TM 5-5420-228-24
Symptom-7.1
HEU BRIDGE DOES NOT RETRACT FROM VERTICAL POSITION OR DOES NOT
RETRACT SMOOTHLY.
First Technician (Operator's Station)
Start engine.
Move ball valve to "LAUNCH" position.
Set engine speed at 1800 rpm.
Launch bridge (TM-10).
Shut engine off.
Move ball valve to "TRAVEL" position.
Both Technicians (Launcher)
Remove overhead cylinder armor (page 3-223).
First Technician (Operator's Station)
Start engine.
Move ball valve to "LAUNCH" position.
Set engine speed at 1800 rpm.
Cycle overhead cylinder control lever.
Second Technician (Launcher)
Visually check overhead cylinder hydraulic lines and
fittings for leaks, crimping, or damage.
