
SE405 Manual Rev. 1.2 P/N:974-9885 Page 9
SE405 Manual Rev. 1.2 P/N:974-9885 Page 9
PREVENTIVE MAINTENANCE
Sure Flame construction heaters are built to withstand the rigours of operating
on construction sites, in mining applications, and in a multitude of other
locations where heaters are used. To maintain the reliable performance
required it is necessary to do a certain amount of regular maintenance.
PERIODIC MAINTENANCE:
Weekly:
Gas Hose
Check for cracks or damaged connectors
Obstruction of Air flow
Clean & remove debris
Monthly
:
Cords & Connectors
Check for cracks, exposed wires & dirt in
electrical connectors. Clean with water and
dry out before connecting power.
Physical Integrity
Check for damage to body, louvers and
inlet screens that may impact combustion
quality.
End of season:
Manifold Pressure
Check for nominal pressure specified in
specification label. Adjust regulator
pressure if necessary.
Fan Blade
Remove dirt buildup. Replace damaged or
unbalanced blades.
Strainer
Inspect and clean if necessary.
Combustion Chamber &
Flame Rod
Remove nose cone and inspect inside for
integrity. Remove accumulated carbon
deposits with a wire brush. Clean flame
rod with solvent or emery cloth. Inspect
insulator for cracks. Check flame rod tip for
1/8” gap to ground. Install nose cone.
Gas leaks
Using soapy water or gas leak detector
check all gas connections for leaks
Air Tubes
Verify that air tubes are not blocked and
that they are securely attached with a 1/8”
gap from the combustion chamber wall.
Wiring &
Drain holes
Check the electrical box for loose or
overheated wires and connectors. Using a
dry cloth or compressed air clean bottom
drain holes if necessary. Check for
integrity of cover seal.