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
·
Perform launch and retrieve
YES
NO
procedures (TM-10).
Change 3
2-68.5
