Lennox Hearth G8 - Manual (Page 109)

4. Install the new elevation motor with the belt
positioned around the outer lip of the motor hub.
Reinstall the screws and washers that you
removed in Step 3, but do not tighten them yet.
5. Slide the motor to adjust the belt tension for a
maximum of 1 ⁄
8
" (3 mm) deflection with moderate
finger pressure between the motor hub and
antenna pulley. Tighten the screws. Some
readjustment may be necessary if the belt tension
results in excessive vibration.
6. Reinstall the shield that you removed in Step 2.
7. Reconnect the motor cable that you removed in
Step 1.
Maintenance
54-0198 111
Figure 5-29
Elevation Belt
Elevation Belt
Antenna Pulley
Motor Hub