SL11B & S1500 Manual 934-6644 - Page 13
PREVENTIVE MAINTENANCE
Sure Flame Construction Heaters are built to withstand the rigours of
operating on construction sites, for mining applications, and a multitude of
other locations where heaters are used. To maintain the reliable perform-
ance required it is necessary to do a certain amount of regular mainte-
nance.
A VISUAL CHECKS
The following items should be checked for excessive wear or damage:
1) Wheels
2) Cords and Connectors
3) Wiring and Conduit
4) Heater Shell (including heat shield) and Control Box
5) Valve Train
It is recommended that units purchased as spares be
rotated periodically, so that each unit will be placed in
operation at least once every 90 days.
B BURNER
Flame Rod and Insulator - Clean with soap and water or solvent on a
routine basis. Any build up on burner
should also be removed at this time.
Ground Wire - Ensure that the ground wire is secured to
the burner. This is necessary for the
flame detection system to operate.
Spark Plug - Clean with solvent and check spark gap.
C CONTROL BOX
The inside of the control box should be cleaned using a dry cloth or by
blowing compressed air. Do not use any liquid or aerosol spray
cleaners. Also check that all electrical connections are snug and tight.
D MOTOR
The electric motor on the SL11B & S1500 Heaters is fitted with sealed
bearings and no oiling is required. Keep the motor clean by blowing or
wiping off dust or dirt in order to prevent it from over heating.
E FAN
Check for dust or dirt build up on fan blades. Check the tightness of the
set screw and run the heater to check for fan vibration.
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