k3. DUMP BODY CREEPS DOWN FROM RAISED POSITION
TM 9-2320-366-34-1
2-1072.12 Change 1
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)
Gloves, Mens (Item 40.1, Appendix C)
Materials/Parts
Rag, Wiping (Item 60, Appendix C)
Personnel Required
(2)
START
KNOWN INFO
TEST OPTIONS
Dump body raises and lowers
OK.
POSSIBLE PROBLEMS
Faulty counterbalance valve.
Faulty M1090/M1094 four way
relief valve.
Visual Inspection
REASON FOR QUESTION
Dump body may creep down
from raised position if counter-
balance valve is contaminated
and if preformed packings or
back-up rings are damaged.
YES
WARNING
Read WARNING
on following page.
Is counterbalance valve
free of debris and has no
damage to preformed
packings or back up rings?
1.
NO
Clean or replace counterbalance
valve (para 17-3).
