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OBXC 05-2010
17
05-2010 Edition
Revision -
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
MODEL
RB
WEIR GATES
TROUBLE SHOOTING
SYMPTOM
CAUSE
SOLUTION
Leakage between weir
gate and concrete wall
Concrete wall does not
meet the required std.
Un-install the weir gate and fix
the wall.
Not enough construction
sealant.
Un-install the weir gate, clean the
wall and apply a new layer of
construction sealant.
Loose anchor bolts.
Tighten anchor bolts.
Incorrect anchor bolts.
Check the „General Arrangement
Drawing‟ and make sure the right
anchor bolts have been installed.
Leakage through the seal
Damaged seal.
Replace seal.
Leakage through the top
seal
Foreign material trapped
between frame and seal.
Remove the foreign material.
Check if there is any damage to
the seal.
Damaged seal.
Replace seal.
Excessive force required
to operate the slide gate
Misaligned stem exten-
sion, stem guide, or floor
stand.
Check and adjust alignment of
stem extension, stem guide or
floor stand.
Dirty stem and/or stem
nut.
Clean and lubricate stem and/or
stem nut.
