Hydraulic system, 4 boom lift circuit and troubleshooting – SkyTrak 6036 Service Manual User Manual

Page 236

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Hydraulic System

8.20

Model 6036 Legacy

8.8.4

Boom Lift Circuit and Troubleshooting

(Refer to Section 8.8.21, “Boom Lift/Lower Circuit Description” for a more detailed explanation of this circuit.)

Figure 8-7 Boom Lift Hydraulic Circuit

IN T

T

ATTACH

TI

LT

FRAM

E

EX

T/

RET

LFT/

LW

AUX

Suction

Return

Load Sense

Pressure

E

R

E

R

LEFT

LIFT/LOWER

CYLINDER

HYDRAULIC

OIL COOLER

SECONDARY FUNCTION

MANIFOLD

UNLOADER

VALVE

DIFFERENTIAL

PRESSURE

SENSE VALVE

RELIEF

VALVE

PUMP

HYDRAULIC RESERVOIR

PPG

PP

T

PBG

P

PS

PSG

PB

VG

SFV

V

P

T

LS

LSG

RIGHT

LIFT/LOWER

CYLINDER

PRESSURE

REDUCING VALVE

LS

RETURN

FILTER

MA6650

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