Is hydraulic rotary pump
supplying at least 2500
PSI?
WARNING
Read WARNING
on following page.
TEST OPTIONS
KNOWN INFO
Hydraulic oil level OK.
PTO OK.
POSSIBLE PROBLEMS
k1. DUMP BODY DOES NOT RAISE
Faulty hydraulic rotary pump.
Faulty relief valve.
Faulty pressure reducing valve.
Faulty hoist cylinder.
Faulty M1090/M1094 four
way relief valve.
TM 9-2320-366-34-1
2-1070 Change 1
NO
Faulty hydraulic rotary pump
will cause dump body not to
raise.
REASON FOR QUESTION
Pressure Test or
STE/ICE-R Test #51
2.
YES
Replace hydraulic rotary
pump (para 16-91).