Yanmar EF-494T User Manual

9 HYDRAULIC LIFT UNIT 9 HYDRAULIC LIFT UNIT
EF494T TM 06/2011 edition
183
9.1.5 Safety valve
If an external impact force is applied to the
implement, this valve will open to protect the
hydraulic system and cause oil in the cylinder to
escape to the tank.
The pressure setting can be adjusted by
increasing or decreasing the size of shims.
Pressure setting:
19.6±1 MPa (190-210 kgf/cm
2
)
(A) Safety valve
(B) From the hydraulic cylinder
(C) To the tank
(D) Valve seat
(E) Pressure adjustment shims
9.1.6 Stop valve
Used to stop motion and to adjust the speed
during lowering of the hydraulic lift.
(A) Valve holder (B) Stop valve

Yanmar EF-494T Specifications

General

Brand	Yanmar
Model	EF-494T
Category	Tractor
Language	English