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 MECHANICAL
Boilers-Continued
defective locks or latches
improper operation
deteriorated or damaged blast deflectors
condition of gasket
n Breechings:
excessive corrosion
cracked welds
loose or broken connections
separated sections
n Overhead Machinery: loose parts or material that may drop on or strike
boiler:
n Foundation: settlement, improper level:
n Piping:
leakage
strain or torsion
excessive corrosion
improper drainage
misalignment
lack of support
inadequate provision for expansion or contraction
excessive vibration
water pockets at valves and connections
loose, deteriorated, strained, inadequate connections
settlement
improper tension or alignment in supports
n Stop and Check Valves:
loose, missing, broken parts
excessive wear or corrosion
leakage
obstructed drain openings
6-7
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