5-17 Structure: Attachment 4 Removal and Installation of Arm
Cautions
• Park the machine on a solid and level position. • Be sure to stop the engine before beginning work. • When working cooperatively with others, take great care to follow safety procedures while giving clear signals to each other. • Wear protective devices (safety glasses, safety shoes, etc.) for when working with hammers. • Be sure to inspect the nylon slings and other lifting equipment before beginning work. • Do not stand on or pass under the suspended load (arm).
Items to prepare • • • • • • • • •
Wrench (19 mm) Bar hammer Holding-up bar Nylon sling (that meets the required lifting capacity) Crane (that meets the required lifting capacity) Grease Rags Cleaning fluid Crossties
[1]
Remove and install the bucket. (For details, see "Removal and Installation of Bucket".)
[2]
Remove and install the bucket cylinder. (For details, see "Removal and Installation of Bucket Cylinder".)
[3]
Allow the tip of arm (1) to touch the ground and fix the arm with crane and nylon sling (2).
[4]
Use a 19-mm wrench to remove the lock bolt (1).
2
1
1
494
