17 [5] ASSEMBLY PROCEDURE (5 ) Installation of bucket (5) INSTALLATION OF BUCKET 1) Installation of cord ring • Necessary parts No. Part No. Part name Q'ty 2 426-70-12530 (O-ring) Cord ring 4 1. Place cord ring (O-ring) (2) on lift arm boss (1). 2. After installing the bucket and adjusting the shim, lower cord ring (2) to the groove. 3. Apply LM-G (lithium grease containing molybdenum disulfide) to the inside of dust seal lip (3). 2) Aligning of bucket assembly and hinge pin holes 1. Sling the bucket assembly with a 25-ton crane. Sling: Chain sling of spring hook type (4,000 mm x 2 pieces) 2. Match the pin holes on the right and left bucket hinge pin sides to those on the lift arm side.
3) Selection of shim for bucket hinge pin • Necessary parts No. Part No. Part name Q'ty – 426-70-11330 Shim (t = 1.5) 6 1. Decide the number of the shims so that clearance A between the hinge pin of bucket assembly (4) and the boss of lift arm (1) will be 1.5 mm of less on each side. Precautions Special tools Necessary devices Name Q'ty Name Q'ty Crane (25 ton) 1 Chain sling (4,000 mm x 2 pieces) 1 Other remarks (5 ) No. Part No. Part name Q'ty 2 426-70-12530 (O-ring) Cord ring 4 No. Part No. Part name Q'ty – 426-70-11330 Shim (t = 1.5) 6