Stahl ST50 - Replacing Two-Fall Bottom Hook Block; Replacing Return Sheave

7 Inspection and maintenance
01.2019 43
ba-o.1.8.0-en-3.1
7.12.2 Assemble new bottom hook block
1. Assemble the new bottom hook block in the reverse sequence to disassembly.
2. Tighten the screws (1) to the prescribed tightening torque, for torque see chapter
"Tightening torque for bolted connections".
7.13 Replacing two-fall bottom hook block
Fig. 51
1. Unscrew chain anchorage.
2. Run chain into new bottom hook block.
3. Refit chain anchorage.
4. Grease moving parts.
5. Run through hook path, check that chain is not twisted.
7.14 Replacing return sheave
Fig. 52