Advertisement
To Turn Off Gas To Appliance
1.
Set the thermostat to lowest setting.
2.
Turn off all electric power to the appliance if service is
to be performed.
3.
Push in gas control knob slightly and turn clockwise
to "OFF." DO NOT FORCE.
4.
Replace jacket panel.
Before seasonal start-up, have qualified service agency
check boiler for soot and scale in the flues, clean burners
and check gas input rate to maintain high operating
efficiency.
Label all wires prior to disconnection when
!
servicing controls. Wiring errors can cause
improper and dangerous operation.
Verify proper operation after service.
Service agency or owner should make certain system is
filled with water to minimum pressure and open air vents,
if used, to expel any air that may have accumulated in the
system. Check the entire piping system and, if any leaks
appear, have them repaired.
Figure 2 - Circulator
Many circulators like the one pictured in Figure 2 (above)
require periodic servicing. Motor usually has openings at
each end to lubricate bearings.
LIGHTING INSTRUCTIONS
GENERAL INSTRUCTIONS
CAUTION
Put about one half teaspoon of SAE 20 or 30 non-detergent
motor oil in each opening twice a year.
!
Do Not Over Oil!!
Many circulators have oil opening for shaft bearing. This
should be oiled at same time for quiet operation. Follow
manufacturer's instructions for oiling shaft bearing.
Venting system should be inspected at start of each heating
season. Check vent pipe from boiler to chimney for signs of
deterioration by rust or sagging joints. Repair if necessary.
Remove vent pipe at base of chimney or flue and using a
mirror, check vent for obstruction and make certain vent is
in good working order.
Figure 3 - Boiler Flue Gas Passageways
FLUE
COLLECTOR
VENTER
ASSEMBLY
BURNERS
ORIFICES
4
CAUTION
A1795
HOLD DOWN
BOLT
GAS VALVE
Advertisement
