Yanmar SA Series - HYDRAULIC SYSTEM; 3-Point Hitch Control System

11-1
11. HYDRAULIC SYSTEM
SA221/324/424 Operation Manual
11. HYDRAULIC SYSTEM
■ Use the 3-Point Hitch Control Lever
1. Use the 3-point hitch control lever to raise and
lower the implement that is attached to the 3-point
hitch.
<SA221>
<SA324/424>
(A) 3-point hitch control lever
(B) Position stop knob (SA324/424)
(a) Moving the 3-point hitch control lever forward
lowers the implement.
(b) Moving the 3-point hitch control lever backward
raises the implement.
(c) Neutral (SA221)
2. Adjust the position stop knob to set the implement
to the lowest possible height.
●Always completely release
the internal hydraulic
pressure before
disconnecting a hydraulic
line.
●Always ensure that all connections are
securely tightened.
●Always ensure that all hydraulic lines, pipes
and hoses are free from wear and/or damage.
1. 3-Point Hitch Control System
IMPORTANT
●Avoid operating the 3-point hitch control lever
before the engine has been sufficiently warmed
up.
●Operating the 3-point hitch control lever while the
engine has not yet been sufficiently warmed up:
• can damage the hydraulic system
• can result in the complete failure of the
hydraulic system
●If abnormal noise occurs after the 3-point hitch
has been raised, incorrect adjustment or failure of
the hydraulic system are possible causes.
• immediately stop the operation
• contact YOUR LOCAL YANMAR TRACTOR
DEALER to check and repair the tractor
NOTE
● The 3-point hitch delivered with the tractor is a
Category 1.
! WARNING
NOTE
●The 3-point hitch control lever is labeled 1 to 6.
●The numbers:
• for reference purposes only
• do not indicate any exact height position for the
implement that is attached to the 3-point hitch
●The lower the number, the closer the lower links
is to the ground.
(A)
(c)
(a)
(b)
(A)
(a)
(b)
(B)
SA221_324_424_OperatorsManual.book 1 ページ ２０１８年６月４日 月曜日 午後５時１９分