REMOVAL
WARNING
Do not disconnect air lines or hoses before draining air reservoirs. Small parts under pressure
may shoot out with high velocity. Failure to comply may result in injury or death to personnel.
NOTE
•
Double check valve No. 5 is used with airbrake kits on M931/A1/A2 and M932/A1/A2
model vehicles. It is located inside the left frame rail in back of the stoplight switch.
•
Tag air lines for installation.
1.
Disconnect primary relay valve control line (Figure 1, Item 14) from valve adapter tee (Figure 1, Item 13).
2.
Disconnect double check valve No. 1 output line (Figure 1, Item 11) from valve elbow (Figure 1, Item 12).
3.
Disconnect secondary relay valve control line (Figure 1, Item 10) from valve elbow (Figure 1, Item 9).
4.
Disconnect double check valve No. 2 control line (Figure 1, Item 6) from bushing (Figure 1, Item 5).
5.
Disconnect treadle valve control line (Figure 1, Item 7) from valve adapter tee (Figure 1, Item 8).
6.
Remove locknut (Figure 1, Item 3), screw (Figure 1, Item 1), and double check valve No. 5 (Figure 1, Item 4)
from frame rail (Figure 1, Item 2). Discard locknut.
TM 9-2320-272-23-3
0476
0476-2