TM 9-2320-366-34-1
TEST OPTIONS
REASON FOR QUESTION
1.
START
NO
YES
Control Valve Flow Test
KNOWN INFO
WARNING
Read WARNING
on following page.
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)
Pan, Drain (Item 43, Appendix B)
Goggles, Industrial (Item 28, Appendix B)
h5. M1089 TELESCOPIC LIFT CYLINDER(S) DRIFTS OR DOES NOT WORK
Faulty lower valve
assembly.
Faulty telescopic lift
cylinder(s).
Faulty counterbalance
valve(S).
Hydraulic oil level OK.
Hydraulic hoses, tubes,
and fittings OK.
Right 30K winch
assembly OK.
Fold Cylinder OK.
Stinger OK.
POSSIBLE PROBLEMS
Are pressure and flow
through lower valve
assembly OK?
Repair lower valve
assembly (para 16-84).
Faulty lower valve
assembly will cause
telescopic lift cylinders
to drift or to not work.
Materials/Parts
Rag, Wiping (Item 60, Appendix C)
Hose (2) (Item 40, Appendix C)
Fitting (2) (Item 31, Appendix C)
Reducer, Tube (Item 61, Appendix C)
Adapter, Swivel (Item 3, Appendix C)
Adapter, Pipe (Item 2, Appendix C)
(2-1001 Blank)/2-1002
