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 48 of 298
TM 5-5420-203-14
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Table 2-2. Preventive Maintenance Checks and Services (PMCS) -
CONT
Interval
(B, D, A,
W, M)
BEFORE
BEFORE
BEFORE
BEFORE
BEFORE
BEFORE
Location
Item to
Check/Service
Cylinder beam
and cable beam
Scissoring
cylinder &
cylinder seat
brackets
Scissoring/
launching
cables and
equalizer plates
and pins
quadrant and
quadrant struts
Cross pin
socket on the
inboard side of
the ramps (four
places two at
each end of
bridge)
Lateral cross
braces (two
places, one at
each end of
bridge)
Procedure
Inspect for missing, cracked, or broken
beams and bolts.
Inspect for missing, cracked, bent, or
damaged items.
Inspect for any missing items, frayed or
broken cables, and cracked, damaged or
bent plates/pins. Ensure correct
assembly of cables. Also ensure that
cables are mounted correctly around
quadrant.
Inspect for missing, cracked, or broken
items.
Inspect for excessive wear of socket and
pin. Also check for any obstruction that
may prevent the mating of the cross pin
to the cross pin socket.
Inspect for missing, cracked, bent, or
broken braces.
Not Mission
Capable if:
Any missing,
cracked, or broken
beams and bolts.
Missing or
cracked/damaged
cylinder, or any
class III leaks.
Any missing,
frayed, or broken
items.
Any missing,
cracked, or broken
items.
Cross pin socket is
sufficiently worn
(enlarged) to
prevent a proper
seating. (If there is
a problem with the
seating, the bridge
should not be
retrieved or
launched.
Any missing or
broken brace.
2-8 Change 2
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