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 115 of 750

2-68.6

Change 3

Second Technician (Operator's Station)

x

Move ball valve to “TRAVEL” position.

First Technician (Top Deck)

x

Remove holddown cylinder armor (page 3-

253).

Second Technician (Operator's Station)

x

Move ball valve to “LAUNCH” position.

x

Set engine speed at 1800 rpm.

x

Momentarily raise overhead cylinder control

lever.

First Technician (Top Deck)

x

Visually check holddown cylinder hydraulic

lines for leaks or damage.

Check holddown cylinder hydraulic lines and

fittings for leaks or damage.

Are hydraulic lines leaking or damaged?

12

TM 5-5420-228-24

DETAILED TROUBLESHOOTING PROCEDURE

LAUNCHER OPERATION – HYDRAULICS

(Continued)

Symptom-1.1

x

Identify leaking hydraulic line by

reference designator on line

with diagram (page 3-67).

x

Replace leaking line.

YES

NO

13