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 96 of 750
First Technician (Operator's Station)
x
Start engine.
x
Move ball valve to “LAUNCH” position.
x
Set engine speed at 1800 rpm.
x
Raise tongue cylinder control lever.
x
Press and hold TEST BUTTON until readout
displays "CAL", then release button.
x
Release tongue cylinder lever.
x
Check if pressure indication on VTM display is
between 650 to 750 psi.
Check tongue dual counterbalance valve for
pressure setting between 650 to 750 psi.
Does VTM display indicate between 650 to 750
psi?
11
FROM STEP 4
x
See DETAILED
TROUBLESHOOTING
PROCEDURES, Symptom-
2.1, Step 3.
x
Replace cartridge (C2) in
tongue dual counterbalance
valve (page 3-204.64).
YES
NO
TM 5-5420-228-24
STE/ICE Test Procedures - Continued
Change 3
2-58.5
12
13
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