TM5-6115-593-34 NAVFAC P-8-631-34 TO-35C2-3-463-2 WARNING OVERHEAD OPERATIONS HAVE INHERENT HAZARDS THAT CANNOT BE MECHANICALLY SAFEGUARDED. HARD   HATS   AND   SAFETY   SHOES ARE   REQUIRED.      DO   NOT   STAND UNDER HOISTED LOADS. (9) With  a  hoist,  carefully  lift  radiator  assembly off skid base. b. Replacement. WARNING OVERHEAD OPERATIONS HAVE INHERENT HAZARDS THAT CANNOT BE MECHANICALLY SAFEGUARDED. HARD   HATS   AND   SAFETY   SHOES ARE   REQUIRED.      DO   NOT   STAND UNDER HOISTED LOADS. (1) Using  a  hoist,  carefully  set  radiator  assembly in place on skid base. (2) Attach    both    support    tubes    (41).        Install supports (46), if not previously installed. (3) Attach radiator assembly to the skid base with screws  (47),  washers  (48  and  49)  and  nuts (50). (4) Install fan motor (64) on slide base (65), if not previously installed. (5) Turn  fan  motor  base  adjusting  screw  (62),  so that    fan    motor    moves    toward    center    of generator set. (6) Install   three   belts   (59)   on   sheave   (60)   and pulley (61). (7) Adjust  belt  tension  to  allow  1/2  inch  (13  mm) maximum play for each belt. (8) Install    belt    guard    (58)    with    screws    (55), washers (56), and nuts (57). (9) Connect electrical leads on fan motor (64). (10) Replace  housing  kit  (if  installed)  panels  and shutter  assembly  in  accordance  with  Chapter 15. (11) Connect hoses (27, 25, 33, 16, 8, and 12) and secure with clamps (26, 22, 33, 6, 7, and 13). (12) Fill radiator with coolant. (13) Check for leaks. 7-4.  RADIATOR REPAIR, CODE A. a. Radiator.      Clean   and   repair   radiator   core   as follows: (1) Remove radiator in accordance with paragraph 7-3. (2) Remove top tank (82) and bottom tank (85). (3) Inspect tubes.  Clean tubes with radiator core brush, if necessary. (4) Replace top tank (82) and bottom tank (85). (5) Test   the   radiator   for   leaks   by   placing   the radiator with all outlet connections sealed in a tank of water.  Apply compressed air at 10 to 15  psi  (0.7  to  1  kg/cm²)  at  filler  opening  and observe  for  leakage,  indicated  by  air  bubbles in the water. (6) Mark off any leaks in the radiator assembly. (7) Dry out and clean the radiator thoroughly. (8) Solder the leaks in the radiator with acid core solder. (9) Straighten bent radiator fins. (10) Replace radiator in accordance with paragraph 7-3. 7-5.  MOTOR REPLACEMENT, CODE A. Remove  and  replace  fan  motor,  referring  to  figure  7-1 as follows: a. Removal. (1) Turn off all power.  Disconnect electrical leads on fan motor (64). 7-2