(4) Replace damaged or burned wire and diode assemblies. e. Assembly.  To assemble the alternator assembly proceed as follows: (1) Assemble  diode  assembly  (27)  to  housing shield  (28)  using   washer   (26)   and   screw (25).    Assem-ble  brushes  (20)  and  springs (21)  in  regulator  (19).    Place  washers  (18) and screws (17) into regulator  (19).    Install gasket (22) over screws (17) and assemble regulator (19) to housing shield (28). (2) Install rectifier (16)  into  housing  shield  (28) and  secure  with  screws  and  washers  (15). Place  collector  ring  (12),  bearing  (11)  clip on  rotor  shaft  (13).    Install  rotor  shaft  (13) into  housing  (28).    Install  stator  (14)  over rotor shaft (13) and into housing (28). (3) Install    bearing    (9)    in    front    housing    (7). Install cover plate (8) over bearing (9) using washers   and   screws.      Insert   cover   plate bearing  and  se-cure  with  clip  (10).    Install front  housing  (7)  over  rotor  shaft  (13)  and secure  the   front   hous-ing   (7)   to   the   rear housing  (28)  using  washers  (6  and  5)  and screw  (4).    Place  the  spacer  on  the  shaft, install key (3), pully and fan and secure with washer (2) and nut (1). 6-36.  Air Filter, Engine Oil Bath.  (See Figure 8-33).  The following  paragraphs  contain  disassembly,  cleaning,  in- spection, repair or replacement, and assembly instructions for the air filter assembly. a. Disassembly. Disassemble the air filter assembly   only   to   the   extent   necessary   to   repair   or replace a defective part or parts. (1) Separate the oil container (1) halves by un- latching the latches.  Remove external seal (2)  and  element  assembly  (3)  from  bottom half  of  oil  container  (1).    Remove  internal seal  (4)  from  bottom  half  of  oil  container (1). (2) Remove    rain    cap    (5)    from    top    half    of container (1) by  loosening  strap  (6).    Strap (6) need not be removed from rain cap (5). b. Cleaning.    Refer  to  paragraph  6-3.a  for  general cleaning instructions. (1) The filter (3) mesh material shall be reversed out  in  clean  diesel  fuel  and  allowed  to  drip dry  for  at  least  thirty  (30)  minutes  before installing. c. Inspection.  Refer to paragraph 6-3.b for general in-spection instructions. d. Repair  or  Replacement.    Refer  to  paragraph  6- 3.c for general repair or replacement instructions. e. Assembly.    To  assemble  the  air  filter  assembly proceed as follows: (1) Attach rain cap (5) to top of oil container (1) using strap (6). (2) Install internal seal (4) into bottom half of oil container  (1).    Put  new  oil  into  bottom  half of oil container (1) and install filter element as-sembly (3). (3) Install external seal (2) on bottom half of oil container (1). CAUTION Care   should   be   taken   when   installing   top   half   of   oil container (1) over seal (2). Install top half of oil container (1) over seal (2) and engage latches. 6-37.    Fuel  Feed  Pump  Assembly  (See  Figure  8-34). The following paragraphs contain disassembly, cleaning, in-spection, repair or replacement and assembly instructions for the fuel feed pump assembly. a. Disassembly.    Disassemble  the  fuel  feed  pump assem-bly   only   to   the   extent   necessary   to   repair   or replace a de-fective part or parts. (1) Unscrew and remove screws and lockwashers  (5)  from  pump  body.    Remove  diaphragm (1) from feed pump base. CAUTION Use  care  in  removing  fuel  filter  (2).    Filter  (2)  can  be damaged if handled without care. (2) Remove  screw  and  gasket  (4)  from  top  of feed  pump.    Remove  the  top  cover,  gasket  (3)  and  fuel filter (2). 6-58