Hydraulic System Schematic 914-g PDF

15

14

13

11

12

FUN CTI ON

TO BRAKE ACCUMULATOR MANIFOLD

G

VALVE GP STEERING & BRAKE MANIFOLD 234-5120 (KZN1-UP)

9

10

SIGNAL LINE  ACCUMULATORS RIDE CONTROL 228-0790

S1

CUS HIO N RID E

1

NORM AL OPER ATION

0

VALVE GP RIDE CONTROL 111-0350

7

6

G

OS

CREEPER VALVE

KK

M2

TO ATTACHMENT CYLINDERS VALVE GP RELIEF 186-0911

ORIFICE 114-0441

VALVE GP RELIEF 186-0911

VALVE GP RELIEF 186-0906

VALVE GP RELIEF 186-0906

TO IMPLEMENT PILOT SYSTEM

VALVE GP DEAD ENGINE LOWER 112-1817

VALVE GP 133-3823 2 STEM 133-3824 3 STEM 133-3825 4 STEM

MOTOR GP HYSTAT LARGE VARIABLE DISPLACEMENT 168-1837

 A

FF

GG

PS1

G1

G

VALVE GP CHECK 9T-3096

HH

II

PC

AB

TO IMPLEMENT VALVE

FLUSH

B DISP CONTROL

X1

107cc FWD CCW

MB

R&R PUMP GP 157-2630

MOWER ATTACHMENT IMPLEMENT RETURN (REMOVE HOSE JUMPER)

TO HYDRAULIC TANK

T1

E

POR

FROM HYDRAULIC TANK

CHRG

X3

X1

SUPPLY PRESSURE FROM F BRAKE  ACCUMULATORS

X2

X4 IP

DD

SPEED SENSING

 ACTR VALVE GP TILT 117-3637

VALVE GP LIFT 117-3636

HAND METERING UNIT 149-4830 JAPAN & NACD 150-5405 COSA

STRAIGHT THROUGH CONNECTION (JAPAN & NACD ONLY)

SHUTTLE U 80cc FWD CCW

 A  ACCUMULATOR PILOT 228-0788

VALVE GP PILOT SHUTOFF 112-1817

ORIFICE 8C-0564

FNR

FWD

PUMP GP HYSTAT 156-7205

 A

FROM HYDRAULIC TANK FLUSHING BYPASS BLOCK

D

FWD

DISP CONTROL

B

MOTOR GP HYSTAT SMALL VARIABLE DISPLACEMENT 134-7307

TO HYDRAULIC TANK M1

OIL SAMPLING VALVE

EE LL

  WIRED TO CONTROLLER

LOWER/ FLOAT

TO BRAKES

ORIFICE 8C-0564

PILOT SUPPLY FROM HYSTAT CHARGE PUMP

S3

BRAKE LINE TANK RETURN

TO HYDRAULIC TANK RETURN CHECK VALVE

MIN

STRAIGHT THROUGH CONNECTION (JAPAN & NACD)

S2

C

FWD

MA

CYLINDER GP COUPLER 190-3085 STROKE 80.5mm 188-0982 STROKE 115.0mm

G

R&R

X2

VALVE GP  AUXILIARY 117-3637

VALVE GP - PILOT 163-3118 JOYSTICK 163-3120 JOYSTICK & AUX 163-3121 JOYSTICK & 2 AUX

RAISE

RACK BACK

DUMP

AUX

FILTER BYPASS SWITCH

E

JJ

FILTER GP CHARGE PUMP 137-7747

AUX

D

D

T

LS

P

VALVE GP COUPLER 193-4750

IT14G ONLY

CYLINDER GP LIFT (LH) 131-4402

914G ONLY

STRAIGHT THROUGH CONNECTION (COSA ONLY)

 ACCUMULATORS RIDE CONTROL 228-0790

IT14G ONLY

IT14G IMPLEMENT CONTROLS

TO 4TH FUNCTION

FUN CTI ON

BLOCK 122-7272 S1

S1

S2

1

0

S3 0

C O UP L E R ENG AGE

0

1

0

COUPL ER DISEN GAGE

0

0

1

N O RM A LO P ER A T ION

0

0

0

0 = SOLENOID DE-ENERGIZED 1 = SOLENOID ENERGIZED

TO BRAKE/INCHING VALVE

VALVE GP RELIEF 186-0904

VALVE GP RELIEF 186-0911

ORIFICE 114-0441

F

PRESS SW BRAKES 150-3754 IT14G ONLY

TO LIGHT ON DASH

FRONT BRAKES

REAR BRAKES

TO ATTACHMENT

TO ATTACHMENT CYLINDERS

VALVE GP RELIEF 186-0906

CYLINDERS VALVE GP RELIEF 186-0906

VALVE GP RELIEF 186-0906

SB BB

    8    M     R     9    T ,     4    2    o     6    l   r    o     R     C  ,     N   e    g    a     E     P     4     R     2

CYLINDER GP TILT 111-6245

C US HI ON R ID E

NOTE: SEE SCHEMATIC LOCATION G-13 & G-15 FOR KZN1-UP

VALVE GP STEERING & BRAKE MANIFOLD 156-5314 (PDF1-UP) (FWL1-UP)

CYLINDER GP LIFT (RH) 131-4401

VALVE GP RIDE CONTROL 111-0350

 ACCUMULATORS BRAKE 149-5533

C

F

CW

FROM HYDRAULIC TANK

E

VALVE GP HYSTAT BRAKE SHUTOFF 112-1817

VALVE GP BRAKE / INCHING 149-4139

VALVE GP INCHING 107-3255

U

MIN

PS

TO STEERING HMU

VALVE GP RELIEF 186-0909

TO TANK

CYLINDER GP STEERING 104-4187

1

MM VALVE GP OVER SPEED 196-5862

S1

FROM STEERING PUMP CIRCUIT

2

3

914G & IT14G SPEEDER - HYSTAT SCHEMATIC

1 = SOLENOID ENERGIZED

  ALTERNATE CONFIGURATION BRUSH CUTTER APPLICATION

TO MOWER ATTACHMENT IMPLEMENT SUPPLY

4

5

914G IMPLEMENT CONTROLS

CYLINDER GP TILT 6E-5918

0 = SOLENOID DE-ENERGIZED

FROM COUPLER VALVE

F

8

CYLINDER GP LIFT 109-1334

NN C

VALVE GP DEAD ENGINE LOWER 112-1817

MANIFOLD  ACCUMULATOR BRAKE 152-1110

VALVE GP RELIEF 186-0909

IT14G ONLY SP

OO

 AA TO LIGHT ON DASH PRESSURE SWITCH SEC STEER 3E-6450 VALVE GP SECONDARY STEERING 113-7863

VALVE GP CHECK 9T-3096 B

ELECTRONIC CONTROLLER

VALVE GP LIFT 117-3636

VALVE GP TILT 117-3639

VALVE GP  AUXILIARY 117-3637

VALVE GP  AUXILIARY 117-3637

VALVE GP 133-3826 2 STEM 133-3827 3 STEM 133-3829 4 STEM

B

IT14G HYSTAT CHARGE & PILOT SUPPLY

PUMP GP 157-2630

HYSTAT SUPPLY (FORWARD)

M

PUMP GP SECONDARY STEERING 240-0803

HYSTAT SUPPLY (REVERSE)

 ACCUMULATOR PILOT 228-0788

Steering & Brake Pump Output.   Work Tools Pump Output. Secondary Steering Pump Output. Hydrostatic Drive Pump Output. Hydrostatic Charge Output. Supply Line. Drain / Return Line.

TO HYSTAT MOTOR BEARING B

HYDRAULIC CIRCUIT COLOR DESCRIPTIONS

PILOT SUPPLY FROM HYSTAT CHARGE PUMP

COOLER 234-0177 C

ORIFICE 8C-0564

 A

CC

CL

ORIFICE 8C-0564

VALVE GP PILOT SHUTOFF 112-1817

        G        4        1        9

IT14G BLOCK GP TANK 204-2585

IP

DD

        G        4        1        9

FROM HYSTAT PUMP CASE DRAIN

Hand Metering Unit Control System. Steering & Brake Charging Circuit.

        G        4        1        9

Hydrostatic Pump Signal Control Circuit.

IT14G

D

FROM HYSTAT MOTOR CASE DRAIN G

BRAKE LINE TANK RETURN

 A E

TANK GP

FROM HYSTAT BRAKE/ INCH VALVE DRAIN

Tilt Cylinder Control Circuit. Coupler Cylinder Control Circuit.

VALVE GP - PILOT 163-3118 JOYSTICK 163-3120 JOYSTICK & AUX 163-3121 JOYSTICK & 2 AUX   WIRED TO CONTROLLER

4TH Function Control Circuit. Large Motor Control Signal Circuit. Lift Cylinder Control Circuit.

LOWER/ FLOAT

RAISE

RACK BACK

DUMP/ REGEN

 AUX

AUX

 AUX

AUX

Brake Cylinder Control Circuit.   Attachment Cylinder Control Circuit.

LINE PATTERNS

PressureLine Pilot/LoadSensingPressure Drain / Return Lines ComponentGroup  Attachment  AirLine

THIS SCHEMATIC IS FOR THE 914G & IT14G WHEELLOADERANDINTEGRATEDTOOLCARRIER Part #: 234-1887 CHG 02 (914G PDF1-UP) Part#:234-1888CHG02 (IT14GFWL1-UP) Part#:212-7127CHG03 (IT14GKZN1-UP)

 A