(7) Remove the two bearings in the lower case with a suitable puller or press, only if the
bearings need replacing.
Remove/Install Relief Valve.
Remove retainer clip and seal (fig. 2-52) from bottom of lower case.
Figure 2-52. Remove/Install Lower Case Seal.
Cleaning and Inspection of Burner Blower Drive Motor.
Clean all parts in dry cleaning solution.
Inspect needle bearings. Replace bearings if scored.
(3) Inspect motor gears and plate (fig. 2-48 and 2-49). Replace motor if these parts are
gouged or otherwise defective.