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 44 of 298
TM 5-5420-203-14
Table 2-2. Preventive Maintenance Checks and Services (PMCS)
Item
No.
1
2
3
4***
Interval
(B, D, A,
W, M)
BEFORE
BEFORE
BEFORE
BEFORE
Location
Item to
Check/Service
Tie Rod
Assemblies
Deck
Extrusions/
Curbing
Hydraulic
Fluid Leaks
Rivets, either
pin-rivet or hot-
rivet - Button
Head (BH) or
Countersunk
(CSK)
Procedure
Check for missing, loose, or damaged tie
rods, tie rod spacer, tie rod nuts/
washers, and housing. Replace any
missing or damaged parts (tie rod is a
non-structural member).
Inspect for missing, cracked, deformed,
or split decking/curbing. Replace as
necessary (decking and curbing are non-
structural members).
Inspect for any hydraulic fluid leaks
(hydraulic components are non-structural
members)
Inspect for missing, loose, broken heads
One or more CSK
and collars (in the case of pin-rivets),
vertical rivets
also any evidence of corrosion (white
missing or loose in
dust or powder around the hot rivet
the hinge,
head). Also check the ground where a
connector area, or
bridge has been stored for any rivet
spliced area in
heads that may have fallen off due to
ramp. Two or
corrosion. Report this immediately
more BH
through channels. (Rivets/pin-rivets are
horizontal rivets in
considered secondary structural members
top or bottom and
except where they exist in the hinge,
any rivet heads that
connector areas, spliced areas, or at
had fallen off from
locations along the bottom cord where
either the hinge
they connect cross bracing. Rivets in
connector, or
these areas are considered of primary
spliced area of
concern.
AVLB.
Not Mission
Capable if:
One or more deck
plates in a row
missing for wheeled
vehicles; three or
more in a row for
tracked vehicles.
Class III leak
exists.
2-4 Change 2
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