5-10 Upper Swing Body: Counterweight 1 Removal and Installation of Counterweight
Cautions
• • • •
Be sure to stop the engine before beginning work. Be sure to inspect the wire rope and other suspended items before beginning work. Do not stand or pass under the suspended load (counterweight). Thoroughly secure the removed counterweight with the wire ropes and crane so that it does not fall down.
Items to prepare • • • • • • • •
Box wrench (50 mm) Eyebolts (36 mm × 2) Shackles (with the required lifting capacity × 2) Wire rope (with the required breaking load) Crane (that meets the lifting capacity) Crossties Rags Cleaning fluid
[1]
Remove the 2 caps (2) from the top of the counterweight (1).
2
1
[2]
Install 2 36-mm eyebolts (1) in place of the removed caps. • Spray lubricating oil on the eyebolts. • Fully tighten the eyebolts, and then loosen them by a half turn.
1
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