TM 9-2320-366-34-1
KNOWN INFO
TEST OPTIONS
1.
START
NO
YES
Control Valve Flow Test
REASON FOR QUESTION
WARNING
Read WARNING
on following page.
Replace eight bank valve
assembly (para 16-59).
Is flow and pressure
through boom telescope
control valve OK?
Hydraulic oil level OK.
PTO OK.
Hydraulic hoses, tubes
and fittings OK.
Hydraulic pump OK.
Monoblock valve OK.
Tele-out lockout
solenoid.
POSSIBLE PROBLEMS
Faulty control valve.
Faulty holding relief valve.
Faulty boom lift cylinder.
Faulty control valve will
cause boom to not
telescope.
j7. M1089 MATERIAL HANDLING CRANE (MHC) BOOM DOES NOT TELESCOPE IN OR OUT
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)
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)
Fitting (Item 32, Appendix C)
Adapter, Pipe (Item 1, Appendix C)
2-1056
