9
Level COntrols - IOM 313 313_IOM_RevAb_1112
313 OVERFLOW TRAP PARTS/ OVERHAUL
(REFER TO DRAWING 03130611101)
Damaged or worn parts can decrease performance and shorten the life of the overow trap.
A damaged float ball can result in the inadequate removal of condensate and overow.
A damaged or worn end cover gasket or inner valve body gasket can cause external leakage
resulting in damage to surrounding equipment and the loss of the steam blanket from the tank.
A damaged float lever can result in the inadequate removal of condensate and overow or the loss
of the steam blanket from the tank.
A damaged or worn pilot subassembly can result in the inadequate removal of condensate and
overow or the loss of the steam blanket from the tank.
A damaged or worn piston can result in the inadequate removal of condensate and overow or the
loss of the steam blanket from the tank and can also cause damage to the valve body.
A damaged or worn inner valve body can result in the inadequate removal of condensate and
overow or the loss of the steam blanket from the tank and can also cause damage to the piston
disc.
A damaged or worn stem guide can result in the inadequate removal of condensate and overow
or the loss of the steam blanket from the tank and can also cause damage to the pilot assembly.
A damaged or worn clevis, clevis pin, or fulcrum link can result in the inadequate removal of
condensate and overow or the loss of the steam blanket from the tank.
Three dierent parts kits are available. The inspection kit allows for the overow trap to opened
so its internal parts may be inspected. The oat ball kit allows for the oat ball to be replaced.
The internal vba kit allows for the entire internal valve body assembly, minus the oat ball, to be
replaced. The internal vba kit is preset at the factory to provide the correct water level in the oat
chamber. Individual parts are also available. Please provide serial number to get the correct kit
or individual part numbers.
(16 pages)
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