FIELD MAINTENANCE
DRAWBAR WILL NOT LOWER
INITIAL SETUP:
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(WP
0194, Table 1, Item 47)
Personnel Required
Wheeled Vehicle Mechanic (2)
References
WP
0067
References (cont.)
WP
0081
WP
0088
WP
0103
Equipment Condition
Parking brake applied (TM 9-2330-342-10).
(WP
0190)
Wheels chocked (TM 9-2330-342-10). (WP
0190)
TROUBLESHOOTING PROCEDURE
DRAWBAR WILL NOT LOWER
STEP 1
Is drawbar free of damage or binding?
NOTE
•
125 ± 5 psi (861 ± 34 kPa) must be supplied to trailer air system before
troubleshooting can begin.
•
Air lines and valves listed in this troubleshooting procedure are illustrated and located
in Air System Schematic.
1.
Raise and lower drawbar and inspect drawbar for damage and binding at connections to trailer frame. Refer
to TM 9-2330-342-10
(WP
0190).
DRAWBAR
Figure 1.
Drawbar.
TM 9-2330-342-23&P
0027
0027-1