k1. DUMP BODY DOES NOT RAISE (CONT)
KNOWN INFO
TEST OPTIONS
NO
Hydraulic oil level OK.
PTO OK.
Hydraulic rotary pump OK.
Relief valve OK.
REASON FOR QUESTION
POSSIBLE PROBLEMS
CAUTION
Read CAUTION
on following page.
Faulty M1090/M1094 four
way relief valve will cause
dump body not to raise.
Faulty pressure reducing valve.
Faulty M1090/M1094 four
way relief valve.
Faulty hoist cylinder.
Is pressure at port A of
valve manifold with in
2375-2625 PSI of
pressure read at port P?
TM 9-2320-366-34-1
2-1072.2 Change 1
Pressure Test or
STE/ICE-R Test #51
4.
YES
Replace or repair M1090/M1094
four way relief valve (para 17-3).
Replace dump body
hoist cylinder (para 17-4).
