TM 10-3930-659-34 4-73.  AIR COMPRESSOR ASSEMBLY REPAIR (Con’t). 13. Remove  two  screws  (32)  and  brush  cover  (33) from motor (4). 14 Remove  screw  (34)  and  brush  (35)  from  motor (4). b. ASSEMBLY 1. Install brush (35) on motor (4) with screw (34). 2. Install  brush  cover  (33)  on  motor  (4)  with  two screws (32). 3. Install  two  cams  (27)  and  pistons  (28)  on  shaft (31). 4. Install fan (30) on shaft (31) with band (29). NOTE Both  cylinder  heads  are  assembled  and installed  the  same  way.    One  cylinder head is illustrated. 5. Install   new   gasket   (26),   leaf   plate   (25),   plate (24),    leaf    plate    (23),    new    gasket    (22),    and cylinder   head   (3)    on    cylinder    (17)    with    four screws (21). 6. Install piston rider ring (18) and cylinder  (17)  on motor (4) with two washers (19) and screws (20). 7. Repeat steps 5 and 6 for cylinder head (2). 4-303