CYLINDER & LINES GP-BOOM 3412788 - Caterpillar

1. Lower the blade to the ground in order to prevent unexpected movements of the machine during removal of the centershift lockbar. Attach lifting slings and a hoist to the two outside locating holes in the centershift lockbar.2. Release the pin of centershift lock (1). Remove the Blade Centershift Cylinder. Refer to the topic, "Remove Blade Centershift Cylinder," in this module. 3. Remove bolts (2) and washers from the right side of the blade lift arm.4. Remove lock (3) and pin (4) that hold the right side blade lift arm to the centershift lockbar. 5. Remove bolts (5) and washers from the left side blade lift arm.6. Remove pin (6) and lock (7) that hold the left side blade lift arm to the centershift lockbar. Remove the centershift lockbar.Install Blade Lift Bar/Centershift Lockbar
1. Attach lifting slings and a hoist to the centershift lockbar. Position the centershift lockbar in the left side blade lift arm. Align the pin holes of the blade lift arm with the pin holes of the centershift lockbar. 2. Install pin (6), lock (7), bolts (5) and washers that hold the blade lift arm to the centershift lockbar. 3. Position the centershift lockbar in the right side blade lift arm. Align the pin holes of the blade lift arm with the pin holes of the centershift lockbar. Install pin (4), lock (3), bolts (2) and washers that hold the blade lift arm to the centershift lockbar.4. Move the blade lift arms enough in order to adjust the position of the centershift lockbar with the centershift lock (1). Install the Blade Centershift Cylinder. Refer to the topic, "Install Blade Centershift Cylinder," in this module. Activate the pin of centershift lock (1).