COVER 7B0205 - Caterpillar

1. Remove three bolts and lockwashers (1).2. Remove two bolts and lockwashers (not shown). Remove guard assembly (2). 3. Disconnect two tube assemblies (3) from the cylinder assemblies.4. Remove three nuts, lockwashers, washers and bolts (4). 5. Remove six bolts and lockwashers (5). Remove guard assembly (6). Remove the plugs to prevent a vacuum. 6. Remove two plugs (8). Remove ten bolts and lockwashers (7). Remove two cylinder assemblies (9). 7. Remove two bolts and lockwashers. Install two 1/2"-13 NC forged eyebolts (10).8. Fasten a hoist to the swing actuator. Remove swing actuator (11). Weight is 185 lb. (84 kg).Install Swing Actuator
Boom and boom cylinder were removed for better photo illustration. 1. Remove two cover bolts and washers. Install two 1/2"-13 NC forged eyebolts (1).2. Fasten a hoist to the swing actuator. Weight is 185 lb. (84 kg). If rack assembly (3) was moved after removal of swing actuator, see Specifications for correct alignment before installation.3. Put swing actuator (2) in position. Remove the hoist and the eyebolts. Install the two cover bolts. Tighten the bolts to a torque of 100 11 lb.ft. (135 15 N m). 4. Put two cylinder assemblies (4) in position on the swing actuator.5. Install the ten lockwashers and bolts that hold the cylinder assemblies in position. Tighten the bolts to a torque of 175 20 lb.ft. (240 25 N m). Install the plugs in the cylinder assemblies. 6. Put guard assembly (5) in position. Install the six lockwashers and bolts that hold the guard in position. 7. Connect two tube assemblies (6). Install three bolts, lockwashers, washers and nuts (7). Tighten the bolts to a torque of 400 lb.ft. (540 N m). 8. Put guard assembly (8) in position. Install the three bolts and washers on top. Tighten the bolts to a torque of 100 11 lb.ft. (135 15 N m).9. Install the two lockwashers and bolts beneath the cover. Tighten the bolts to a torque of 175 20 lb.ft. (240 25 N m).10. Check the level of the hydraulic tank before operation. See LUBRICATION AND MAINTENANCE GUIDE for correct level.Disassemble Swing Actuator
start by:a) remove swing actuator 1. Remove O-ring seal (1) from the cylinder assembly. 2. Remove fitting (3). Remove the O-ring seal from the fitting.3. Remove plug (4). Remove the O-ring from the plug.4. Remove relief valve (2).5. Use Steps 1 through 4 for the other cylinder assembly. 6. Remove tube assembly (5). Remove breather (6).7. Remove six bolts and lockwashers (7). 8. Install two 3/8"-16 NC forcing bolts (8) and tighten the forcing bolts evenly. Remove cover (9) from the housing. 9. Remove O-ring seal (11) from the cover. Remove bearing (10) if necessary. 10. Remove shims (12). Put identification on shims for correct installation. 11. Remove pinion (13). 12. Use a hoist or two persons. Remove rack assembly (14). Weight is 80 lb. (36 kg). 13. Remove bearing (15) if necessary from housing (16). 14. Turn the housing as shown.