TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2(2)Inspect if insulation is dry, brittle orfaded. Revarnish as necessary.(3)Check bearings for visible signs ofdamage, excessive wear, ordiscoloration. Replace as necessary.d.Repair. Repair of the fan motor consists ofreplacing broken, worn or defectivecomponents found during inspection and dryingor revarnishing of windings if required as aresult of the megger test.e.Reassembly. Reassemble motor as follows(see figure 7-4).(1)Install rear bracket (15) and secure withscrews (14).(2)Install slinger (18) and bearing (19) andsecure with screws (20).(3)Install stator (23) and rotor (24) in bodyassy (25).(4)Install shaft (31) by sliding drive end intobearing (19).(5)Install bearing (29) and spring (30) infront bracket (32).(6)Install bearing cap (28) onto frontbracket (32) and secure with screws (27).(7)Install front bracket by sliding onto shaft(31).(8)Install couplings (8 and 11)and nipples (9 and 12).(9)Install fan (26) onto shaft (31).(10)Install fan cover (17) and secure withscrews (16).(11)Install plugs (7 and 10).(12)Install mounting half (1) and gaskets (3and 6) and secure with screws (2 and 5).(13)Install key (13) by placing on shaft (31).f.Replacement. Replace fan motor (76, figure 7-3) as described in paragraph 7-7, b., steps (8)to (13).7-10. FAN REPLACEMENT, CODE B. Remove andreplace fan, referring to figure 7-3 as follows:a.Removal. Remove fan (77) as described inparagraph 7-7, a., steps (3) to (7).b.Inspection.(1)Inspect fan (77) for bent or deformedblades.(2)Inspect tightness of attaching bolt andwasher for each fan blade.(3)Inspect fan hub bearing for visible signsof damage, wear or deterioration.c.Replacement. Replace fan (77) as describedin paragraph 7-7, b., steps (8) to (12).7-12
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