TM 5-3810-307-24-1-1
PILOT-OPERATED CHECK VALVE
DESCRIPTION
There are two different types of pilot-operated check
FRAME-MOUNTED VALVE.
valves utilized in the outrigger circuit.
The valve is located on the inside frame rail near the
integrated outrigger valve. The purpose of the valve
CYLINDER-MOUNTED VALVE.
is to prevent reverse flow from the piston side of the
The valve is located in the outrigger stabilizer port
outrigger cylinders. Incorporated within the valve
block. The check valve provides two functions; the
cartridge is a thermal relief valve set to open at 4000
first function is a holding valve, the second function
psi (27,580 kPa).
provides a thermal relief of the stabilizer.
NOTE
For more detailed information and maintenance of the pilot-operated
check valves, refer to VALVES in Section 8 - HYDRAULIC SYSTEM.
