Valve (RE-6 Relay Emergency Valve)

4-42. Valve (RE-6 Relay Emergency Valve)

(4) Remove the RE-6 relay emergency valve from

tank connection.

a. Every 3600 operating hours or 100,000 miles, or

yearly, depending upon operating conditions and

c. Installing RE-6 Relay Emergency Valve.

experience, the relay valve should be disassembled,

(1) Clean or replace line to valve.

cleaned and lubricated. Rubber parts and parts subject

to wear should be replaced if worn or damaged. The

(2) Mount relay valve on tank nipple, be sure it is

emergency line filter should be cleaned or replaced.

mounted vertically (delivery parts facing down) and

securely.

b. RE-6 (Relay Emergency Valve Removal (fig. 4-

12).

(3) Connect the four brake chamber air hoses to the

delivery ports on RE-6 Valve.

(1) Block trailer wheels.

(4) Connect service line in service port (upper port)

(2) Open drain cocks on reservoir and drain air

and emergency line in emergency port (lower port). (fig.

from trailer air system.

(3) Disconnect from RE-6 relay emergency valve

the four air lines to the brake chamber, the service line

and the emergency line. See figure 4-14.

4-27