TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 (68) with screws (69) and washers (70 and 71). (12) Attach plate (75) to fan guard (68) using hardware previously removed. (13) Connect electrical leads on fan motor (76). (14) Replace housing kit (if installed) panels and shutter assembly in accordance with Chapter 15. (15) Connect hoses (25, 33, 12, 8, and 16) and secure with clamps (22, 29, 32, 6, 7, and 13). (16) Fill radiator with coolant. (17) Check for leaks. 7-8. RADIATOR REPAIR, CODE B. a. Radiator.  Clean and repair radiator core (81) as follows: (1) Remove radiator in accordance with paragraph 7-7. (2) Remove top tank (58) and bottom tank (59). (3) Inspect tubes.  Clean tubes with radiator core brush, if necessary. (4) Check gaskets (62) for signs of erosion and replace if necessary. (5) Replace top tank (58) and bottom tank (59). (6) Test the radiator for leaks by placing the radiator with all outlet connections sealed in a tank of water.  Apply compressed air to 10 to 15₂psi (0.7 to 1 kg/cm²) at filler opening and observe for leakage, indicated by air bubbles in the water. (7) Mark off any leaks in the radiator assembly. (8) Dry out and clean the radiator thoroughly. (9) Solder the leaks in the radiator with acid core solder. (10) Straighten bent radiator fins. (11) Replace radiator in accordance with paragraph 7-7. 7-9. MOTOR REPLACEMENT, CODE B.  Remove and replace fan motor, referring to Figure 7-3 as follows: a. Removal.  Remove fan motor (76) as described in paragraph 7-7, a., steps (3) to (7). b. Disassembly.  Disassemble fan motor as follows (see figure7-4). (1) Remove key (13). (2) Remove mounting half (1) and gaskets (3 and 6) by removing screws (2 and 5). (3) Remove plugs (7 and 10). (4) Remove fan cover (17) by removing screws (16). (5) Remove fan (26). (6) Remove couplings (8 and 11) and nipples (9 and 12). (7) Remove front bracket (32) (8) Remove bearing cap (28) by removing screws (27). (9) Remove bearing (29) and spring (30). (10) Remove shaft (31). (11) Remove stator (23) and rotor (24) from body assy (25). (12) Remove slinger (18) and bearing (19) by removing screws (20). (13) Remove rear bracket (15) by removing screws (14). c. Inspection. (1) Inspect for burnt or broken insulation. 7-11