Yale Veracitor GCC040VX Operating Manual page 140

Maintenance
6. Check that the lift chains are correctly lubricated. Use SAE
30 engine oil to lubricate the lift chains.
7. Inspect the lift chains for cracks or broken links and worn
or turned pins. Lift chains must be replaced as a set. See
Figure 22.
8. Inspect the chain anchors and pins for cracks and damage.
9. Make sure the lift chains are adjusted so that they have
equal tension. Adjustments or replacement of the lift
chains must be done by authorized personnel.
138
1. WORN PIN
2. CRACKS
3. EDGE WEAR
4. HOLE WEAR
Figure 22. Lift Chain Check
5. LOOSE LEAVES
6. DAMAGED PIN
7. CORROSION