Página 348 - BURNDY

Versión de HTML Básico

BURNDY
®
Grounding
BURNDYWeld
®
Exothermic
US: 1-800-346-4175
www.burndy.com
Canada: 1-800-387-6487
Blue highlighted items are industry standard and most frequently ordered.
E-95
PROBLEM
PROBABLE CAUSE
CORRECTION TO MAKE
Insufficient metal to
Worn mold resulting in
Replace mold. If only worn around conductor opening,
make weld.
leaking weld metal.
use duct seal around conductor. Do not get duct seal
into mold cavity.
Wrong size cartridge for mold.
Check ID plate for mold and compare with number
on bottom of cartridge.
Too much spillage when
Carefully open lid while holding over crucible and dump.
dumping powder.
Wrong mold for conductor
Replace with correct mold. In some applications, shim
being used.
stock or adapter sleeves can be used to enlarge cable
to fit mold.
Mold does not close tightly
Handle clamps not properly adjusted. Remove cotter pin between the handles of the mold and
causing weld metal to leak out.
adjust handle tension by backing out the eye bolt.
Dirt or slag stuck in parting
Clean mold thoroughly between connections.
line of mold.
Bent or out-of-round cable.
Straighten or cut out bad section of cable.
Handle clamps will not lock
Handle clamps not properly adjusted. Remove cotter pin between the handles of the mold and
closed.
adjust handle tension by backing out the eye bolt.
Excessively high weld, bubbly or
Moisture in mold.
Pre-heat mold to above 220° F with a propane torch,
gassy appearance, poor weld.
or ignite a sacrificial shot in mold with pieces of
scrap conductor in it. If it is a horizontally split mold,
shoot 3/4 of the recommended cartridge to make sure
you do not lock up mold.
Oil, grease, moisture or foreign
Pre-heat conductors with propane torch then use a clean
material on conductors.
wire brush on conductor to remove any residue left on
conductors. If welding to cast iron or steel surface,
weld area must be cleaned down to bright metal.
Duct seal in weld cavity.
Take special precautions to keep duct seal out of weld cavity.
Weld powder has gotten wet.
Replace with fresh, dry weld powder.
Weld metal blows out top of mold.
Mold worn or chipped around disc
Replace mold.
seal allowing powder to leak into
mold cavity.
Forgot to use steel disc or did not
Make sure disc is seated at bottom of crucible
seat it properly at bottom of crucible. before pouring the powder into crucible.
TROUBLE SHOOTING TIPS