6.0 Maintenance
6.0
Maintenance
6.1
General Maintenance
Preventive rather than reactive maintenance is recommended. The type and frequency
depends on the product use; the following are recommended.
6.2
Maintenance Schedule
CUSTOMER
QUALIFIED PERSONNEL
DANGER! ELECTRIC SHOCK
. Risk of fatal injury. Only electrically
qualified personnel should attempt these maintenance procedures.
Maintenance
Procedure
Method
Frequency
Daily Weekly Monthly
Bi-
Annually
Annually
Safety
Over-Temperature Safety Circuit
(if fitted)
Set an over-temperature setpoint lower
than the displayed temperature and
check for an over-temperature alarm as
detailed in this manual
Over-Temperature Safety Circuit
(if fitted)
Electrical measurement
Safety Switch Function
(split models only)
Set a safe temperature above ambient,
and open the furnace to see if the heater
light goes out
Safety Switch Function
(split models only)
Electrical measurement
Electrical Safety (external)
Visual check of external cables and plugs
Electrical Safety (internal)
Physically check all connections and clean-
ing of the power plate area
Function
Temperature Calibration
Tested using certified equipment, fre-
quency dependent on the standard
required
Operational Check
Check that all functions are working nor-
mally
Operational Check
Thorough inspection and report incor-
porating a test of all functions
Work Tube Position
Visually check that the tube is central to
the heated zone (horizontally / vertically)
End Plugs / Radiation Shields
Visual check for damage or wear, and cor-
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