TM 10-4930-236-13&Pd.Install wear plate (26) and screws (25).e.Install shims (21, 22), spring (20), spring seat (19), impeller (18), capscrew (16) and washer (17). Insert flat bladescrewdriver through hole in rear of motor (29) to prevent shaft from turning and tighten capscrew (16).f.Using a feeler gage, check the clearance between the impeller(18) and wear plate (26) at a location where theimpeller is closest to the wear plate. This distance shall be .010-.015 inch (.254-.381 mm). Add or remove shims (21, 22)as required to attain this clearance.WARNINGSilicone compound, MIL-S-8660, is toxic to skin, eyes andrespiratory tract. Skin and eye protection required. Good generalventilation is normally adequate.g.Apply silicone compound to O-ring packings (13, 14) and their contacting surfaces.h.Install O-ring packing (14) in housing and O-ring packing (13) on volute (12).i.Install volute (12), washers (11) and nuts (10).j.If removed, apply sealing compound to threads and install bushing (35) and plug (34).k.Refer to paragraph 4-14 and install flange and check valve.5-9
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