TM    9-2330-238-14 Section   VI.    SUSPENSION MAINTENANCE 5-16.   TANDEM SUSPENSION BRACKET    REPLACEMENT This  Task  Covers: a. Removal b. Installation Initial   Setup: Materials/Parts: Tools/Test    Equipment: •  Ten  rivets l   General   mechanic’s tool   kit l  Twelve   Iockwashers •  Field   automotive supplemental no.   1  shop   set References: Personnel Required: Two l  TB  9-2300-247-40 1. 2. 3. 4. 5. 6. 7. Remove    hydraulic lines   from   connection on  bases    of  tandem    axle   (para   4-42). Raise   rear   of   semitrailer slightly and   support with   suitable jackstands. Tires   should ground. Remove six  nuts,   Iockwashers, and   screws    from each end of    axle and bracket assembly and tandem suspension brackets (1) (para 5-6). Remove bogie assembly from   under   semitrailer. Discard Iockwashers. Inspect area   of   tandem suspension bracket (1) and   framerail (2).  If  cracks    in  framerail are  found, refer to instructions in TM 9-2300-247-40 to determine serviceability. Mark  location    of tandem    suspension bracket (1)    in relation    to  framerail (2). Provide   a suitable    support   for  tandem   suspension bracket (1). Remove   six  rivets   (3) and  four  rivets  (4) from  tandem remain    in  contact with suspension bracket   (1) and  framerail    (2) in  accordance instructions in  TB  9-2300-247-40. Remove   tandem suspension bracket    from   framerail. Discard    rivets. with NOTE Prior  to  installation   of tandem   suspension    bracket,   area  of framerail   must  be  repaired   as required.    It maybe necessary    to  use  new  bolts  and  new  locknuts   instead   of  new  rivets to  install  tandem    suspension bracket (TB  9-2300-247-40). 1. Place    tandem suspension bracket (1)   on   a  suitable support and   position on   framerail (2)  as   noted    during removal. TA702088 5-46