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 133 of 750

2-80.2

Change 3

TM 5-5420-228-24

DETAILED TROUBLESHOOTING PROCEDURE

LAUNCHER OPERATION – HYDRAULICS

(Continued)

Symptom-3.1

This procedure is to be performed by

two persons. The lead person is referred

to as the first technician and shall direct

the activity of the second person called

the second technician.

NOTE

First Technician (Operator's Station)

•

Return bridge to bridge seat (TM-10).

•

Shut engine off.

•

Move ball valve to “TRAVEL” position.

•

Cycle bridge launching control levers.

Second Technician (Bridge)

•

Check quick disconnects between bridge and

launcher are connected and secure.

Check bridge quick disconnects for proper

operation.

1

NO

YES

•

Replace quick disconnects (TM 5-

5420-203-14).

2

HEU BRIDGE DOES NOT SCISSOR OPEN OR DOES NOT OPEN SMOOTHLY.

Do quick disconnects operate properly?