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 97 of 750
2-58.6
Change 3
TM 5-5420-228-24
STE/ICE Test Procedures - Continued
First Technician (Operator's Station)
x
Start engine.
x
Move ball valve to “LAUNCH” position.
x
Set engine speed at 1800 rpm.
x
If performing DETAILED
TROUBLESHOOTING PROCEDURE
Symptom-3.1, raise scissor cylinder control
lever.
x
If performing DETAILED
TROUBLESHOOTING PROCEDURE
Symptom-6.1, depress scissor cylinder control
lever.
x
Press and hold TEST BUTTON until readout
displays "CAL", then release button.
x
Release scissor cylinder control lever.
x
Check if pressure indication on VTM display is
between 3350 to 3450 psi.
Check scissors dual counterbalance valve for
pressure setting between 3350 to 3450 psi.
Does VTM display indicate between 3350 to 3450
psi?
14
FROM STEP 4
x
If performing DETAILED
TROUBLESHOOTING
PROCEDURE Symptom-3.1,
Replace overhead dual
counterbalance valve (page
3-204.5).
x
If performing DETAILED
TROUBLESHOOTING
PROCEDURE Symptom-6.1,
Replace scissors dual
counterbalance valve (page
3-204.32).
x
Replace cartridge (C1) in
scissors dual counterbalance
valve (page 3-204.64).
16
YES
NO
15
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