HYDRAULIC SYSTEM
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
8-M15
[3] OPERATION
Neutral
9Y1211167HYM0018US0
(1) Boom Control Section
(2) Bucket Control Section
(3) Spool for Bucket Control
(4) Spool for Boom Control
(5) PB Passage 1
(6) PB Passage 2
(7) Load Check Valve
(8) Relief Valve
P: Pump Port
T: Tank Port
A1: A1 Port
A2: A2 Port
B1: B1 Port
B2: B2 Port
PB: Power Beyond Port
(a) Low Pressure