TM 5-5420-228-24
STE/ICE Test Procedures - Continued
FROM STEP 4
11
Check tongue dual counterbalance valve for
pressure setting between 650 to 750 psi.
First Technician (Operator's Station)
Start engine.
Move ball valve to "LAUNCH" position.
Set engine speed at 1800 rpm.
Raise tongue cylinder control lever.
Press and hold TEST BUTTON until readout
displays "CAL", then release button.
Release tongue cylinder lever.
Check if pressure indication on VTM display is
between 650 to 750 psi.
Does VTM display indicate between 650 to 750
psi?
12
13
See DETAILED
TROUBLESHOOTING
Replace cartridge (C2) in
tongue dual counterbalance
PROCEDURES, Symptom-
valve (page 3-204.64).
2.1, Step 3.
YES
NO
Change 3
2-58.5