Cambridge Air Solutions Space Heater S400

!WARNING: Turn the disconnect switch off when performing service or maintenance functions.

Verify motor size and lubrication requirement

Select appropriate grease for lubrication

Lubricate the blower bearing if required

Was the lubrication process completed successfully?

Turn the heater disconnect switch off

Close the manual gas supply shut-off valve

Loosen the union in the gas train

Disconnect the ignition cable from the burner

Remove the flame rod and the igniter

Examine the flame rod ceramic for cracks and replace if necessary

Remove the bonnet screws, valve bonnet, bonnet gasket, core/diaphragm subassembly and body gasket

Lubricate the bonnet gasket and body gasket with Dow Corning® 200 Fluid lubricant or equivalent

Apply RemGrit TFL 50® Dry Lubricant to valve seat, valve body surface, and internal surface of valve bonnet

If not installing a Rebuild Kit, lubricate the following with RemGrit TFL 50® Dry Lubricant

Turn off the heater before servicing the filters

Remove the filters from the filter section

Handle the filters carefully to prevent debris from being dislodged into the heater

Enter the current pressure drop across the filters

Is the pressure drop more than 4 times the initial clean value?

Turn off the electrical power to the valve

Close the upstream manual gas valve

Avoid any type of sparking or ignition

Vent hazardous or combustible fumes to a safe area

Is the voltage to the coil correct?