Replacing The Burner Block O-Rings; Replacing The Jet - ABB PGC5000 Series Service Instructions Manual

PGC5000
PGC5000 Series Service Instructions

7.5.3 Replacing the burner block o-rings

Refer to Figure 7.7 when performing this procedure.
Perform steps 1 through 4 of "Replacing the Burner Block."
To remove a particular O-Ring, carefully remove the associated connector and then remove the O-Ring.
O-Ring
45051-4-106
O-Ring
45051-5-18
Fig. 7.7. Burner Block Cross Section (showing O-rings)
1. Perform steps 1 through 4 of "Replacing the Burner Block."
2. To remove a particular o-ring, carefully remove the associated connector and then remove the o-ring.
3. Lubricate the new O-Ring with a slight film of silicone grease.
4. Insert the new O-Ring and reinstall the connector.

7.5.4 Replacing the jet

Refer to Figure 7.7 when performing this procedure.
1. Perform steps 1 through 4 of "Replacing the Burner Block."
2. Carefully remove the Adapter.
3. If the Jet came out with the Electrode Nut, carefully remove the Jet from the Electrode Nut.
4. If the Jet did not come out with the Adapter, carefully remove the Jet from the Burner Block by pulling it straight down.
5. Insert the new Jet into the Electrode Nut until it seats fully.
6. Carefully install and tighten the Electrode Nut.
SI/PGC5000-EN, Rev B
O-Ring
45051-4-102
Jet
Adapter
7 Subassembly repair
62