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 45 of 298
TM 5-5420-203-14
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No.
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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
Location
Item to
Check/Service
Attaching
hardware,
nuts/bolts
washer used to
secure the
braces, hold the
treadways and
hydraulic
components
together
Top center
connector pins
(AVLB 60 &
70)
Top & bottom
(end to center
panels)
connector pins
(AVLB 60)
Center hinges
(bottom chord)
with hinge pin
& retainer clip
Main alum.
angles along
both top &
bottom chords
Procedure
Inspect for missing, loose, or broken
items (include any retainer clips).
Check to ensure that these pins are
available, but not necessarily installed
(Bridges are designed to be crossed
without these pins in place).
Inspect for the presence of pins and
retainer clips.
Inspect for completeness and any
cracking or damage of the hinge.
Inspect leading edges of angle flanges for
any cracks and gouging or nicks.
Not Mission
Capable if:
One or more
attaching items
missing from any
brace or cross
member that
interconnect the
two treadways
Any one pin or
retainer clip
missing.
Any one hinge
missing, cracked
(regardless of
length), damaged.
Any missing
hinge
pins/retainer
clips.
Any one angle
that shows a
crack (regardless
of length) or has
a deep (1/4 in. or
greater) gouge or
nick.
Change 2 2-5
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