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3940 Dr. Martin Luther King Drive
St. Louis, MO 63113
P/N 00912336 FORM NO. K1225 R09/16 ECO-7-023-16
WARNING
Electrical power supply
MUST BE OFF
before
and during installation and maintenance
.
DISCONNECT
primary power source and
LOCK
OUT.
Installation and maintenance procedure
must be performed by a trained and competent
electrician.
4. MAINTENANCE
Electrical and mechanical inspection of all
components must be performed regularly. It is
recommended that inspection be performed a
minimum of once a year.
• Inspect all contact wire box terminals for
tightness
(Retorque).
Discoloration die to
excessive heat is an indicator of possible
problems and should be thoroughly investigated
and repaired as necessary.
• Check grounding and bonding for correct
installations and secure connections
(Retorque).
WARNING
If any parts of the plug, receptacle or switch appear
to be missing, broken or show signs of damage:
DISCONTINUE USE IMMEDIATELY!
Do not modify these devices in any way
.
Replace with proper replacement part(s)
supplied by Killark before continuing service.
Failure to do so could cause serious or fatal
personal injury and/or equipment damage.
•
Check gaskets for deterioration and replace if
necessary.
•
Clean exterior surfaces making sure
nameplates remain legible.
•
Inspect clamp guide assembly and cable grip
tightness to ensure proper cable gripping.
•
Torque all screws as described in instructions
before reusing device.
•
Inspect housing parts and replace those which
are broken or excessively worn.
•
Check contacts for signs of excessive arcing or
burning and replace if necessary.
•
Check receptacle thread used for plug locking
ring for proper lubrication. Apply Killark “LUBG”
type lubricant or equivalent to thread surfaces
as required to prevent galling between the
receptacle and locking ring threads.
In addition to these required maintenance
procedures, we recommend an Electrical
Preventive Maintenance Program as described
in the National Fire Protection Association
Bulletin NFPA No. 70B.