GMC 1976 ZEO 6083 Maintenance Manual page 773

bly.
3. Loosen hex nut at base of spark electrode.
4. Remove spark electrode from burner assem-
INSTALLATION
1 . Carefully install spark electrode into burner
assembly .
IMPORTANT :
The hex nut retaining spark elec-
trode in the burner assembly, should be tight-
ened hand-tight . Do not use wrenches to tighten
this nut.
2 . Install hi tension cable (See figure 13) on spark
electrode.
3. Install access cover on furnace (figure 11).
BURNER ASSEMBLY
REPLACEMENT
REMOVAL
1 . Remove spark electrode. See "Spark Electrode
Removal" earlier in this section.
2. Disconnect gas line at burner assembly (See
figure 14).
3. Remove four screws retaining burner assembly
to heat exchanger (See figure 15).
Figure 14-Disconnecting Gas Line from Burner
Assembly
FURNACE
24G- 1 1
Figure 15-Removing Screws from Burner Assembly
NOTE:
Referring to Figure 15, check which
screws have ground connections attached so
they will be replaced on proper screws .
4. Lift burner assembly away from conbustion
chamber. Then using hose clamp pliers, slide clamp
about 1 " away from burner along tube (See figure
16).
5. Remove burner assembly .
Figure 16-Removing Hose Clamp from Burner
Assembly