TM 9-2320-366-34-1
2-1078
KNOWN INFO
3.
TEST OPTIONS
NO
YES
REASON FOR QUESTION
POSSIBLE PROBLEMS
Three Way Control Valve
Assembly Input Flow Test
Faulty main relief valve.
Faulty two way solenoid
valve.
Is flow rate at three way
(lower control) valve
assembly OK?
Hydraulic oil level OK.
PTO OK.
Hydraulic hoses, tubes,
and fittings OK.
Hydraulic rotary pump OK.
Manual override valve OK.
Input check valve OK.
Faulty main relief valve
will cause three way
control valve assemblies
to not receive full hydraulic
pressure.
Repair three way control valve
assembly (para 16-27).
l1. M1084/M1086 MATERIAL HANDLING CRANE (MHC) HYDRAULIC FUNCTIONS OPERATE SLOWLY
(CONT)
