TM 5-5420-280-23&P
0015 00
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Contd)
Table 2. Preventive Maintenance Checks and Services for Bridge (Contd).
ITEM
ITEM TO
EQUIPMENT NOT
INTERVAL
PROCEDURE
NO.
CHECK/SERVICE
READY/AVAILABLE IF:
32
Annual
Right deck surfaces
a. Check deck surface and guides for cracks,
a. Any cracks longer
of roadway (11),
tears, and broken welds. Refer to
than 3 in. (7.6 cm)
or broken welds
guides (14), and
longer than .59 in.
crossforce coupling
(1.5 mm).
bumpers (12)
b. Crossforce couplings
b. Check crossforce couplings for engagement
are not fully
of if damaged.
engaged or are
damaged.
33
Annual
Left deck surfaces
a. Check deck surface and guides for cracks,
a. Any cracks longer
of roadway (1),
tears, and broken welds. Refer to
than 3 in. (7.6 cm)
guides (7), and
or broken welds
crossforce coupling
longer than .59 in.
bumpers (3)
(1.5 mm).
b. Check crossforce couplings for engagement
b. Crossforce couplings
or if damaged.
are not fully
engaged or are
damaged.
34
Annual
Launch beam (16)
Check launch beam for deformation, lifting
and lifting eye (17)
eye for damage, and loose or missing
hardware.
35
Annual
Left and right
a. Check for cracked welds on sides and
bridge quarter
brackets.
sides (2) and
retaining
b. Check for loose or missing cable, pins, or
cables (15)
hardware.
36
Annual
Left and right
a. Check for cracked welds on sides and
bridge quarter
brackets.
sides (2) and
retaining wire
b. Check for loose or missing retaining wire
rope (13)
rope assemblies, pins, or hardware.
c. Check for frayed, missing, or damaged
retaining wire rope assemblies.
37
Annual
Upper coupling lock
Check to ensure lever is fully engaged in lock
Levers are not fully
mechanism levers (4) receptacle on both sides of bridge.
engaged.
Change 1
0015 00-44