TEST OPTIONS
KNOWN INFO
k1. DUMP BODY DOES NOT RAISE (CONT)
Hydraulic oil level OK.
PTO OK.
Hydraulic rotary pump OK.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Faulty relief valve will cause
dump body not to raise.
CAUTION
Read CAUTION
on following page.
Faulty relief valve.
Faulty pressure reducing valve.
Faulty hoist cylinder.
Faulty M1090/M1094 four
way relief valve.
TM 9-2320-366-34-1
2-1072 Change 1
Pressure Test or
STE/ICE-R Test #51
3.
Can relief valve be adjusted
to 2475-2525 PSI?
NO
YES
Clean or replace relief valve
(para 17-3).
