Roberts Gorden CoRayVac CRT-10, Installation, Operation & Service Manual

Page: 51 / 62

SECTION 13: S
ERVICING
I
NSTRUCTIONS
45 of 54
Tubes Make s u re there are no cracks.
Make s u re t u bes are connected and s u spended sec u rely.
See Page 14, Figure 11 through Page 16, Section 6.2.1 .
Make s u re there is no dirt, sagging, bending or distortion.
Clean or replace as req u ired.
Gas Line Check for gas leaks. See Page 37, Figure 26 .
Combustion Chamber
Window Make s u re it is clean and free of cracks or holes.
Clean or replace as req u ired.
Burner Head and Orifice Clear of obstr u ctions (e v en spider w ebs w ill ca u se problems).
Caref u lly remo v e any d u st and debris from the b u rner.
Electrode Replace if there are cracked ceramics, excessi v e carbon resid u e, or erosion
of the electrode.
The electrode gap sho u ld be 1/8” (3 mm).
Thermostat There sho u ld be no exposed w ire or damage to the thermostat.
Suspension Points Make s u re the heater is hanging sec u rely. The chains m u st hang v ertical.
Look for signs of w ear on the chain or ceiling.
See Page 14, Figure 11 .
Protective Grille (optional) The grille m u st be sec u rely attached.
See Page 25, Section 7.5 through Page 25, Section 7.5.3 .
Pump With p u mp operating, check for excessi v e v ibration or noise. Vibration is
u s u ally a sign that the impeller is o u t of balance. T u rn off the system, ins u re
po w er is sh u t off and remo v e the inlet plate. Check the shaft seal and
replace it if w orn or missing.
With the Power off:
Check the inlet and o u tlet of the p u mp for blockage or excessi v e soot and
clean as necessary.
Check boots for cracking or deterioration and replace if necessary.
If a condensate drain is installed, check the condition of the drain and the
non ret
u rn v al v e attached.
Check the condition of the motor anti v ibration mo u nts. Lift the motor from
the rear; look for breaks in the r u bber and replace if necessary.
Check the condition and operation of the press u re s w itch.
Wall Ta g If a w all tag is present, make s u re it is legible and acc u rate. Please contact
Roberts-Gordon E u rope Limited or yo u r ROBERTS GORDO N ® independent
distrib u tor if yo u need a w all tag. See Page 4, Section 2.1 .