CONTROLS AND SWITCHES · 2020. 8. 12. · teer left s teer right torque s w (l) lift mode forward/down rever s e/up pwm input connector s on main control harne ss joy s ... 35 blk/red

March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI SpecificationsPage 4-14

CONTROLS AND SWITCHES

Emergency Stop

Hour Meter

Engine Start (Green)

Choke/Preheat (Black)

Circuit Breaker

Gasoline/Propane (Dual Fuel)

Platform /Chassis

Engine Stop(Red)

Throttle(Green)

Lower(Green)

Raise(Green)

EngineStart / StopPower Relay

Lift / DriveSpeed / Torque

Emergency Stop

Choke / Glow Plug

Generator (Optional)

Horn (Optional)

Drive Enabled Indicator(Optional)

Outrigger Extend/Retract (Optional)

Forward/UpRocker Switch

PotentiometerReverse/DownRocker Switch

Enable Switch

Micro-SwitchesSteering

"3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications March 2008Page 5-1

SECTION 5:SCHEMATICS

SECTION 5:SCHEMATICS .............................................................................................. 5-1

Hydraulic Schematic ............................................................................................................ 5-2Main Hydraulic Manifold .................................................................................................... 5-4Optional Outriggers Hydraulic Manifold ............................................................................ 5-5

Electric Schematics ............................................................................................................. 5-6Circuit Board ..................................................................................................................... 5-8Controls............................................................................................................................5-10Engine ..............................................................................................................................5-13Optional Outriggers ..........................................................................................................5-15Optional Generator ..........................................................................................................5-16


HYDRAULIC SCHEMATICCallout

CYL2MA3SV5

ORF3

CYL3MA5SV6RV4

ORF4CYL4MA4SV6RV4

ORF6

LFLR

RV3RFRRRV3

P1

FL1

CYL1

CYL5SV7SV8SV9

Description

Lift Cylinder Components (3072RT)CylinderManifold, Lift CylinderSolenoid Valve - 12V Cable AttachOrifice - 0.073

Lift Cylinder Components (3772RT)Cylinder, UpperManifold, Lift Cylinder, UpperSolenoid Valve - 12V Dual CoilRelief Valve - 3200 PSIOrifice - 0.073Cylinder, LowerManifold, Lift Cylinder, LowerSolenoid Valve - 12V Dual CoilRelief Valve - 3200 PSIOrifice - 0.047

Wheel Motor ComponentsWheel Motor - Left FrontWheel Motor - Left RearRelief Valve - 3000 PSI - Cross Port ReliefWheel Motor - Right FrontWheel Motor - Right RearRelief Valve - 3000 PSI - Cross Port Relief

Pump - Variable DisplacementPressure Compensated

Return Filter - 10 Micron

Cylinder, Steering

Optional Outriggers ComponentsOutrigger CylinderSolenoid Valve, Poppet N.C.Solenoid Valve, Poppet N.C.Spool Valve, 4Way - 3 Position

Callout

MA1SVD1SV1SV2

SV3 - SV4SP1RV1RV2

PD1 - PD2 - PD3EP1 - EP2

MP1LS1 - LS2 - LS3

CBV1 - CBV2CL1CL2CL3HP1

FD1 - FD2EC1

CV1 - CV2OD1OPL2

OPL5 - OPL6ORF5

Description

Manifold ComponentsManifold, Main Valve BlockSpool Valve, Drive, 4 Way - 3 PositionSpool Valve, Lift, 3 WaySpool Valve, Steer, 4 Way - 3 PositionSpool Valve, Series Parallel, 4 Way - 3 PositionProportional Valve - 12VRelief Valve, Lift - 2500 PSIRelief Valve, Steer - 1500 PSIPiloted Spool Valve, 4 Way - 3 PositionPiloted Poppet ValveManual Pull ValveLoad Sense Shuttle Check ValveCounter Balance ValveCoil, Series 8 - 12VCoil, Series 10 - 12VCoil, Series 10 E-Coil - 12VHand Pump, Brake ReleaseFlow Divider / CombinerPressure CompensatorCheck Valve, Load SenseOrifice Disc, Brake - 0.035Orifice Plug, Steer - 0.080Orifice Plug, Flow Divider Bleed - 0.025Orifice, Decent Control - 0.093


ab

MA-

5

ø.04

7

STL

LFT

GPP

GLS

LSGS

TRPU

MP

LFA

LFB

RRB

B

RRLF

RF

AA

LR

B

RRA

RFB

RRA

LRA

LRB

MA-

1

STR

S2 CL1

S1 CL1

ORLS OR

R

ORS

MA-

4

ø.07

3

ø.09

3

ø.08

0

ø.02

5

UPPE

R LI

FT C

YLIN

DER

3772

RTON

LY

MA-

3

ø.07

3

3072

RTON

LY

LOW

ER L

IFT

CYLI

NDER

STEE

RING

LIFT

CYL

INDE

R

RV4

SV6

SV5

SV7

SV7

SV8

SV8

CYL5

CYL5

CYL5

CYL5

SV7

SV7

SV8

SV8

SV9

CYL3

ORF4

ORF3

RV4

RV3

RV3

CV1

CV2

SV2

SV1

LS2

LS1

SP1

EC1

P1

FL1

RV1

RV2

OPL2

OPL5

ø.03

5

OD1

PD1

PD2

PD3 LS3

CBV1

CBV2

MP1

SV4

CL1

SV3

HP1

33

11

22

SVD1

FD1

2500 PSI

1500 PSI

ORF5

EP2

SV6

CYL4

CYL1

CYL1

CYL2

ORF6

CL2

CL3

ø.02

5

FD2

OPL6

EP1

CL1

TB

ORB

ORLS

ORR

ORS

ORA

OPTI

ONAL

OUT

RIGG

ERS


Main Hydraulic Manifold

PLG4

PLG4

PLG4OPL6

PLG4OPL5

PLG4

PLG4

PLG6

CBV1

CBV2

PLG6

OPL6

PLG4

PLG4

PLG4

PLG4

PLG4SVD1

FD1EP1

LS2

PLG4 LS1

CV1

CV2

LS3

PD1

PD2

PD3

FD2

EP1HP1

EC1

SV1

CL2

SP1CL3

RV1RV2

SV3

CL1

MP1 OD1

SV4

CL1

SV2

CL1

CL1

GP

STL

BSTR

GLSORR

LRA

LFA

RFA

LFB

RRB

GSTR

ORS

LFT

P

T

RFB LRB

RRA

FRONT BACK

RIGHT TOP

LEFT BOTTOM

LS

ORLS


Optional Outriggers Hydraulic Manifold

BOTTOMRIGHT

LEFT FRONT

ORA

ORLS

ORSORB

ORR

PLG4

PLG10CAV1

CV1

SV1 CL1 CL1

CV2


A

B

C

D

ELECTRIC SCHEMATICS


A

A

B

C

C

TILTSENSOR

MA

IN H

AR

NE

SS

- A

NS

I


Circuit Board

The Circuit Bard schematic is broken into two pages for clarity. The cable connections areshown on this page. Match the numbers to line-up the traces.



Controls

8687

A

8530

87

21

1

2

2

21 2

21

13

42

12

3

65

4

R

H6

X - + A

H5

12 11 10 9 8 7 6 5 4 3 2 1

23

E-ST

OP IN

(H)

IGN

(L)

CHOK

E IN

(L)

THRO

TTLE

INPU

T (L

)HI

RAN

GE (H

)ST

EER

LEFT

STEE

R RI

GHT

TORQ

UE S

W (L

)LI

FT M

ODE

FORW

ARD/

DOW

NRE

VERS

E/UP

PWM

INPU

T

CONN

ECTO

RS O

NM

AIN

CONT

ROL

HARN

ESS

JOYS

TICK

ANSI

UPP

ER C

ONTR

OLS

WIT

HOUT

OUT

RIGG

ER O

PTIO

N

TERM

INAL

STRI

PHD

34CO

NNW

IRE

NUM

BERS

AND

COLO

RS

4 3

DT06-12SAUPPER STATION

2 1 12 11 10 9 8 7 6 5

WHT

WHT

/RED

BLK/

WHT

GRN/

WHT

ORG/

GRN

GRN

ORG

WHT

/BLK

BLU/

RED

GRN/

BLK

BLU/

BLK

BLU

1 W

HT

1A Y

EL/W

HT10

1 YE

L/W

HT

20 O

RG/R

ED

55 O

RG/G

RN

15 B

LK

13 WHT/BLK

35 B

LK/R

ED

32 G

RN/B

LK

3RE

D PLUG

NUM

BERS

FORW

ARD/

DOW

N

S3 S1

ROCK

ERST

EER

L/R

ENAB

LE

REVE

RSE/

UP

PPL

BLU

YEL

GRN3A3132

31 B

LU/B

LK

3 PP

L8

GRN

7 OR

G25

GRN

/WHT

101A

RED

38 PNK/WHT

104 BLU/RED

15 B

LK

6 OR

G/ B

LK

3 PP

L25

GRN

/WHT

25 G

RN/W

HT25

GRN

/WHT

15 B

LK

101

WHT

/RED

101

WHT

/RED

PC BOARD

3 PP

L

3 PP

L

TIM

E DE

LAY

RELA

Y

SPEE

D/TO

RQUE

LIFT

/DRI

VE

14 B

LU

101

WHT

/RED

24 B

LK/W

HT25

GRN

/WHT

55 O

RG/G

RN8

GRN

1 OR

G13

WHT

/BLK

104

BLU/

RED

32 G

RN/B

LK31

BLU

/BLK

14 B

LU

M N O P Q R S T U V W X

ORG/

BLK

RED/

ORG

RED/

BLK

BLK/

RED

ORG/

RED

BLK

TORQ

UE S

W (2

)DE

OUT

(H)

DE IN

(H)

PLAT

FORM

DIS

ABLE

(H)

STAR

T (L

)GN

D

6

DT06-6SUPPER STATION #2

4 3 5 2 1

B D F H K L

6 OR

G/BL

K45

RED

/GRN

45A

RED/

BLK

35 B

LK/R

ED20

ORG

/RED

15 B

LK

C E G A J

72 B

LU/W

HT73

BLK

/WHT

/RED

74 W

HT/B

LK/R

ED71

RED

/WHT

75 R

ED/W

HT/B

LK

NOT

USED

E-ST

OPCH

OKE/

GLOW

RELA

YUP

PER

STAT

ION

KEY

SWIT

CH

2 3

4

DIOD

E BL

OCK

DB-2

DIOD

E BL

OCK

DB-1

GENE

RATO

RSW

ITCH

(OPT

ION) 71 RED/WHT


8687

A

8530

87

21 2

21 2

21

13

42

12

3

65

4

R

H6

X - + A

H5

2431

12 11 10 9 8 7 6 5 4 3 2 1

23

E-ST

OP IN

(H)

IGN

(L)

CHOK

E IN

(L)

THRO

TTLE

INPU

T (L

)HI

RAN

GE (H

)ST

EER

LEFT

STEE

R RI

GHT

TORQ

UE S

W (L

)LI

FT M

ODE

FORW

ARD/

DOW

NRE

VERS

E/UP

PWM

INPU

T

CONN

ECTO

RS O

NM

AIN

CONT

ROL

HARN

ESS

JOYS

TICK

ANSI

UPP

ER C

ONTR

OLS

WIT

H OU

TRIG

GER

OPTI

ON

TERM

INAL

STRI

PHD

34CO

NNW

IRE

NUM

BERS

AND

COLO

RS

4 3

DT06-12SAUPPER STATION

2 1 12 11 10 9 8 7 6 5

WHT

WHT

/RED

BLK/

WHT

GRN/

WHT

ORG/

GRN

GRN

ORG

WHT

/BLK

BLU/

RED

GRN/

BLK

BLU/

BLK

BLU

1 W

HT

1A Y

EL/W

HT10

1 YE

L/W

HT

20 O

RG/R

ED

55 O

RG/G

RN

15 B

LK

13 WHT/BLK

35 BLK/RED

35 BLK/RED

32 G

RN/B

LK

3RE

D PLUG

NUM

BERS

FORW

ARD/

DOW

N

S3 S1

ROCK

ERST

EER

L/R

ENAB

LE

REVE

RSE/

UP

PPL

BLU

YEL

GRN3A3132

31 B

LU/B

LK

3 PP

L8

GRN

7 OR

G25

GRN

/WHT

101A

RED

38 PNK/WHT

104 BLU/RED

WHTORGGRNBLK

15 B

LK

6 OR

G/ B

LK

3 PP

L

GRY

(57)

RED/

BLU

(301

)

EXTE

NDRE

TRAC

T

PNK/

WHT

(69)

YEL

(68)

GRY

(57)

25 G

RN/W

HT

25 G

RN/W

HT25

GRN

/WHT

15 B

LK

101

WHT

/RED

101

WHT

/RED

TO B

ASE,

CON

NECT

S TO

OUTR

IGGE

R HA

RNES

S

DRIV

EEN

ABLE

LIGH

T

PC BOARD

3 PP

L

3 PP

L

TIM

E DE

LAY

RELA

Y

SPEE

D/TO

RQUE

LIFT

/DRI

VE

2

2

3

3

4

4

DIOD

E BL

OCK

DB-3

14 B

LU

101

WHT

/RED

24 B

LK/W

HT25

GRN

/WHT

55 O

RG/G

RN8

GRN

1 OR

G13

WHT

/BLK

104

BLU/

RED

32 G

RN/B

LK31

BLU

/BLK

14 B

LU

M N O P Q R S T U V W X

ORG/

BLK

RED/

ORG

RED/

BLK

BLK/

RED

ORG/

RED

BLK

TORQ

UE S

W (2

)DE

OUT

(H)

DE IN

(H)

PLAT

FORM

DIS

ABLE

(H)

STAR

T (L

)GN

D

6

DT06-6SUPPER STATION #2

4 3 5 2 1

B D F H K L

6 OR

G/BL

K45

RED

/GRN

45A

RED/

BLK

35 B

LK/R

ED20

ORG

/RED

15 B

LK

E-ST

OPCH

OKE/

GLOW

RELA

YUP

PER

STAT

ION

KEY

SWIT

CH

12

DIOD

E BL

OCK

DB-2

DIOD

E BL

OCK

DB-1

C E G A J

72 B

LU/W

HT73

BLK

/WHT

/RED

74 W

HT/B

LK/R

ED71

RED

/WHT

75 R

ED/W

HT/B

LK

71 RED/WHT

1 32 5

4 6



CO

NT

RO

L M

OD

ULE

PO

WE

R M

OD

ULE

EN

GIN

E R

UN

SO

LEN

OID

10 G

A R

ED

00

12 G

A R

ED

00

14 G

A R

ED

00

BAT

TE

RY

CA

BLE

BLK

BAT

TE

RY

CA

BLE

RE

D

Engine


CO

NT

RO

L M

OD

ULE

PO

WE

R M

OD

ULE

BAT

TE

RY

CA

BLE

BLK

BAT

TE

RY

CA

BLE

RE

D

LIQ

UID

PR

OPA

NE

GA

SO

LIN

E

10 G

A R

ED

00

14 G

A R

ED

00

RE

D/G

RN


Optional Outriggers

EXTEND

1

1

3

4

65

2

234

1234

RETRACT

PLATFORMPOWERRELAY

UPPER CONTROL STATION

GRN/RED 67

GRN/RED 67

GRY/WHT 66

GRY/WHT 66

GRY/RED 65

GRY/RED 65

GRY/BLK 64

GRY/BLK 64

BRN/YEL 63

BRN/YEL 63

BRN/RED 62

BRN/RED 62

GRN 61

GRN 61

BRN/BLK 60

BLK/ORG BLK/ORG BLK/ORG BLK 15

LR RR RF

PPLRED/WHT

RED/

WHT

201

RED/

BLU

301

PPL

56

BLK

WHT

GRN

ORG

YEL

68

PNK/

WHT

69

GRY

57

RED/

BLU

301

YEL 68PNK/WHT 69

GRY 57

BLK/RED

RED/BLU 301

YEL/WHT 304PCB TERMINAL S17

B+ (VCC1)ALARM TERMINAL

THROTTLE SWITCHTERMINAL 4

PCB TERMINAL S5

LOWER CONTROL BOX

RED/WHT 201

ORG/BLU 125

BLK/ORG 125

BLK/ORG 125

1

2

3

4

PPL PPLLR RR RF LF

PPL

LF

BRN/BLK 60

BLK 15

BLK 15

BLK 15

86

8730

87LIFT ENABLE

RELAY

EXTEND OUTPUTRETRACT OUTPUTALL LEGS DOWN OUTPUTTHROTTLE UP OUTPUT

YEL/BLK 168PPL/WHR 169BRN 156ORG/BLU 125

P4-5

P4-1

P4-6

P4-2

P4-7

P4-3

P4-8

P4-4P2-2

P2-6

P2-3P2-4

GP106

P2-5

P4-9 P2-12

P2-1

P2-11

P2-10P2-7P2-8P2-9

RETRAC LR

OUTRIGGERCYLINDERS

PLATFORM DOWNSWITCH

OUTRIGGER STOWED SWITCHES

OUTRIGGERMANIFOLD

OUTRIGGER PRESSURE SWITCHES

EXTEND LR

RETRACT RREXTEND RR

RETRACT RFEXTEND RF

RETRACT LFEXTEND LF

RETRACT VALVEEXTEND VALVE

CABLEASSEMBLIES

INSIDE LOWER CONTROLS

INSIDEUPPERCONTROL BOX


Generator Option, RTPublication Art #: ART_2496

N.O.N.C.

ORG

BLK

BLK

BLK

14 GA RED

10 GA RED

YEL/RED

BLKORG ORG

ORGORG/GRN

RED

ORG/GRN

ORG/BLK

INTERMEDIATEHARNESS

RED/WHT

POWERMODULE

CONTROLMODULE

THROTTLESOLENOID

GENTHROTTLESOLENOID

THROTTLE RELAY

TO: CIRCUITBOARD

STARTER

12 VDC BATTERY

TO: GENERATOR

GENERATORVALVE

WHTGRNBLK

DUAL FUEL

87

87a30

85 86

87

87a30

85 86

PIN 5 PIN 5PIN 12PIN 2PIN 1

PIN 12

ENGINE HARNESS

RED/WHT 71RED/WHT

WHT/RED

UPPER CONTROLS

EXISTING UPPER CONTROL CABLEGENERATOR

TOGGLE SWITCH

ALT

N.O.

N.C.

N.C.

N.C.

ORG

BLK

BLK

BLKBLKORG ORG

ORG

ORG/GRN

ORG/GRNORG/GRN

ORG/BLK

INTERMEDIATEHARNESS

RED/WHT

POWERMODULE

CONTROLMODULE

THROTTLESOLENOID

GENTHROTTLESOLENOID

THROTTLE RELAY

PREHEAT RELAY

GEN THROTTLE RELAY

TO: CIRCUITBOARD

TO: GLOWPLUGS

TO: GENERATOR

GENERATORVALVE

WHTGRNBLK

DIESEL

87

87a30

85 86

87

87a30

85 86

87

87a30

85 86

87

87a30

85 86

PIN 5 PIN 5ORG/WHT

ORG/WHT

ORG/BLU

PIN 3

PIN 12PIN 2PIN 1

PIN 12

ENGINE HARNESS

RED/WHT 71RED/WHT

WHT/RED

UPPER CONTROLS

EXISTING UPPER CONTROL CABLEGENERATOR

TOGGLE SWITCH

14 GA RED12 GA RED

10 GA RED

YEL/RED

RED

STARTER

ENGINE RUNSOLENOID

12 VDC BATTERY

ALT

Optional Generator

Documents

CONTROLS AND SWITCHES · 2020. 8. 12. · teer left s teer right torque s w (l) lift mode forward/down rever s e/up pwm input connector s on main control harne ss joy s ... 35 blk/red