TM 5-3805-296-23-2
0112
Table 1. Service Brakes Do Not Engage Correctly Continued.
0112
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. Monitor and record air pressure
Service Brakes Do Not
Air Pressure Does Not Fall Below 100
reading on gauge
Engage Correctly
psi (690 kPa) Turn ignition switch and
(Figure 1, Item 3) while assistant
Continued
battery disconnect switch to OFF
rapidly pumps brake pedal five
position (TM 5-3805-296-10).
times (TM 5-3805-296-10).
Close valve (Figure 2, Item 1).
Disconnect quick disconnect hose
(Figure 1, Item 5) from quick disconnect
coupling half (Figure 1, Item 1).
Remove quick disconnect coupling half
(Figure 1, Item 1) from air drain
connection (Figure 1, Item 2).
Proceed to Test Step 5.
Air Pressure Falls Below 100 psi
(690 kPa) Turn ignition switch and
battery disconnect switch to OFF
position (TM 5-3805-296-10).
Close valve (Figure 2, Item 1).
Disconnect quick disconnect hose
(Figure 1, Item 5) from quick disconnect
coupling half (Figure 1, Item 1).
Remove quick disconnect coupling half
(Figure 1, Item 1) from air drain
connection (Figure 1, Item 2).
Replace air compressor governor
(WP 0261).
Proceed to Test Step 12.
Test Step 4. Test Air Compressor
Governor Adjustment.
1. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-3805-296-10).
2. Remove cover (Figure 3, Item 4)
from governor (Figure 3, Item 1).
3. Loosen locknut (Figure 3, Item 2).
NOTE
Turn adjustment screw clockwise to lower pressure and counterclockwise
to raise pressure. One rotation of adjustment screw changes pressure
approximately 20 psi (140 kPa).
4. Turn adjustment screw
(Figure 3, Item 3) as necessary to
adjust air pressure to 125 5 psi
(862 34 kPa).
5. Tighten locknut (Figure 3, Item 2).
6. Install cover (Figure 3, Item 4) on
governor (Figure 3, Item 1).
0112-5
