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 Preventive Maintenance Checks and Services
Table 2-1.
A - Annually
S - Semiannually
Q - Quarterly
D - Daily W - Weekly M - Monthly
Items To Be
Interval
Item
Procedures
Inspected/
No.
D
W
M
Q
S
A
Serviced
DOORS, HATCHES, AND MANHOLES/WINDOWS GROUP - CONT
q
(e) Remove excess lubricant.
Watertight
65
Doors CONT
(7) Test procedure.
(a) Use chalk test procedure for standard
closures with slab-gasket/knife-edge/bevel-
edge seal.
1 Rub chalk on door knife edge.
2 Close and dog closure tightly. The gasket
should seat tightly on mating surface
around entire closure.
3 Open closure and inspect imprint of chalk
on gasket. If chalk line is not
continuous, closure is not watertight and
requires adjustment or repair.
CAUTION
Compression of the gasket should
not exceed 1/8-inch. Excess
compression will damage the
gasket.
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