58MEC
inducer assembly. See Flushing Collector Box and Drainage System section for details on removing inducer assembly.
Step 5 — Flushing Collector Box and Drainage System
1.Turn off gas and electrical supplies to furnace.
2.Remove main furnace door.
3.Disconnect inducer motor and pressure switch wires or con- nectors.
4.Disconnect pressure switch tubes.
5.Disconnect vent pipe from inducer housing outlet by loosening coupling clamp on inducer outlet.
6.Disconnect drain tube from inducer housing. (See Fig. 10.) NOTE: Ensure the drain tube disconnected from the inducer housing is higher than the collector box opening or water will flow out of tube.
7.Remove inducer housing assembly by removing 4 bolts at- taching assembly to cell panel.
8.Flush inside of collector box with water until discharge from condensate trap is clean and runs freely.
9.Inspect inside area of collector box for any pieces of foreign materials and remove them if present.
!CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in furnace component damage.
DO NOT use wire brush or other sharp object to inspect or dislodge materials in secondary heat exchangers as cutting the secondary heat exchanger protective coating may occur. Flush with water only.
10.Reassemble inducer assembly by reversing items
NOTE: If seal between the inducer housing and the collector box is damaged in any way, it must be repaired. To repair, apply sealant releasing agent such as PAM cooking spray or equivalent (must not contain corn nor canola oil, halogenated hydrocarbons nor aromatic content, to prevent inadequate seal from occurring) to
inducer housing. Apply a small bead of G.E. RTV 162, G.E. RTV 6702, or
11.Refer to furnace wiring diagram and reconnect wires to in- ducer motor and pressure switches or connectors.
12.Reconnect pressure tubes to pressure switches. See diagram on main furnace door for proper location of tubes. Be sure tubes are not kinked. (See Fig. 10.)
13.Turn on gas and electrical supplies to furnace.
14.Check furnace operation through 2 complete heat operating cycles. Check area below inducer housing, vent pipe, and condensate trap to ensure no condensate leaks occur. If leaks are found, correct the problem.
!WARNING
FIRE OR EXPLOSION HAZARD
Failure to follow this warning could result in personal injury, death, or property damage.
Never test for gas leaks with an open flame. Use a commercially available soap solution made specifically for the detection of leaks to check all connections.
RTV
PAM
A93087
Fig. 9 - Combustion-Air Intake Housing
Gasket Repair
15.Check for gas leaks.
16.Replace main furnace door.
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