![background image](http://html1.mh-extra.com/html/jcb/js130/js130_service-manual_3610745281.webp)
33 - 3
Auxiliary (OPT) Operation
When pilot pressure is applied to port
bl1
by operating the
Auxiliary Pedal, the spool
E
moves to the right, closing off
neutral gallery
F
. Oil from the pump is directed to outlet port
BL2
, by lifting check valve
G
. At the same time, because
neutral gallery
F
is closed, the foot release valve
H
closes
and stops signal pressure
FL
to the pump controller,
enabling the pump to deliver maximum flow.
When pilot pressure is applied to port
al1
the reverse
operation occurs.
Section E
Hydraulics
9803/6410
Section E
33 - 3
Issue 1
Control Valve
JS01710
Summary of Contents for JS130
Page 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
Page 118: ......
Page 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Page 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Page 207: ......
Page 209: ......
Page 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Page 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...