8-M8
MX5100, WSM
HYDRAULIC SYSTEM
■ Lowering
4. When the position control lever is moved to the
LOWERING position, the control arm (2) rotates to
the arrow. Therefore, the spool drive lever (1) moves
around the fulcrum P and pushes the spool (3) and
poppet 2 (4) opening the LOWERING circuit in the
position control valve (6). (Refer to figure [1].)
5. When the lift arm moves downward, the feedback
lever shaft (5) is rotated to the arrow, since the
feedback rod (6) is actuated. Therefore, the spool
drive lever (1) moves around the fulcrum Q and pulls
the spool (3). (Refer to figure [2].)
6. The lift arm stops when the spool (3) returns to the
neutral position.
W10191580
(1) Spool Drive Lever
(2) Control Arm
(3) Spool
(4) Poppet 2
(5) Feedback Lever Shaft
(6) Feedback Rod
(7) Position Control Valve
[1] Lifting
[2] Lifting to Neutral
A : Front Side
B : Rear Side
C : Connected to Position
Control Lever
D : Connected to Lift Arm
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