TM 10-3930-669-34 WARNING Axle  housing  with  brakes  weighs  85 lbs   (39   kg).      Attach   suitable   lifting device prior to removal or installation to prevent possible injury to personnel. NOTE The  left  and  right  brake  assemblies are    installed    the    same    way.        Left brake assembly is shown. (5) Install three pins (17) in axle housing (18). NOTE The axle is placed in the axle housing only    to    hold    the    brake    disks    in position during assembly. (6) Position axle (26) in axle housing (18). NOTE Perform    Step    (3)    only    if    installing used  brake  disks.    If  installing   new disks proceed to Step (4). (7) Using a micrometer, measure thickness of five  brake  disks  (15).    If  measurement  of any  brake  disk  is  less  then  .177  in.  (4.5 mm), replace all five disks. 11-7