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 124 of 750

Change 3

2-74.3/(2-74.4 blank)

First Technician (Operator’s Station)

x

Raise tongue cylinder control lever for five

minutes.

Second Technician (Launcher Tongue)

x

Visually check tongue cylinder for leaks, or

damage. Check outer surface for overheating.

Check tongue cylinder for leaks, damage or

excessive heat.

Is tongue cylinder leaking, damaged or

overheating?

5

TM 5-5420-228-24

DETAILED TROUBLESHOOTING PROCEDURE

LAUNCHER OPERATION – HYDRAULICS

(Continued)

Symptom-2.1

TONGUE

CYLINDER

x

Replace tongue cylinder

(page 3-234).

YES

NO

6

x

Replace tongue dual

counterbalance valve (page

3-204.8).

7