Wadkin Bsw User manual

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[

CIRCULAR

SAWBENCH

TYPE

-:-26"

BSW

c'

C'

r

L

c

o

tr

fJ"

RIVING KNIFE ADJUSTABLE

TO

SUIT SIZE OF SAW

RISES

AND

FALLS

IAln-U

REMOVABLE GAP

PLATE

WITH FELT

&

WOOD ,.."

.....

('\,,,"-'

PIECES.

MACHINE

0

1

.-,

REFERENCE

NUMBER

PLATE

o

r

[

t

[

ACCESS

TO

&SPINDLE

~

GU~RD

ADJUSTMENT.

CANTA8LE

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.

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2

SECTION A

SECTION 5

SECTION C

SECTION D

SECTION

E

SECTION A

SIi:CTION

5

SECTION C

,

, -,

SECTION D

'0

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

CS-Cll

FIG

Dl

, FIG D2-DJ

FIG

D4-D12

FIG D1J

SPECI:FICATION

INSTALLA.TION

DESCRIPTION & OPERATION

MAINTENANCE

SPAHE

PARTS

LIST

26'

BSW

CI!{CULAR

SAWl:l&'fCHES

WIHLXG

DIAGHA}l

(J

PHASE)

FOUNDATION

PLAN

CANTING

'FENCE

CONTROLS

FENCE

ALIGNMENT

PO'L'fTS

RIVING

K..'1H'E

DETAIL

RISE

~'1D

FALL

CONTROLS

RIVING

K..'1IFE

DETAIL

MITRE

FENce

MITRE

FENCE

STOP

ROD

POSITIONS

SA

....

PACKINGS

OPERATION

OF

OPTIONAL

FEATURES

SAI{

SPL'IDLE

ASSEl-lBLY

DELl' TENSIONL'IG

SAW

MAINTENANCE

LUl::IRICATION

,

O

i

Ii

,

C

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"

->

0:'

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e:

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D

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,-

i

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.

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Dd

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[

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[-

L

SPECIFICATION

Haximum

diameter

of

saw-----------------

Maximum

saw

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

26"

650

mm

10"

255

mm

43" x 34"

Size

of

table---------------------------------------~1090

x 860

lurn

Table

height-------------------------------------------

Max.

distance

saw

to

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

34"

865

mm

20"

SOO

mm

21" X

7!"

Fence

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

S35 x 190

mm

Fence

cants

up

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

Rise

and

fall

of

saw

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

450

5"

130

mm

Speed

of

saw

spindle----

_______________________________

16S0 rpm

Horse power

of

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

Diameter

of

saw

bore

____________________________________

Diameter

of

driving

pin--------

_______

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

Net

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

10

45

mm

12

mm

1000

lb

4S0

kg

_

_________________________________

1290

lb

Gross

weight

590 kg

Shipping

dimensions--------

_____________________________ 52

cu.ft

1.5

m3

3

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4 SECTION B

Installat

ion:-

Remove

protective

anti-rust

coating

from

bright

parts

by

'applyin~

a

cloth

soaked

in

paraffin

or

other

solvent.

Wiring:-

The

""tor

and

control

gear

have

been

wired

in

before

de"patch,

therefore

all

that

is

required

to

be

done

is

to

connect

the··mains

supply

to

the

starter,

or

isolator

where

fitted.

POINTS

TO

NOTE

WHEN

CONNECTING

TO

POWeR

SUPPLY.

1 -

Check

volta~e,

phase

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

rJAHAGE

HOTOR.

J -

Check

main

line

fuses

are

of

correct

capacity.

1.

_

:;onnect

line

leads

to

cnrrect

terminals

(SEE

Wlll.ING DIAGRAH).

5

Check

all

connections

are

sound.

6 _

Check

"pindle

rotates

in

correct

direction.

If

not

reverse

any

two

of

the

line

lead

connActions.

FAILURE

TO

START:-

1 -

Fuses

have

blown

of'

have

not

heen

fitted.

2 -

Isolator

switch

ha~

not

be"n

closed.

J -

Lock

off

or

stop

button

(~her.

fitted)

ha~

not

been

rele1sed.

4 -

Supply

r.ot

available

at

machine.

;>'liJPPAGE flURIl'IG (lPER4TTON & fAlLTJRS

1V

i1ESTART:-

1 -

Ovp.rloarls

have

tripned.

lf

I"'.nd

re-set,

set

hy

pressi"!?,

lmtt,m.

jf

automatic

they

will

r\,-set

after

a

~hort

period.

~

-

rtl~e5

ha\'~

blown.

F'oundation:-

The

machine

should

be

levelled

and

bolted

down

firmly.

For

mounting

into

concrete,150

t0250

square

holes

should

be

cut

in

the

floor

and

rag

bolts

fitted,

after

which

the

hol

.." ..

hould

be

run

·"ith

cement.

For

mounting

on

wood

floor"

coach

bolts

will

be

found

adequate.

(

..

ee

Fig.

B2.)

Cl

;

C

o

c

C

01

j

C

c:

0

'i

!_

J

[j-

[

fl

U·

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.,

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o·

D'

C

D

'\

-'.

---/

0

C

D

E

[

BROOK

RT3

STARTER(THREE

PHASE

DIAGRAM)

SUPPLY

,

L1

L2

L3

LINK'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)

JI.IMOTI

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

aUTTCNS

96(a)

34(~61

33(15)

t

_.___

tS

SlTAR.T

t

~°oJ

BROWN

9S~~7)

>

~

>

OL

-1PSTOP/RESET

OL~

~

•

~

2 4 6

98,

96(8)

(9)

j"3)

LlNK'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

mm

...--l-e!-+

----

....-

....

---·-+~-l

595m'Ill

i

,

-l-

I I I I

~l

! -.

I 4 -16

mm

Dia holes

FIG

B2

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b

SECTION C

CANTING &

RIP

FENCE

CONTROLS

QUICK

ADJUSTI!ENTi-

-

The

~ence

~lides

on

a

round

bar

with

a

rule

incorp-

orated

into

it.

To

adjust

the

~ence

~ollow

the

under

mentioned

proceedure:-

1.

Unlock

lever

'A'

and

"crew

'B'

(Fig.

C.1.)

2.

Slide

the

~ence

along

the

bar

until

the

required

dimension

is

indicated

against

the

pointer

on

the

~ence

bracket.

J.

Lock

lever

'K

~irm1y

to

~ecure

in

position.

FINE

ADJUSIMENT:-

A~ter

adjusting

the

~ence

by

the

above

method

provision

is

macie

~or

precise

setting

by

operating

the

~ine

adjust-

ment

~eature.

To

operate

~ollow

uncier

mentioned

proceedure.

1.

Ensure

lever

'AI

is

UNLOCKED

and

~crew'Blis

LOCKED

~irm1y.(Fig.C.1.)

2.

Turn

knurled

hand

~crew

'C'

in

direction

required

in

order

to

draw

the

~ence

along

the

rule

bar

to

or

away

~rom

the

saw

and

to

the

required

eetting.

J.

Lock

lever

'J:

~irm1y.

CANTING:-

To

cant

~ence

~ollow

under

mentioned

proceedure

(Fig.C.1.)

1.

Unlock

leva·r

'D'

and

allow

~ence

to

pivot

over

to

required

angle.

2.

Unlock

1.ve·r

'E'

allowing

~ence

plate

to

drop

down

until

the

lower

edge

o~

the

plate

lies

~lat

on

the

table

sur~ace.

\

~

\

~

J.

Lock

1avers

D

and

E

~irm1y.

FENCE

POSITIONING:-

The

~ence

plate

is

de~igned

to

slide

alOng

the

table

in

order

to

compensate

~or

di~~erent

sizes

o~

"aw~

which

may

be

used.

By

unlocking

lever

'E'

the

p1at

..

maybe

slid

a10nglldovetai1

~lot

in

the

back

o~

the

~ence

to

the

requiren

position,

a~ter

which

locking

lever'E

'

wi11

~i~

the

~ence

~irm1y

in

place.

NOTE:'!'or

crosscutting

swing

~ence

over

the

rule

bar

to

clear

the

table

FENCE SETTING

A~D

ALIGNING:-

On

de~patch

~rom

the

works

the

movement~

o~

the

~ence

have

been

~ine1y

adjusted

~or

accurate

cutting

by

the

provision

o~

the

setting

screws

at

points

F.G.H.I.

(FIG

C2).

These

adjustments

have

seperate

uses,

and

should

only

be

re-eet

to

co~pensate

~or

wear

which

may

take

place

~rom

constant

use.

The

seperate

uses

o~

these

points

are

as

outlined

underneath:-

POINT

F.-

is

an

eccentrically

turned

centre

which

allows

the

~ence

to

be

~et

para1e11

to

the

sav,

or

to

be

set

in

or

out

ae

required.

POINT

G;-

is

a

true

centre

which

allows

slackness

to

be

re~oved

between

centres

F

and

G.

POINT

H:-

is

a

jacking

point

which

provines

a

positive

stop

which

will

not

allow

the

~ence

to

be

pulled

up

~urther

than

90

degrees

to

the

table

when

set

correctly.

P'OINT

I;

-

is

a1,,0

a

jacking

point

centres

F

and

G

parallel

to

the

table

~or

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

,

[

...

t,

; :

,

I

',

.'

; i

J.1

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[ 7

[

C-

C

[

0

c . FIG-Cl

O·

0

C

lOO)

.-./

0

['

-'

[

J

E

.

[

FlGC2

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www.wadkin.com

[email protected]

8

RISE

AND

FALL

CONTROLS:-

By

turning

handwheel

'J'

(fig.

C4

)

the

"aw

may

be

r>lised

or

lowered

between

the

maximum

and

minimum

oosition

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

hanrlwheel

is

connected

through

pivoted

yolks

at

1

points

A.

&

B.

(FIG

c4.)

At

the

hanrlwheel

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-

,

ly

and

that

the

tiru"t

race

is

oiled

Accorrlin".

to

the

maintenance

sCheduleD!'

!tIVING

KNIFE

PLATE:-

The

riving

knif

..

pIa

te

is

situated

behind

the

"a'"

in

the

saw

co",-

pa'rtment

'0'

(fig.

C4A)

and

allows

the

riving

knife

to

rise

anrl

fall

with

the

"aw

at

a

set

clearance

to

the

saw

teeth.

It

is

important

that

th",

area

s,urrounding

thA

radial

"lot

cut

in

the

p.lflte

'be

kApt

clean

>lnd

well

lubricated

t'o

give

free

movement.

HIVING

KNIFE

HOLDEi1.

DETAIL

The

riving

knife

is

"urplied

in

the

invertAd

position.

fit

upright

adoptine:

the

following

proceedure:

-(figC3)

Remove

and

1.

Fit

knife

into

groovt!rl

packln,,,:

piece

'E'

and

bolt

up

to

solid

1'acl<-

ing

piAce

'F'

'~ith

thelO'rrom

nuts

'G'

prov:ldAd.

2.

J'II

.,

1.

'G'

ha"

With

saw

in

plaee

set

knife

to

clear

around

saw

teeth

approximatelY

(6mm)

and

lock

firmly

in

plAce

with

nuts

'G'.

If

the

'knife

is

not

in

line

with

th

..

sa""

partially

slacken

nuts

and

jack

packing

piece

'F'

out

,~ith

/7,rub

screw"

'H'

until

the

knife

e~ual

overhand

either

side

of

the

saw

blade.

Lock

nuts"G'

firmly.

XOTE:

-REFORI':

RUNNING,

ADJUST

SAl

..

GUARD

TO

GIVE

~,AXD1UN

PROTECTIO:-l

AND

TU

CLEAR

SA'!.f

BLADE.

no

NOT

RUN

K4.CHINE IGTHOUT

GTTARD

IN

POSITION.

U!PO!{TANT:,.

ENSU!{E THAT

RIVING

KNIFl!:

BLADE

IS

COR,\ECT TrrrCK±'fE§S

FO!

SA"·

rSEI)

G

,(~\

® -

-

~

\1

\

E Riving Knife

H Plate

Riving Knife

FIG

C3,

Ol

B

',r

·.

·,

"

0

','

, I

!i

0'

· .

\ i

• !

01

11

I

0\

O

,,!

i \

C

i

:V

0

·;

u

,]

[jJ

QJ

C

"

:

, j

•

0;

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[email protected]

[

c

[' .

-'

c-

c

[

c

C

0-

c-

C

[-':

c

[

6

[

...~.J

9

A

.

FIG

C4

FIGC4A

I-<iv,...., knife plate

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10

o

HOUNTING

SAWBLADES:-

When

mount

in..;

saw"

the

llndermentiancd

proceedure

sho"ld

be

.

0'

,,

,)

t'ollo",ed:-

j

1.

Isolate

machine

2.

Remove

table

insert

and

raise

the

SRW

sr~nrllR

hOl1sin~

into

the

top

position.

3.

Remove

spindle

nut

(left

hand

thread)

~nd

front

saw

fl~nKe

from

spind

1e •

4.

Select

blade

required

depending

on

tYro

of

work

wh

ich

is

to

be

done.

Check

the

hlade

is

in

good

condition

and

free

from

dirt,

sawdust

and

,-;::um.

especiAlly

where

it

will

he

gripped

by

the

saw

flan,o:e.

Hount

saw

on

the

~pindle

checking

that

the

face

of

the

hack

saw

flange

is

clean

~nd

thRt

the

saw

b6re

and

hole

centres

fit

correctly

onto

those

on

the

flange.

~.

Ch",ck

that

the

saw

teeth

poi.nt

towards

the

front

of

the

,""chine

be-

fore

re·placin/?,

the

flanl1:'"

Rnd

loekin"

UP

firmly

with

the

spindlp.

nut.

IHPO.nA.l'lT:-

ENSURE

SPINDLE

;lUNS

IN

COaRECT

'lIRo;CTIOI'.

R:::Ft:R TO

Sr~CT

...1!

ELECTRICS

L

'{QTE:-

IF

TllI,

FL.\:-IGE

OR

5,\1.:

FACES

ARE

'lOT

CL8A'I

THIS

CAN

C,\:"SE

VIJHV.1'IO~

DUE

TO

THE

SAW

RUN:-IING

OUT-QF-TRliF..

}I

ITHE

FENC:; (

!if.:

~

j)

.-t

E'URA.

)

The

mitre

fence

is

fitted

into

the

/?,rOOY"

provided

on

the

S"N

t"hle,

Nhieh

should

he

kert

clean.

A

scale

is

proyided

tn

indicate

accurate

setting,

and

a

positlve

stop

'A'

is

incorporated'

in

the

sr.ale

to

I;iv"

quick

sPotting

al;

qOO

and

4S

0

to

the

saw.

Th"

rlastic

""nd"heel

'fi'

locks

the

mitre

fence

firmly

in

any

position.

Accurate

repetitive

cutting

~an

he

obtAined

hy

USP

of

th"

stop

rods

(fil1:.

CS.)

The

rods

are

held

in

the

fence

with

the

thumbscrews

'C'

and

the

stop

rods

hy

the

two

clamps

'D!

Tb

adjust

the

stor

rods

sl~cken

cl~"'ps

'c'

~nd

'D'

and

slide

the

rods

into

th",

position

reqlJired

as

illustrRted

in

(fi~.

C6.)

.

,.,

,

01

[1

:

O·

i

, .

I'

i

0:

y

I

D

·!

[,j

O

"l.

, ,

(_1

oJ

gJ

["

.'.

' ,

i J

j

I

C

"

, ,

, :

D·

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[

[' .

.

~

c·

c

[

c

[

o·

c

c,

..

_"

;

.....

'

C

·

-'

[

E

[

c.

MITRE

SlOT

STOP

RODS

B

~.--.-

-.

.F"

FIGCS

11

I

,

I

FIGC6

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[email protected]

12

SA\;

PACKING.

It

is

usual

to

provirle

a

saw

hl"de

with

some

form

cjf

packinr;,

hut

it

is

not

intenrled

that

this

packing

be

userl

as

a

~uirle

for

bucklerl

or

ou~-of-true

sa*s.

The

idea

of

fitting

packin~

piec~s

into

the

tahle

and

gap

plate

is

to

steady

the

saw,

but

it

should

he

noted

that

the

packing

must

not

be

tight

"s

this

will

,o:enera

te

heat,

resulting

in

"

consequent

lo~s

or

ten~ion

in

the

blarle.

The

arrangement

of

the

saw

pAckings

"re

in

such

a

way

that

a

h"rd-

wood

mouthpiece

of

"

lene;th

extending

beyond

the

depth

of

the

saw

teeth

retains

the

felt

packin/!:

pieces

in

pl"ce.

Also

wood

strips

secured

to

the

underside

of

the

tahle

and

to

the

front

of

the

I';"p

plate

support

the

felt

in

position.

At

the

rear

of

the

gap

plnte

anrl

tahle

similar

wood

strips

close

the

~aw

p:ap

and

provide

a

/,:llirle

for

the

saw.

(SEE

DIAlSH,\NS

OPPOSITE.

)

It

shoulrl

he

noterl

thAt

after

some

time,

the

p"ckings

will

need

to

he

renewecl,

ancl

shol1lrl

not

he

"llowerl

to

fall

into

b"rl

cnnrlitif)n.

The

provision

of

the

felt

inserts

allow

applicatinn

of

"

s,",all

amount

of

luhricatin,o:

oil,

which

not

only

cl""n"

the

s"w,

hut

"Iso

re-

rluces

he"t

and

burning

whilst

runnin.o:.

It

is

th"refore

import"nt

that,

at

every

opportunity,

the

felt

pieces

are

luhricaterl.

"

NOTE,-

REP1...ACE~!EYl'

LENGTHS OF EELT

12

x

11

x

150

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B

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FIG

CS

FIG

C

11

SPINDLE

ERAKE:_

This

device

is

operated

from

the

brake

lever

'A'

situated

the

rise

and

1'all

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~

e'xee!!~ive

~laekness

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

sur1'ace

01'

the

pad

material.

Po

not

allo~

brake

pad

to

wear

down

to

rivets

as

this

will

score

the

sur1'ace

01'

the

special

pulley.(FIGC11}

i!

u)

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I:

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.

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S:ECTION

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MAINTENANCE

(/

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16

SECTION

D.

-

HAINTENANCEj-

During

th9

op9rating

life

of

the

~awbench

it

may

be

fOllnel

necess<'lry

..

,

to

replace'worn

or

damaged

pRrts

(Le.

ball

race~.)(

1'0

unrlertak)e

this

n.,l

proceedure

follow

the

undermention

..

<l

instrllctinn~

•

.sEE

FIG

D

1.

lJ

1.

2.

3.

ISOLATl':

MACHINE

ELECTRICALLX

BEFOj(E

AITEHPJING

ANY

·'ORK.

RENon

GA.P

PLATE,

SAl.

AND

SAW

SPINDLE:

FRONT

,\N')

RF:J\R

COVERS

FRO~r

TilE

MACHINE.

SLACKEN

ANn

HENon

V_ROPES

FRON

PULLEYS

A.1W

nRHOYE

TURNnTJCKLE AND

TENSION

STUDS

.\FTER

PACKING

HOTOR UP

;\S

SH01JN

IN

(FIG

D.2.)

4.

'.HND

SAW

CARRIAGE

INTO

HIDWAY

POSITION.

6.

8.

n

..

10.

11.

REHOVE COUNTERSUNK SCRE1.

AND

\{

ASHBR '

A'

ANn SLACKBN

GH1JB

SCREWS

'R'

IN

PULLEY

'C'

AND

REHOVE.

RE}IOVE KEY

'D'

AND

DISTANCE

PIP-CE

'E'.

RE:HOVE

CIRCLIP

'F'

AXn HOTOR

TI::NSION

BRACKET

'G'

ANIJ

1JN~CnE:1{

Ai'!D

REHO

YE

DUSTCAP

'H'.

WORKING

AT

TilE

FRONT

OF

THE

SAW

SPINDLE,

HE:·l0VE

NUT

'I'

(L.H.THHEAD)

AND

SA"

FLANGE

'J'.

UNSr.:REW

SAlo/

FLANGE

'K'

(L.IJ.THH$A1).)

HEHOVE

RIVING

KNIFE

PLATE*A.'In

LI~,

A.'!D

UNSCHEW '\:'\1l REHOVli:

DUST

CAP

1

L'

•

PL~CB

A \.OOOEN

DRIFT

ON

THE

PULLEY

E:Xn

OF

THP.

Sl'I:'<nLr;

~m

fJltIVE

THI,

SHAFT 'THROUGH

THE

HOUSING.

11Y

OOlNG

TIiIS

TlIR

SPINDLE

IHLL

!':hEHGE

FRON

THE

H01'SI:-l'G

\;JTlI

TIlE

SAl{

EN!)

REAIU.'IG

ON

IT.'JIUVE

THI::;

m;AR-

ING

PItON

THE

SHAFT

AND

RE-INSERT

SHAFT

INTO

HOL"SIXG lGWC1:T.NG

Sf'INDU:

TlTilOlIGH

''iITH

HANHER

ANT)

DRIFT

1'0

I~E}IOVE

THE

PlTLLSY EN':)

nEARING.

[

11

J '

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SI

Dj

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i

, ,

Or

0

,\

IJ

1'0

re-a~~e",ble',

rever"e

above

proc"

..

<lut"e

ensur1.n.:

all

ori",inal

p"rts

D.J'I

are

thoroup.:hly

cleanerl

out.

* ' ,

It

shoulrl

al~o

be

note<l

th"t

the

two

locknuts

on

thp.

rarli"l

s~ot

in

the

rivinp;

knife

plate

~hould

onlv

be

tirhtenp.rl

9nnu,[h

to

prClvirle

a

=i<l

..

Qj!

for

the

motion

of

the

plate

"nrl

not

to

clamp

or

lock

the

pl"te

in

oo"i-

)

ti.on.

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18

BELT

TENSION:-

On

all

",,,chine~the

drive

from

the

",ain

motorto

the

,.'aw

spindle

is

by

means

of

four" ALPHA

500

type

"V"

Belts.

To

ensure

maximum

effi

ciency

and

life,

of

the'se

belts,

t.t

is

importa

nt

tha

tthe

correct

belt

tensi'on

is

maintained

at

all

times

from

new,

especia'lly

in

the

"running

in"

period.

To

tension

the

belts

folIo\{

the

undermen-

tioned

proceedure.

(SEE

FIG.

0.2.)

By

turning

turnhuckle

'A'

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

J)ulleys

(FIG

DJ.)

and

adjust

with

the

turnbuckle

until,

whilst

apl'lying

a

force

at

right

aneles

and

centr'll

'11ong

the

belt,

'the

deflec-

tion

is

not

greater

than

O'S

per

25-.mmot'

s,pan

-(e.g.S84

sl'an

=

11Smm)

de,flection.)

REPLACING

BELTS:-

[J

r,i

1]1

O

J

; ,

f

-l

I,

e

To

replace

belts,

decrease

pulley

centre

distance

by

screwing

buckle

and

thu"

relievi.n~

tension

on

the

belts

for

their

removal.

I<a'rds

retension

as

giv,m

above.

turn-

nt

AfterlJ

POINTS

TO

NOTE WlIE);

HAINTAINING

BELT

nRIVES:-

1.

2.

).

4.

5.

6.

ALWA

YS

HAINTAIN

COimECT

BELT

TENSION

Q

REPL,\CE

1¥OHX

m:LTS

WITH SANE

TYPE

AS

SPEClFIED.

AU1AYS

REPLACE

'mllN

OH.

D.tHAGED BELTS

INMEDIATELY.

ENSURE

pm

LEYS

Ai{E

COtl.HECTLY

ALIGl\ED.

DO

NOT

PRISE

HELTS OVER

P'ULLI!."YS

1iITIl

SCHE1i

DRIVERS

Oll.

OTHER SHARP

IMPLEMENTS AS

TInS

CA:,

DAMAGE

BF;LTS.

ENSTTRE

PULLEY

GHOOVES

AND

BELTS

AHE CLEAN

AND

REl-tOVE

A:-IY

(JIL,

RUST

OR

DUTIRS

'.l!ICIl

ARE

PRESENT.

O

,!

I'

(ll

u!

0

1

,

Di

01

I I

i-l

I

DJ

Q

I

, I

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01

C

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.,

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........

7

Method

of

pacl<.ing.up

motOr

for

remcval of

tension screws as

outlined in section

01

I

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

I

FORCE

FIG

02

FIG

03

DEfLECTION

O°,5mm

PER

25mm

OF

SPAN

19

www.wadkin.com

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20

SAW

HAINTENANCE:-

Efficient

operation

of

a

ctrcu~ar

saw

depends

on

true

runnine

of

the

saw

~pindle,

and

the

saw

flanges

being

perfectly

square

to

the

axis

of

the

spindle.

Th"

saw

must

also

run

at

the

correct

peripheral

speed

to

ensur~

straieht

cutting.

HANGING:

-

'RanginR

down'

should

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

wood,,"

holder

(FIG

04.)

lightly

against

the

saw

teeth

whils't

running.

The

saw

should

then

b

..

removed

and

the

tops

of

the

teeth

filed

lip,htl'Y

to

remOve

the

rangin~

marks.

SAW

SiiARPENING:-

Do

not

run

a

saw

when

blunt.

To

re-sharpen

by

.hand,

hold

the

saw

in

a

vice

as

shown

in

(FIG

D5.)

1ii.th

rip

saw

teeth,

chisel

edges

and

sq,,"re

faces

are

required

(FIG

06.)

Sharpen

hy

e'ivjn1"

each

tooth

an

equal

number'

of

strokes

with

a

flat

file.

At

the

same

time,

file

the

gullet

of

the

s"w

in

the

s'ame'

manner,

takinp;

care

to

keep

the

gullet

well

rounded.

1;

Lt'h

cross

cut

saw.s

points

are

needed

with

hack

and

front

l>evels

as

in

(FIG.

D7.)

In

the

course

01

repeated

filing,

saws

lose

their

original

s·h"p

..

and

the

gulle·ts·

become

shallow.

To

restore

the

original

profile,

it

i..

ne·cess·ary

to

grind

the

saw

on

a

saw-sharpen

in",

machine.

SETTING:-

The

a",ount

of

set

should

be

sufficient

to

give

clearance

to

the

saw

body

so

th"rei~

freedom

fr~m

friction.

Saw

teeth

are

generally

'spring

set'

(i.e.)

the

teeth

are

bent

alternately

to

the

right

or

left

as

shown

in

(FIG

OS)

For

good

sawinp;,

this

amount

of

set

should

he

e<"Jual

at

each

side

or

els.e

the

saw

will

run

to

one

side.

To

check

the

set,

cut

into

a

piece

of

timber

where

the

result

"hould

he

a

small,

even

triangle,

as

seen

in

(FIG.

D9)

The

aMount

"1

set

varies

according

to

the

t.imher

being

cut,

hut

is'

usu"lly,

.Jmm

-4mm,

.

We

can

supply

a

sm"ll

machine

for

precisely

settin",

saws

as

shown

in

(FIG

010)

This

device

will

accept

saws

up

to

J6"

in

diameter,

and

indicates

the

amount

o~

set

by

micrometer

dial.

For

hand

setting,

small

devi.ces

can

he

supplied

where

it

is

felt

that

the

nl1mher

of

saws

used

does

not

warrant

a

machine

(SI';':

~'IGs.Dll

&:

012.)

45

mm

Bore

STANDARD

S.A.W

AND

PIN HOLE CENTRES

15

mm

Bore

"1

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Wadkin BSW User manual

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