k2. DUMP BODY DOES NOT LOWER
TM 9-2320-366-34-1
2-1072.10 Change 1
Fault corrected
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1)
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Pan, Drain (Item 42, Appendix B)
Goggles, Industrial (Item 28, Appendix B)
Lifting Bracket, Dump Body (2) (Item 8, Appendix D)
Gloves, Mens (Item 34.2, Appendix C)
STE/ICE-R (Item 70, Appendix B)
Transmitter, Pressure (Item 1, Appendix G)
Materials/Parts
Rag, Wiping (Item 60, Appendix C)
Tee (Item 88.2, Appendix C)
Reducer, Tube (Item 60.1, Appendix C)
Hose Assembly, Nonmetallic (Item 40.1, Appendix C)
Indicator, Temperature, Label (Item 40.4, Appendix C)
Personnel Required
(2)
References
TM 9-4910-571-12&P
NOTE
Perform Electrical System Troubleshooting
e143. Dump Body Does Not Raise (TM 9-
2320-366-20-2) prior to beginning this task.
CAUTION
Read CAUTION
on following page.
Can pressure at port B
of valve manifold be adjusted
to 325-375 PSI ?
START
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Faulty pressure reducing valve
will cause dump body not to
raise.
Pressure Test or
STE/ICE-R Test #51
Faulty pressure reducing valve.
POSSIBLE PROBLEMS
Hydraulic oil level OK.
PTO OK.
Hydraulic rotary pump OK.
Relief valve OK.
NO
YES
1.
Clean or replace pressure
reducing valve (para 17-3).
