ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 4-71 CAUTION Support studs must be loosened sequentially, a little at a time, to prevent warping of shaft. (2) Remove support studs (5, Figure 4-48), washers (6) and remainder of rocker arm assembly. (3) Remove push rods (11) and tag push rods as to their location. (4) Cover all openings to prevent entry of foreign material. b.     Adjust. For valve adjustment, refer to  paragraph 4.7.2. c. Repair. (1) Remove rocker arm assembly (refer to step a.) and place on a suitable workbench. NOTE Note locations and tag parts as they are removed. (2) Remove end plugs (1, Figure 4-48), washers (3), rocker arms (9), supports (7) and springs (4) from rocker arm shaft (2).  Discard end plugs. __________ WARNING Cleaning solvent is flammable and toxic to eyes, skin, and respiratory tract. Skin/eye protection required.  Avoid repeated/prolonged contact.  Provide adequate ventilation.  Failure to comply could result in serious injury or death. __________ WARNING Compressed air used for cleaning can create airborne particles that may enter the eyes.  Never exceed 30 psi (207 kPa) of pressure.  Eye protection required.  Failure to comply could result in serious eye damage or blindness. (3) Thoroughly clean all rocker arm assembly components and push rods (11, Figure 4-48) with dry cleaning solvent.  Dry with compressed air. (4) Inspect parts for cracks or obvious signs of damage.  Replace as necessary. (5) Measure springs (4) with spring tester (DO1168AA) by applying force to spring until spring is compressed to a length of 1.81 in. (46 mm).  Spring tension should be 4 - 6 lbs. (18 - 27 N).   Replace any spring not within specifications.