TM 10-3930-669-34 3-5. CYLINDER HEAD ASSEMBLY REPLACEMENT (CONT). WARNING Use  care  when  removing  springs.    A compressed    spring    can    act    as    a projectile   when   released   and   could cause severe injury. CAUTION Remove     cylinder     head     slowly     to prevent    damage    to    pushrod    cover tubes. (6)   Remove    cylinder    head    (6),    intermediate    ring (14), two pushrod cover tubes (15), compression springs  (16),  four  preformed  packings  (17),  and two    caps    (18)    from    cylinder    (19).        Discard intermediate ring and preformed packings. 3-38