Roberts Gorden CoRayVac CRV-B-6 User Manual
Page 65
SECTION 14: O
PERATION
AND
M
AINTENANCE
59
Gas Line
Check for gas leaks. See Page 44, Figure 27.
Combustion Chamber
Window
Make sure it is clean and free of cracks or holes.
Clean or replace as required.
Blower Scroll, Wheel and
Motor
Compressed air or a vacuum cleaner may be used to clean dust and dirt.
Burner Head and Orifice
Clear of obstructions. (Even spider webs will cause problems).
Carefully remove any dust and debris from the burner.
Electrode
Replace if there are cracked ceramics, excessive carbon residue, or erosion
of the electrode.
The electrode gap should be 1/8" (3 mm).
Thermostat or Sensor
There should be no exposed wire or damage to the thermostat or sensor.
See Page 45, Section 12
.
Suspension Points
Make sure the heater is hanging securely. Look for signs of wear on the chain
or ceiling.
See Page 17, Figure 14
.
Decorative and Protective
Grille (optional)
The grille must be securely attached.
Check that side reflector extensions are installed correctly and secured in
place if necessary. (Decorative grille only.)
See Page 29, Section 8.6.1
through Page 31, Section 8.7.3
Make sure shield is installed correctly and secured in place if necessary.
(Decorative grille only.) See Page 29, Section 8.6.2.
Pump
With pump operating, check for excessive vibration or noise. Vibration is usu-
ally a sign that the impeller is out of balance. Turn off the system, insure
power is shut off and remove the inlet plate. Check the shaft seal and replace
it if worn or missing.
With the Power off:
Check the inlet and outlet of the pump for blockage or excessive soot and
clean as necessary.
Check boots for cracking or deterioration and replace if necessary.
If a condensate trap is installed, check the condition of the trap and the drain
line attached. Note: the condensate trap should be filled with water at the
beginning of each heating season.
Check the condition of the motor mounts. Lift the motor from the rear; look for
breaks in the rubber and replace if necessary.
Check the condition and operation of the pressure switch.
Wall Tag
If wall tag is present, make sure it is legible and accurate. Please contact
Roberts-Gordon LLC or your ROBERTS GORDON
®
independent distributor,
if you need a wall tag. See Page 3, Section 2.1.