Relief Valve - Kubota LA1353 Workshop Manual

LA1153, LA1353, WSM FRONT LOADER
[4] RELIEF VALVE
3UFAAAILP090A
(3) (4)
(5)
(6) (7) (8) (9)
(10) (11) (12) (13)
3UFAAAILP091 A
The relief valve is adopted in the loader control valve.
This relief valve is pilot operated type, it is suitable for a
high pressure and large volumetric flow, and has better
pressure override performance than direct acting relief
valves.
This relief valve is a combination valve combining a
relief operation and anti-cavitation operation.
(1) Inlet Section of Control Valve (8) Jam Nut
(2) Main Relief Valve (9) Acorn Nut
(3) Piston Poppet (10) Piston Spring
(4) Relief Valve Poppet (11) Pilot Poppet
(5) Housing (12) Pilot Spring
(6) Check Valve Poppet (13) Adjust Screw
(7) Pilot Section
W1020742
M-18