Sumitomo SH350LC-5 SH350HD-5 SH370HD-5 Hydraulic Excavator Service Text Manual WLST3505-01T - PDF

Page 94

CO US N F E ID O E F N TS TI M AL GL : F O OR BA T L H

E

IN

TE RN

AL

Port Diagram

Port

Port size

Port name

Port

Port size

Port name

P2

SAE 6000psi 1 Pressure line

pa7

G1/4

Bucket-open pilot line

A6

SAE 5000psi 1 Right travel (forward) line

pa3

G1/4

Right swing pilot line

B6

SAE 5000psi 1 Right travel (backward) line

pa8

G1/4

Boom 1-up pilot line

A7

SAE 5000psi 1 Bucket-open line

pa4

G1/4

Boom 2-up pilot line

B7

SAE 5000psi 1 Bucket-close line

pa9

G1/4

Arm 2-out pilot line

A8

SAE 5000psi 1 Boom-up line

pa5

G1/4

Arm 1-out pilot line

B8

SAE 5000psi 1 Boom-down line

PA

G1/4

Upper signal

Return line

PT

G1/4

Travel signal

pa1

G1/4

Left travel forward pilot line

Ps2

G1/4

Negative control line

pa6

G1/4

Right travel forward pilot line

Pbu

G1/4

Swing priority variable orifice

DR3

G1/4

Straight travel drain line

Pa2

G1/4

Option line

T2

SST-04-06-043EN

10 4


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