTS OVER

PULL~'YS

1nnl

SCREli

DRIVERS

Oll.

OTHER SHARP 0

1

6.

IHPl.EMENTS AS

nns

CA:,

DAMAGE

BELTS.

ENST!RE

PULLEY

GROOVES

AND

BELTS

AHE CLEAN

AND

REl-tOVE

A~

OIL,

RUST

OR

DUTIRS

l.l!ICIl

ARE

PRESENT.

GREA31-; W

,

Oi

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Method

of

pacl<.ing.up

motOr for remcval of

tension screws as

outlined in section

01

(~~--t--t---A

I

FORCE

FIG

D2

FIG

03

DEfLECTION

Oo5mm

PER

25mm

OF

SPAN

19

www.DaltonsWadkin.com

20

SAW

MAINTENANCE:-

Efficient

operation

of

a

circu],ar

saw

dep.ends

on

true

running

of

the

saw

"pindle,

ann

the

sa'"

flanges

being

perfectly

square

to

the

axis

of

the

spindle.

Th"

saw

must

also

run

at

the

correct

peripheral

speed

to

ensure

straight

cutting.

HANGING: -

'R"ngi.n~

down'

shouln

he

done

on

a

new

saw

or

any

saw

after

the

fourth

or

fift'h

sharpening.

To

range

dow'n,

feed

a

square-edged

abra-

sive

block

in

a

woon,m

holner

(FIG

04.)

lightly

against

the

saw

teeth

whils,t

running.

The

sa",

shoulrl

then

be

removed

anrl

the

tops

of'

the

teeth

f'iled

lip;htl'Y

to

remove

the

rangin~

marks.

SAW

SiiARPENING:-

Do

not

r11n a

saw

when

blunt.

To

re-"harpen

by.hand,

holn

the

sa",

in

a

vice

a"

"hown

in

(FIG

D5.)

1itth

rip

saw

teeth,

chi"el

enge"

and

sqn"re

fac

..

s

are

required

(FIG

06.)

Sh"rp

..

n

hy

e'ivjne

e"ch

tooth

an

equal

number

of

stroke,.

with

a

flat

file.

At

the

same

time,

file

the

gull

..

t

of

the

""'"

in

the

s'ame'

manner,

takinp;

care

to

keep

the

gullet

",ell

rounded.

1;

Lt'h

cros"

cut

,.aws

points

are

needed

with

hack

ann

front

l>evels

a,.

in

(FIG.

07.)

In

the

course

Ot

repeated

filing,

s"ws

lose

their

original

,.'hap

..

and

the

gulle·t,,·

become

sh"llow.

To

re"tore

the

original

prof'ile,

it

i>l

ne·cess·ary

to

grind

the

O!!a",

on

"

saw-sharpen

in!';

machine.

SETTING:-

The

a",ount

of

set

should

be

sufficient

to

give

clearance

to

the

sa",

body

so

th

..

rei:!l

freedom

fr"m

friction.

Saw

teeth

ara

generally'

spring

s"t'

(Le.)

the

teeth

are

bent

alternately

to

the

rif,'ht

or

left

as

shown

in

(FIG

OS)

For

good

sawinp.,

this

amount

of'

set

"houln

he

e<"lu"l

at

each

side

or

el".e

the

sa",

will

run

to

one

,.ide.

To

check

the

set,

cut

into

a

piece

of

timber

where

the

re"ult

O!!hould

he

a

"mall,

even

triangle,

as

seen

in

(FIG.

09)

The

aMount

"t

set

varies

according

to

the

t.imber

being

cut,

but

is'

u,.ually,

.Jmm

-4m",.

.

We

c"n

supply

a

,.mall

machine

for

preci"aly

settin!,;

"aws

as

,.hown

in

(FIG

010)

ThiO!!

device

will

accept

sa",,,

11p

to

J6"

in

diameter,

and

indicate,.

the

amount

o~

set

by

micrometer

dial.

For

hand

"etting,

,.mall

devi.cas

can

be

,.upplied

where

it

is

felt

that

the

nl1mher

of

,.a"s

used

doe"

not

warrant

a

machine

(SI';E

~'IG,..Oll

&:

012.)

45

mm

Bore

STANDARD

S.A.W

AND

PI

N

HOLE

CENTRES

15

mm

Bore

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Wadkin BSW 26 inch User manual

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