ALTERNATOR AS 5525957 - Caterpillar

The following photographs show a 213B Excavator but the procedures are the same. 1. With stick fully extended and bucket opened, lower boom onto tooling (A), then lower bucket to floor.2. Attach hoist to boom cylinder. Remove bolt and pin (1) from rod end of boom cylinder. Retract boom cylinder rod and lower boom cylinder with hoist. If both boom cylinders are to be removed, repeat Step 2 before any hydraulic lines are disconnected. 3. Reattach hoist to boom cylinder and raise cylinder to horizontal position. Remove two hydraulic lines (3) and remove bolt and pin (2). Remove boom cylinder. The weight of the boom cylinder is 160 kg (350 lb).4. Repeat Step 3 if second boom cylinder is to be removed. The following steps are to install the boom cylinder.5. Position boom cylinder with hoist to excavator and install pin and bolt (2). Connect two hydraulic lines (3). Lower cylinder to frame with hoist.6. Repeat Step 5 if second boom cylinder was removed.7. Reattach hoist with single sling and raise boom cylinder into position and extend cylinder rod to align rod with bore in boom. Install pin and bolt (1). Disconnect hoist.8. Repeat Step 7 if second cylinder is to be installed.9. Raise boom and remove tooling (A).Disassemble And Assemble Boom Cylinder
See Bucket Cylinder Disassemble and Assemble for typical example.