TM 9-2320-366-34-1
KNOWN INFO
1.
TEST OPTIONS
REASON FOR QUESTION
Faulty control valve will
cause stinger cylinder to
not work.
YES
NO
START
Is pressure at input and
output stinger cylinder OK?
Stinger Cylinder Flow Test
h4. M1089 STINGER CYLINDER DOES NOT WORK
WARNING
Read WARNING
on following page.
Replace stinger cylinder
(para 16-70).
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
Personnel Required
(2)
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Tester, Hydraulic (Item 73, Appendix B)
Goggles, Industrial (Item 28, Appendix B)
Pan, Drain (Item 43, Appendix B)
Hydraulic hoses,
tubes, and fittings OK.
Right 30K winch
assembly OK.
Fold Cylinder OK.
Lift cylinder OK.
Hydraulic oil level OK.
PTO OK.
POSSIBLE PROBLEMS
Faulty lower valve
assembly.
Faulty stinger cylinder.
Repair or replace lower valve
assembly (para 16-84).
Materials/Parts
Rag, Wiping (Item 60, Appendix C)
Hose (2) (Item 40, Appendix C)
Fitting (2) (Item 31, Appendix C)
Fitting (2) (Item 32, Appendix C)
Adapter, Pipe (2) (Item 2, Appendix C)
Adapter,Swivel (2) (Item 3, Appendix C)
2-998
