TM-5-5420-203-14

BRIDGE, ARMORED VEHICLE LAUNCHED, SCISSORING TYPE CLASS 60 & CLASS 70 ALUMINUM, 60 FOOT SPAN; FOR M48A5 AND M60 LAUNCHER

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE

JUNE 1991

TM-5-5420-203-14 - Page 218 of 298

TM 5-5420-203-14

RAMP SECTION DECK EXTRUSION REPLACEMENT (Sheet 1 of 4)

TOOLS/EQUIPMENT:

General Mechanics Tool Box SC5180-90-N26

SUPPLIES:

Lock Washer (item 4, Appendix E) (five required).

Lock Washer (item 2, Appendix E).

EQUIPMENT CONDITIONS:

Hydraulic Cylinder removed (pg 3-23).

Near-Shore Ramp Section removed (pg 3-46).

PERSONNEL:

Two

REMOVAL.

NOTE

●

Some deck extrusions may be secured by curb hardware. It may be necessary to

loosen some curb hardware in order to relieve pressure on the deck extrusions for

removal.

●

Three are 13 different deck extrusions located on the bridge. Careful inspection of the

deck extrusion removed and matching that extrusion with the match in TM 5-5420-203-

24P is necessary to ensure the correct replacement is requested. Near fits, rounding of

mounting holes, redrilling and/or alteration of deck extrusion and mounting girders or

supports is not authorized.

●

Alphabetical

letters on deck extrusions are indicated to identify like and unlike extrusions.

REMOVE RAMP SECTION DECK EXTRUSIONS (5 AND 12).

a.

b.

c.

d.

Remove nut (1), lock washer (2), and

flat washer (3) from screw (4) securing

deck extrusion (5) to ramp section. Discard

lock washer.

Remove flat washer (6) and screw (4)

from deck extrusion (5).

Repeat steps a. and b. for remaining mounting

hardware items (l), (2), (3), (4), and (6).

NOTE

Mechanic will have to access remaining

deck extrusion mounting hardware from

underneath the section.

Remove nut (7), lock washer (8), and flat

washer (9), from screw (10) securing flat

washer (11 ) in position between deck

extrusions (5 and 12). Discard lock washer.

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