TM-5-5420-202-10

LAUNCHER, M48A5 TANK CHASSIS

OPERATOR'S MANUAL

DECEMBER 2009

TM-5-5420-202-10 - Page 144 of 535

TM 5-5420-202-10

0018

NOTE

Use care in backing vehicle to prevent excessive bulldozer action of outrigger.

23.Move transmission shift lever (Figure 6, Item 3) to R (Reverse) and back vehicle slowly while checking for

vehicle separation from bridge.

NOTE

• Quick disconnect fittings between launcher and bridge will disconnect automatically when

vehicle is backed away from bridge.

• Perform steps 24 through 32 if vehicle does not come free of bridge.

24.Move transmission shift lever (Figure 6, Item 3) to N (Neutral).

25.On non-HEU vehicles, pull up hydraulic clutch pump lever (Figure 6, Item 5). On vehicles with HEU, move

hydraulic pump ball valve (Figure 6, Item 4) to LAUNCH.

26.Press accelerator pedal (Figure 6, Item 2) until engine is running 1,800 RPM.

27.Pull up accelerator locking lever (Figure 6, Item 6).

NOTE

As a safety measure, ejection cylinder control is interlocked with locking cylinder rod end

line and operates only when locking cylinder control is held in retracting position.

28.Pull up accelerator locking lever (Figure 6, Item 6) and ejection cylinder lever (Figure 6, Item 1 ) at same time

until vehicle is free of bridge.

Figure 6.

Freeing Vehicle of Bridge.

0018-7

LAUNCHING BRIDGE - CONTINUED