TM 55-1925-273-10-2
0137 00
Table 1. Preventive Maintenance Checks and Services Including Lubrication (continued)
ITEM INTERVAL MAN-
ITEM TO BE
PROCEDURE
EQUIPMENT
NO.
HOUR
CHECKED OR
NOT READY/
SERVICED
AVAILABLE IF:
WATERTIGHT
DOORS
70
Weekly
0.5
Overall Condition
Inspect for proper installation, and
check for missing and/or defective
fasteners.
71
Weekly
1.5
Gaskets
Check to ensure that the gaskets properly
Watertight integrity
seal. Perform chalk test. Chalk mark the
or operational
knife edge. Wipe gasket clean and close the
capability is
watertight door.
impaired.
Watertight Door
Lubrication
Gasket
Point
Knife
Edge
Dogs
Lubrication
Point
MANHOLES
72
Weekly
0.5
Overall Condition
Inspect for proper installation, and
check for missing and/or defective
fasteners.
73
Weekly
0.5
Gaskets
Check to ensure that the gaskets properly
Watertight integrity
seal.
or operational
capability is
impaired.
Manhole
0137 00-33