TM 9-2320-366-34-1
2-1086
TEST OPTIONS
REASON FOR QUESTION
Faulty holding valve will
cause cylinder to drift
down.
KNOWN INFO
1.
YES
Visual inspection
Does right outrigger remain
in stowed position?
START
2.
Is flow through right
outrigger control
valve OK?
YES
KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Three Way Control Valve
Assembly Flow Test
Repair three way control valve assenbly
(para 16-27).
WARNING
Read WARNING
on following page.
l3. M1084/M1086 MATERIAL HANDLING CRANE (MHC) RIGHT OUTRIGGER (JACK) DRIFTS OR
DOES NOT WORK
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)
POSSIBLE PROBLEMS
Hydraulic oil level OK.
Hydraulic hoses, tubes,
and fittings OK.
Faulty holding valve.
Faulty control valve.
Faulty thermal relief valve.
Faulty outrigger jack
cylinder.
Replace right outrigger jack cylinder
(para 16-26).
Hydraulic oil level OK.
Hydraulic hoses, tubes
and fittings OK.
Holding valve OK.
POSSIBLE PROBLEMS
Faulty control valve.
Faulty thermal relief valve.
Faulty outrigger jack
cylinder.
Faulty control valve will
cause stabilizer outrigger
jack cylinder not to
operate.
NO
NO
Materials/Parts
Rag, Wiping (Item 60, Appendix C)
Hose (2) (Item 40, Appendix C)
Fitting (2) (Item 31, Appendix C)
Fitting (Item 32, Appendix C)
Adapter, Pipe (Item 1, Appendix C)
Reducer, Tube (Item 61, Appendix C)
