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 54 of 298
TM 5-5420-203-14
Item
No.
48
49
Table 2-2. Preventive Maintenance Checks and Services (PMCS) - CONT
Interval
(B, D, A,
W, M)
WEEKLY
MONTHLY
Location
Item to
Check/Service
Complete bridge
Complete bridge
Procedure
Check for any damage or missing parts
Inspect for evidence of corrosion along
primary structural members to include
the rivets. Look for white or gray
dusting or powder buildup. Look for
missing rivet heads. If rivet heads are
missing or found laying on the ground
beside a bridge, tap on some more rivet
heads in that area of the bridge to see if
they fall off.
Not Mission
Capable if:
Any missing/
broken panels or
sections or
cracked primary
structural
members e.g.,
hinges, main
angles, connector
areas, spliced
areas, & web
girder plates.
Any cracks
found in
secondary
structural
members are not
considered a
NMC condition,
but should be
monitored for
any propagation.
Stage III or IV
corrosion
conditions; one
or more rivet
heads or collars
missing in area of
hinge, connector,
or splice joint;
and two or more
rivet heads
missing in a row
along either top
or bottom
chords.
2-8.6 Change 2
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