30
Figure 20
CAUTION: Do not remove blower wheel from motor shaft during periodic cleaning.
Should removal of the blower wheel be necessary for cleaning or replacement of it or the motor, the blower wheel must be
positioned correctly on the motor shaft (Figure 21).
Figure 21
D. GAS PRESSURE SWITCHES
1. The gas pressure switches should never require maintenance. If nuisance problems persist, the switches can be
function temporarily jumpered out to bypass the switches function. If the burner functions correctly then the switch is
malfunctioning.
WARNING: If a jumper is used to check the switch it must be removed or an unsafe condition can occur resulting in
property damage, personal injury or death.
Blower
Wheel
To Next Page
Loading...
