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 52 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)
DURING
AFTER
AFTER
AFTER
AFTER
Location
Item to
Check/Service
Complete
bridge
Hydraulic
piping/fittings/
connections
Hydraulic fluid
leaks
Cross bracing
under the
treadways
Deck plating
Procedure
Check for any binding of parts, namely
the center hinges when the bridge is
retrieved (scissored) onto the launcher.
Inspect for missing, leaking, bent, or
damaged items.
Inspect for any leaks at hoses, piping,
fittings, quick disconnects, and bridge
cylinder.
Check the cross brace angles for correct
type, i.e., American Standard or
structural type (having a curved radius
of material along the apex of the angle).
Inspect for any cracks or separation
Inspect for any unusual wear, cracking,
or damage.
Not Mission
Capable if:
Bridge does not
fully close into its
travel position on
the launcher, or if
the bridge does not
lock into its folded
travel position.
Any class III leaks.
Any class III leaks.
Two or more angles
missing, not of
structural design, or
are broken. If
cracks exist in these
members, the
cracks, regardless
of length, should be
monitored (if panel
or section leans or
sags, stop operation
and replace panel or
section).
One or more
missing for wheeled
vehicles; three or
more missing for
tracked vehicles.
2-8.4 Change 2
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