141

873R

TM

preliminaryspecification

873 Heavy Duty Screener

SPECIFICATION:Screen Size: 3660mm x 1530mm (12’ x 5’) Net Engine Power: Tier 3 / Stage IIIA: Caterpillar C4.4 83kW (111.3hp) Tier 3 / Stage IIIA: Caterpillar C4.4 97kW (130hp) Stage IIIA Constant Speed: Perkins 1104 97kW (130hp) Tier 4F / Stage IV: Caterpillar C4.4 82kW (110hp) Portability: Tracked Operating Weight: 26,300kg (57,982lbs)* *Standard Machine configuration

TM

142

Hopper - Extensions folded for crusher feed

SPECIFICATION

HOPPER / FEEDERHopper Capacity: 7m³ (9.16yd³)Feed height 3.56m (11’ 8”)Feed width: 2.6m (8’ 6”)Drive: Twin drive motor gearbox arrangementBelt width: 1.2m (40”)Speed Variable: 0 - 21 m/min

SCREEN BOXTop & bottom deck: 3.66m x 1.53m (12’ x 5’)Tensioning top deck: sideTensioning bottom deck: endDrive: hydraulic with heavy duty bearing Catwalks: Galvanised access catwalk on both side of screenScreen angle: 13° - 19°, hydraulic adjustableScreen speed: 1000 rpmScreen stroke: 8mm (0.4”)Screen box discharge end raises hydraulically 500mm to facilitatemesh changingTotal screening area: 10.95m2 (120ft2)

OVERSIZE CONVEYORBelt width: 1.2m (48”)Working Angle: 18° - 24°Speed: Variable speed, 50 m/min max belt speedImpact bars 2/3 Length of ConveyorSteel skirted full length of conveyorDischarge Height: 3.5m (11’ 5”)Stockpile capacity: 64m3 (70yd3) max

TRANSFER CONVEYORBelt width: 1.2m (48”)Belt Speed: 83 m/min (272 ft/min)Conveyor fully skirted

FINES CONVEYORBelt width: 800mm (32”)Belt spec: plain beltWorking Angle: 24° - 28°Rosta scraper on head drumSpeed: variable speed, 120 m/min (394 ft/min) max belt speedStandard Discharge Height: 4m (13’ 1”) maxStockpile capacity: 95m3 (124yd3) maxOptional telescopic sectionExtended Discharge Height: 5.1m (16’ 9”) max

Screen Box

Oversize Conveyor

Oversize Conveyor

Fines Conveyor

143

TM

873MID GRADE CONVEYORBelt width: 800mm (32”)Belt spec: chevron beltWorking Angle: 22° - 26°Speed: variable speed 120 m/min (394 ft/min) max belt speedStandard Discharge Height: 3.4m (11’ 2”) maxStockpile capacity: 58m3 (76yd3) maxOptional telescopic sectionExtended Discharge Height: 4.4m (14’ 5”) max

Stockpile capacity: 126m3 (165yd3) max

POWERUNIT AND HYDRAULICSTier 3 / Stage IIIA: Caterpillar C4.4Engine Power: 83kW (111.3hp)Engine Speed: 2200 rpmTier 3 / Stage IIIA: Caterpillar C4.4Engine Power: 97kW (130hp)Engine Speed: 2200 rpmStage IIIA Constant Speed: Perkins 1104Engine Power: 97kW (130hp)Engine Speed: 1800 rpmTier 4F / Stage IV: Caterpillar C4.4Engine Power: 82kW (110hp)Engine Speed: 2200 rpmPump 1: Tandem 33/33cc One section driving the belt feeder or right trackSecond section driving oversize and mid-grade in parallel or left track.Pump 2: 46/27cc Driving screenbox and fines & transfer conveyor in parallelPump 1: Triple 63/41/41cc (Constant Speed)First section driving the screen.Second section driving the oversize or mid-grade conveyors in parallel or the right track.The third section driving the feeder or the left track.Pump 2: Tandem 33/33cc (constant speed)Driving the fines and transfer conveyor

TANK CAPACITIESHydraulic Tank Capacity: 470 litres / 103 UK gal / 124 US galFuel Tank Capacity: 327 litres / 72 UK gal / 86 US galUrea Tank Capacity: 19 litres / 4.2 UK gal / 5 US gal

UNDERCARRIAGEShoe Width: 400mm (16")Sprocket Centres: 2.92m (9’ 5”)Speed: 0.9kphGradeability: 27°

Midgrade Conveyor

Top Deck Tines

Galvanised Catwalk around Screen

Top Deck Punch Plate

Cat Powerunit

144

R

OPTIONSRadio remote control of tracksTines in top deck (40/55/65/75/100/125/150mm) - Max. piece size not to exceed 500mm³, based on a Material density of 1,600kg/m³Abbrasion Resistant Plate punch plate in top deck of screen (35/40/50/60/75/85/100/125/150mm) (175/200mm punch plate also available but only on last 2 screens) - Max. piece size not to exceed 500mm³, based on a Material density of 1,600kg/m³

Heavy duty Bofar bars in top deck (75/100/125/150mm) - Max. piece size not to exceed 500mm³, based on a Material density of 1,600kg/m³Punch plate bofar style (55/65mm) Max. piece size not to exceed 500mm³, based on a Material density of 1,600kg/m³Cascade fingers in bottom deck 15/40/50/60Top deck mesh (20-150mm) - Max. piece size not to exceed 500mm³, based on a Material density of 1,600kg/m³Bottom deck mesh/ speedharp (10-60mm) Hydraulic tensioning (bottom deck screen mesh) 1 nr stockpiler drive OR Separate drive for middle & oversize conveyors OR Separate drives for transfer and fines conveyors68 grade hydraulic oilSpecial paint colour (if different from Terex MPE White RAL 1013 or Finlay Orange RAL 2002) RAL must be specified on order 10mm Abbrasion Resistant Plate lined hopper300mm increased ground clearance extensionImpact bars full length of oversize conveyor Extended fines & middle grade conveyors (fines 750mm extra height, mid grade 800mm extra height)

STANDARD FEATURESENGINE:Tier 3 / Stage IIIA Caterpillar C4.4 - 4 cylinder diesel engine developing 83kW (111.3hp) 2200 rpmTier 3 / Stage IIIA Caterpillar C4.4 ATAAC ACERT - 4 cylinder diesel engine developing 97kW (130hp) @ 2200 rpmStage IIIA Perkins 1104 97kw Constant Speed Engine - 4 cylinder diesel engine developing 97kW (130hp) 1800 rpm - Europe OnlyTier 4F / Stage IV - Caterpillar C4.4 - 4 cylinder diesel engine developing 82kW (110hp) @ 2200 rpm

FEEDER:Hopper Capacity: 7m3 (9.16yd3)Beltfeeder with 1200mm plain belt (40”) and twin hydraulic gearbox driveNo grid unitRemote start stop of pan feeder

SCREENBOX:Modular configuration screen boxHydraulic raise for mesh changing (500mm)Both top and bottom decks 3.66m x 1.53m (12’ x 5’)No mesh included for any deck (but all mesh fitting parts included as standard)Galvanised Catwalk around screen c/w handrail, kick board and access ladderScreen box reject chute (1)

OVERSIZE CONVEYOR:Belt Width: 1.2m (48”) O/S conveyor with twin drive and chevron belt (3.5m discharge height)

MIDDLE GRADE CONVEYOR:Belt Width: 800mm (32”) chevron belt on middle grade conveyor with variable speed & thumper roller

FINES CONVEYOR:Belt Width: 800mm (32”) plain belt on fines conveyor with variable speed and belt scraper

GENERAL: Heavy duty undercarriage unit with 400mm wide pads - 2920mm sprocket centresControl operation of tracks via hand held-set with 5m connection leadSafety guards in compliance with machinery directiveLow level greasingEmergency Stops (4 nr)

145

873

u

Hop

per

Cap

acity

: 7m

³ (9

.16y

d³)

u

Feed

hei

ght:

3.56

m (1

1’ 8

”)u

Fe

ed in

wid

th: 2

.6m

(8’ 6

”)u

D

rive:

Tw

in d

rive

mot

or g

earb

ox a

rran

gem

ent

u

Bel

t wid

th: 1

.2m

(40”

)

Hopp

er /

Feed

er

Scre

enbo

xu

To

p de

ck: 3

.66m

X 1

.53m

(12’

X 5

’)u

B

otto

m d

eck:

3.6

6m X

1.5

3m (1

2’ X

5’)

u

Tens

ioni

ng to

p de

ck: s

ide

u

Tens

ioni

ng b

otto

m d

eck:

end

u

Driv

e: h

ydra

ulic

with

hea

vy d

uty

bear

ing

u

Cat

wal

ks: G

alva

nise

d ac

cess

cat

wal

k on

bot

h si

de o

f scr

een

u

Scr

een

Ang

le: 1

3° -

19°

, hyd

raul

ic a

djus

tabl

eu

S

cree

n S

peed

: 100

0 rp

mu

S

cree

n st

roke

: 8m

m (0

.4”)

u

Scr

een

box

disc

harg

e en

d ra

ises

hyd

raul

ical

ly 5

00m

m to

fa

cilit

ate

mes

h ch

angi

ngu

To

tal s

cree

ning

are

a: 1

0.95

m2 (

120f

t2 )

Mid

grad

e Co

nvey

oru

Bel

t wid

th:

800m

m (3

2”)

u B

elt s

pec:

che

vron

bel

tu

Wor

king

Ang

le: 2

2° -

26°

u S

peed

: var

iabl

e sp

eed

120

m/m

in (3

94 ft

/min

)

max

bel

t spe

edu

Sta

ndar

d D

isch

arge

Hei

ght:

3.4m

(11’

2”)

max

u S

tock

pile

cap

acity

: 58m

3 (76

yd3 )

max

u O

ptio

nal t

eles

copi

c se

ctio

nu

Ext

ende

d D

isch

arge

Hei

ght:

4.4m

(14’

5”)

max

u S

tock

pile

cap

acity

: 126

m3 (1

65yd

3 ) m

ax

Over

size

con

veyo

ru

Bel

t wid

th: 1

.2m

(48”

)u

Wor

king

Ang

le: 1

8° -

24°

u

Spe

ed: V

aria

ble

spee

d, 5

0 m

/min

max

bel

t spe

edu

Impa

ct b

ars

2/3

Leng

th o

f Con

veyo

ru

Ste

el s

kirt

ed fu

ll le

ngth

of c

onve

yor

u

Dis

char

ge H

eigh

t: 3.

5m (1

1’ 5

”)u

Sto

ckpi

le c

apac

ity: 6

4m3 (7

0yd3 )

max

Tran

sfer

con

veyo

ru

Bel

t wid

th: 1

.2m

(48”

)u

Bel

t Spe

ed:

83 m

/min

(272

ft/m

in)

u C

onve

yor

fully

ski

rted

u

Sho

e W

idth

: 400

mm

(16”

)u

Spr

ocke

t Cen

tres

: 2.9

2m (9

’ 5”)

u

Spe

ed: 0

.9kp

hu

Gra

deab

ility

: 27

°

Unde

rcar

riage

Fine

s co

nvey

oru

Bel

t wid

th: 8

00m

m (3

2”)

u B

elt s

pec:

pla

in b

elt

u W

orki

ng A

ngle

: 24°

- 2

8°u

Ros

ta s

crap

er o

n he

ad d

rum

u S

peed

: var

iabl

e sp

eed,

120

m/m

in (3

94 ft

/min

) m

ax b

elt s

peed

u S

tand

ard

Dis

char

ge H

eigh

t: 4m

(13’

1”)

max

u S

tock

pile

cap

acity

: 95m

3 (12

4yd3 )

max

u O

ptio

nal t

eles

copi

c se

ctio

nu

Ext

ende

d D

isch

arge

Hei

ght:

5.1m

(16’

9”)

max

Pow

erun

itu

Tier

3 /

Sta

ge II

IA:

Cat

erpi

llar

C4.

4

En

gine

Pow

er: 8

3kW

(111

.3hp

)

En

gine

Spe

ed:

2200

rpm

u

Tier

3 /

Sta

ge II

IA:

Cat

erpi

llar

C4.

4

En

gine

Pow

er: 9

7kW

(130

hp)

Engi

ne S

peed

: 22

00 r

pmu

Sta

ge II

IA C

onst

ant S

peed

: Per

kins

110

4

En

gine

Pow

er: 9

7kW

(130

hp)

Engi

ne S

peed

: 18

00 r

pmu

Tier

4F

/ S

tage

IV :

Cat

erpi

llar

C4.

4

En

gine

Pow

er: 8

2kW

(110

hp)

Engi

ne S

peed

: 22

00 r

pm

146

R

TRANSPORT DIMENSIONS

WORKING DIMENSIONS

MACHINE WEIGHT: 26,300kg (57,982lbs) Standard Machine configuration

For further information on specific machine weight configurations please consult Terex Finlay

13.7m (45’ )

3.4m

(11’ 2

”)

3.05m (10’)

12.6m (41’ 4”)

13.9m (45’ 7”)

3.3m

(10’

10”)

4.5m

(14’

9”)