KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
on following page.
YES
3.
REASON FOR QUESTION
Pressure Test or
STE/ICE-R Test #51
POSSIBLE PROBLEMS
Air/hydraulic power unit oil
level OK.
Air/hydraulic power unit primed.
Hydraulic and air hoses OK.
Air tanks charged.
Hydraulic oil filter OK.
Other hydraulic manifold
functions OK.
Orifice filter OK.
Orifice screw OK.
Cab hydraulic latch OK.
If 2,500-4,000 psi (17,237-
27,580 kPa) is not present,
hydraulic manifold CAB TILT
valve is faulty. If 2,500-4,000
psi (17,237-27,580 kPa) is
present, cab hydraulic cylinder
is faulty.
NO
Faulty hydraulic manifold CAB
TILT valve.
Faulty cab hydraulic cylinder.
Repair hydraulic manifold
CAB TILT valve (para 19-4).
v1. CAB DOES NOT RAISE (CONT)
Replace cab hydraulic
cylinder (para 19-10).
Is 2,500-4,000 psi
(17,237-27,580 kPa)
present at CAB RAISE
output port?
TM 9-2320-365-20-2
2-2116.6 Change 1