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DETAILED TROUBLESHOOTING PROCEDURE LAUNCHER OPERATION - HYDRAULICS - Continued
DETAILED TROUBLESHOOTING PROCEDURE LAUNCHER OPERATION - HYDRAULICS - Continued

Launcher Hydraulics System M48A5/M60A1 Tank Chassis, Transporting: For Bridge, Armored-Vehicle-Launched; Scissoring Type, Class 60 Page Navigation
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TM 5-5420-228-24
DETAILED TROUBLESHOOTING PROCEDURE
LAUNCHER OPERATION ­ HYDRAULICS
Symptom-1.1
(Continued)
FROM STEP 6
10
Check that hold down cylinder does release.
Second Technician (Operator's Station)
· Move ball valve to "TRAVEL" position.
· Shut engine off.
· Cycle bridge launching control levers.
First Technician (Overhead Cylinder)
· Remove pressure gage or STE/ICE from
counterbalance valve T2 and install gage plug.
Second Technician (Operator's Station)
· Start engine.
· Move ball valve to "LAUNCH" position.
· Set engine speed at 1800 rpm.
· Raise overhead cylinder control lever
momentarily.
First Technician (Top Deck)
· Visually check that holddown cylinder does
release.
Does holddown cylinder release?
11
·
System is operational.
·
Install overhead cylinder armor
(page 3-224).
·
Perform launch and retrieve
YES
NO
procedures (TM-10).
Change 3
2-68.5






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