Kubota M6800S Workshop Manual page 389

M6800 · M6800S · M8200 · M9000, WSM
Down-2 (When "Down" Position is Self-Cancelled)
As the implement cylinder lowers to its downmost position, pressure at P
exceeds, the poppet setting pressure, the pressure-fed oil opens the poppet (4) and moves the detent piston (5) to
right. As a result, the spool (1) is returned to NEUTRAL position by the tension of spring while the detent balls (6) are
moved outside.
port increases. When this pressure
1
8-M32
HYDRAULIC SYSTEM
(1) Spool
(2) Check Valve 1
(3) Check Valve 2
(4) Poppet
(5) Detent Piston
(6) Detent Ball
A : A Port
B : B Port
P : P Port (From Hydraulic
1 1
Pump)
P : P Port (To Auxiliary
2 2
Control Valve)
N : N Port (To Transmission
1 1
Case)
N : N Port (From Auxiliary
2 2
Control Valve)
T : T Port (To Transmission
1 1
Case)
T : T Port (From Auxiliary
2 2
Control Valve)
W1024273
KiSC issued 03, 2008 A