TM 5-5420-228-24
DETAILED TROUBLESHOOTING PROCEDURE
LAUNCHER OPERATION HYDRAULICS
(Continued)
Symptom-3.1
5
Check bridge piping, hydraulic lines and fittings
for leaks or damage.
First Technician (Operator's Station)
Start engine.
Move ball valve to "LAUNCH" position.
Set engine speed at 1800 rpm.
Cycle scissor cylinder control lever into retrieve
and launch positions.
Second Technician (Bridge)
Visually check bridge piping, hydraulic lines
and fittings for leaks, crimping or other
damage.
Are bridge piping or hydraulic lines and fittings
leaking or damaged?
6
Replace defective hydraulic lines
NO
YES
or fittings (TM 5-5420-203-14).
2-80.4
Change 3