Check Valve Replacement

TM 5-5420-205-14

(1)

The valve located on end bay 2195-2

to prevent entry of foreign material.

Disconnect

opposite end of hose in similar manner.

has a pressure rating of 10,000 psi, and a pilot pressure

of 2,500 psi maximum. The valve size is 34 inch; it has

(4)

Remove cover or plug and install new

a 26 gallons per minute at 40 psi drop, with opening

hose at one end. Trace color code lines on hose,

ratio of 6.4:1, and decompression ratio of 39.2:1.

keeping it on same side complete distance of run; place

(2)

The check valve located on end bay

other coupling in position and secure.

model 2271 has an operating pressure of 3,000 psi

(5)

Fill hydraulic system.

maximum, and pilot pressure of 2,500 psi maximum.

4-15. Check Valve Replacement

Valve size is %/4 inch; 26 gallons per minute at 40 psi

a. Refer to figure 4-7 for removal and installation

drop, opening ratio of 6.4: 1, and decompression ratio of

of the folding cylinder check valves (located on

35: 1 (TM 5-5420-205-20P, part number 13207E6683).

superstructure end bay models 2195-2 and 2271).

Figure 4-7. Checkvalve, removal and installation.

Refer to figure 4-8 for removal and installation

pilot port is 3/8 inch; two ports are inch. The valve

of check valve, pilot operated (located on superstructure

passes 10 gallons per minute, has a proof pressure of

end bay model 2271). This valve has an operating

5,000 psi (minimum), and a burst pressure of 8,000 psi

pressure of 3,000 psi and a set pressure of 600 psi. The

(minimum).

4-10