TM-5-5420-228-24

LAUNCHER HYDRAULICS SYSTEM M48A5/M60A1 TANK CHASSIS, TRANSPORTING: FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL

AUGUST 1985

  TM-5-5420-228-24 - Page 176 of 750

Change 3
2-100.1
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.


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