TM 5-5420-209-12
Table 4-3. Unit Preventive Maintenance Checks and Services (PMCS) for the Interior Bay cont.
Location
Item
Interval
Item to
Item To Be Inspected
Equipment Is Not
Service/Check
Procedure
Ready/Available If
46
Monthly
Handlerail
Inspect posts for cracks at support base,
Broken welds allowing
Posts and Rope cracks/elongation of bolt slots, broken or
water into bay cavity.
deformed rope ring
Inspect rope for frayed or stretched strands.
Posts and rope missing.
47
Monthly Lift Pockets and Ensure pin functions properly.
Quick Release
Inspect pin for cracks and broken strands on
Pin
retaining wire rope.
Inspect pockets for cracks and broken welds.
48
Monthly Deck Surface
Inspect for punctures, cracks, tears, dents,
Any damage which
holes and broken welds.
allows water into bay
cavity.
Check condition of non-skid coating.
49
Monthly Bilge Plug
Ensure plug(s) are secured with wire rope to
Any plug missing.
ponton.
Inspect rubber seal for cuts, elasticity and dry
rot.
Check handle operation.
NOTE
Receptacle consists of entire
housing (Block) in which
connector is seated.
50
Monthly Connector
Inspect for cracks, broken welds, elongation
Cracks or broken welds
Receptacle
and deformation.
noted. Elongation or
deformation prevents
proper seating of
connector.
NOTE
Proper connector has a
narrow center bar (0.69 inch);
older connectors have thicker
(.500) in center bar.
Loose or missing set screws
will allow water into bay cavity.
51
Monthly Roadway
Ensure connector is correct type.
Incorrect connector type.
Connectors
Inspect connector, eye bracket, set screws,
Any defect which
spring and spring pins for cracks and
prevents proper seating
deformation.
of connector.
52
Monthly Roadway
Inspect for ruptured seams, holes punctures
Any defect allowing
Surface
and cracked welds.
water into bay cavities.
4-24
No.