TM 10-3930-664-24 B.   CLEANING Clean axle case, intermediate cover, and differential lock components in accordance with paragraph 1-24. C.   INSPECTION Inspect  axle  case,  intermediate  cover,  and differential lock components in accordance with paragraph 1-24. D.   INSTALLATION 1.     Install   new O-rings (11, 12) into intermediate cover (1). 2.     Install   new   O-rings   (8,   9,   10)   onto   cylinder   (5). Assemble spring (6), piston (7), and cylinder. 3.     Apply   loctite   to   threads   on   cylinder   (5)   body   and install  into  intermediate  cover  (1).    When  installed, front of cylinder shall be 1.63 to 1.65 in.   (41.5 to 42 mm) from mounting surface of intermediate cover. 4.     Install ring nut (4) onto cylinder (5). 5.     Apply loctite to threads of nut (2).   Install differential lock lever (3) and change lever using nut. FOLLOW-ON MAINTENANCE: None END OF TASK 4-78