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 49 of 298
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TM 5-5420-203-14
Table 2-2. Preventive Maintenance Checks and Services (PMCS) -
CONT
Interval
(B, D, A,
W, W)
BEFORE
BEFORE
DURING
DURING
Location
Item to
Check/Service
Transverse
braces between
center and end
panels (AVLB
60), or between
sections
(AVLB 70)
Webb girder
plate
Hydraulic fluid
leaks
Noise such as
loud snapping
or popping
when vehicles
are crossing or
when bridge is
being launched
or retrieved
Procedure
Inspect for missing, cracked, bent, or
broken braces.
Inspect for any holes or tears, cracking
or damage.
Check for any leakage of fluid.
Check bottom main angles, hinges, top
and bottom connector areas, splice joint
areas, and web girder plate for any
cracks, or breaks. (Primary structural
members or areas)
Not Mission
Capable if:
Any missing or
broken brace.
Any holes greater
than approxi-
mately three
inches in
diameter, or tears
of length greater
than six inches in
the web girder
plate. Any,
cracking thru the
entire length or
height of web
girder plate.
Any class III
leaks.
Any, cracked
(regardless of
length) or broken
items. If cracks
are found in any
other areas
(secondary
structural
members), note
and monitor.
Change 2 2-8.1
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