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60 - 4
Section E
Hydraulics
9803/6410
Section E
60 - 4
Issue 1
Slew Brake Valve
Operation (JS130)
Slew Brake Release
Pilot pressure at 40 kgf/cm
2
(569 lbf/in
2
), selected by the
operator’s control lever, enters port
P
, passes over the outer
surface of solenoid spool
1
and enters passageway
a
. The
oil then passes over the lower end of the pressure reducing
valve spool
2
and enters chamber
b
, which is connected to
passageway
C
. As oil enters passageway
C
, the steel ball
3
is lifted and allows oil to pass over the outer surface of
solenoid spool
4
to outlet port
B
. Pilot pressure at 40
kgf/cm
2
(569 lbf/in
2
) leaving port
B
enters the brake port of
the slew motor and releases the brake.
JS02100
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...