Page 13 of 14
2391, S.5
September, 2004
Repair Track Maintenance
e3
Q.A.C.
c
c2
c3
b4
b
b
e2
a
EX
b2
c3
c4
Port
b - To Brake Pipe.
b4 - To Brake Pipe Passage b.
c - To Brake Cylinder.
c2 - To Passage c3.
c3 - To Service Face and Branch Ports c2 and c4.
e3 - To Emergency Reservoir and Service Face.
Q.A.C. - To Quick Action Chamber.
Port
a - To Auxiliary Reservoir.
b - To Brake Pipe.
b2 - To Strainer Nut Cavity.
c3 - To Emergency Face and Branches c2 and c4.
c4 - To Passage c3.
e2 - To Emergency Reservoir and to Emergency Face.
EX - To Retaining Valve.
Figure 6 - Port Identification Emergency Face
Figure 7 - Port Identification Service Face