Table 4-3. Unit Preventive Maintenance Checks and Services (PMCS) for the interior Bay cont.
29
30
31
32
33
34
35
36
37
38
Interval
Weekly
Weekly
Weekly
Weekly
Weekly
Weekly
Monthly
Monthly
Monthly
Monthly
Location
Item to
Service/Check
Bridge Latch
Travel Latch
Travel Latch
Receptacle
Bridge Latch
Skin Surface
Foldlock Latch
Hinges and
Pins
Support Links
Lifting Eye
Cable Guide
Item To Be Inspected
Procedure
Inspect brackets, supports and pins for cracks,
broken welds and deformation.
Inspect springs for deformation and stretching.
Inspect brackets, supports and pins for cracks,
broken welds and deformation.
Inspect springs for deformation and stretching.
Inspect brackets, shims and strike catches or
cracks, broken welds, binding and
deformation.
Inspect brackets, supports and pins for cracks,
broken welds and deformation.
Inspect springs for deformation and stretching.
Inspect surface area for punctures, holes and
dents exposing interior ribs.
Inspect seams for cracked/broken welds.
Inspect brackets, supports and pins for cracks,
broken welds and deformation.
Inspect springs for deformation and stretching.
Inspect bow to roadway ponton hinge brackets
and pins for cracks and elongation.
Inspect for broken welds, cracks and
deformation.
Inspect for cracks and elongation of eye.
Inspect for cracks, gouges, jagged protrusions,
erosion or surface area and elongation of eye.
Equipment Is Not
Ready/Available If
Cracks, broken welds
noted or deformation
causes binding.
Springs stretched.
Cracks, broken welds
noted or deformation
causes binding.
Springs stretched.
Broken welds, binding or
deformation prevents
engaging latch noted.
Cracks, broken welds
noted or deformation
causes binding.
Springs stretched.
Any damage which allow
water into bay interior (If
in doubt, perform soap
bubble test).
Cracked/broken welds
noted.
Cracks, broken welds
noted or deformation
causes binding.
Springs stretched.
Any hinge cracked or
elongation allows pin to
move freely.
Broken welds noted.
Any cracks noted or eye
elongation equals 25%
of original
circumference.
Eye cracked, elongated
more than 0.50 at upper
arc or aluminum eroded
to within .050.
TM 5-5420-209-12
Item
No.
4-22