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TM 9-2320-364-20-2
2-1737
2-24. BRAKES SYSTEM TROUBLESHOOTING.
This paragraph covers Brakes System Troubleshooting. The Brakes System Fault Index, Table 2-43, lists faults for the
brakes system of the PLS truck. Refer to schematics Figures 2-43 through 2-46 when performing tests and corrective
actions.
Table 2-43. Brakes System Fault Index
Fault No. Description
Page
1.
Parking Brakes On Axles No. 3 Through No. 5 Do Not Release
2-1742
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.
Parking Brakes On Axles No. 3 Do Not Release
2-1750
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.
Parking Brakes On Axles No. 4 And No. 5 Do Not Release
2-1762
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.
Parking Brakes On Axles No. 3 Through No. 5 Do Not Apply
2-1772
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.
Parking Brakes On Axle No. 3 Do Not Apply
2-1778
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.
Parking Brakes On Axles No. 4 And No. 5 Do Not Apply
2-1786
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.
Trailer Service Brakes Do Not Apply When Hand Control Valve Is Operated
2-1796
. . . . . . . . . .
8.
Service Brakes On Axles No. 3 Through No. 5 Do Not Apply
2-1804
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.
Service Brakes On Axles No. 3 Through No. 5 Do Not Release
2-1812
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.
Service Brakes On Axle No. 3 Do Not Apply
2-1818
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11.
Service Brakes On Axle No. 3 Do Not Release
2-1828
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.
Service Brakes On Axles No. 4 And No. 5 Do Not Apply
2-1838
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.
Service Brakes On Axles No. 4 And No. 5 Do Not Release
2-1848
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14.
Service Brakes On Axles No. 1 And No. 2 Do Not Apply
2-1858
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15.
Service Brakes On Axles No. 1 And No. 2 Do Not Release
2-1868
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16.
Truck Brakes Unevenly; Pulls To One Side
2-1878
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17.
Excessive Braking Distance
2-1884
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18.
Brake Drums Overheat
2-1890
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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