Counterbalance Valve Replacement

TM 5-5420-205-14

connection of line. The maximum working pressure of

4-16. Counterbalance Valve Replacement

this valve is 3,000 psi. It has an actuating pilot pressure

Refer to figure 4-10 for removal and installation of the

of 25 percent of load pressure, and proof pressure of

counterbalance valve located on end bay superstructure

3,000 psi (TM 5-5420-205-24P, part no. 13207E2468).

model 2195-2. End bay superstructure model 2271 is

similar except for removal of cap on tee fitting, and

Figure 4-10. Counterbalance valve, removal and installation.

has a proof pressure of 4500 psi a minimum burst

4-17.

Curb End Bay Pilot Operated Check Valve

pressure of 7,000 psi, and it is adjustable from 50 to

Replacement

3,000 psi.

General. The curb end bay, pilot-operated,

b. Removal and Installation. For removal and

check valve is adjustable and has a maximum flow rate

installation of the check valve refer to figure 4-11.

of 10 gallons per minute. The valve is set at 600 psi; it

4-13