7 Operation
and maintenance
ZIMM Screw Jack
24
Version 1.2
2015-01
7
Operation and maintenance
WARNING
Lifting movements within the hazard zone!
Serious injuries or death.
Leave the hazard zone and secure it.
7.1
Inspection
For problem-free operation, the ZIMM Screw Jack must be inspected
regularly:
•
The first inspection should be no later than after 1 month
•
Further inspections should be performed at least annually
1. Record the inspections, for a template see "Appendix: Inspection
certificate", page 35.
2. If necessary, perform Troubleshooting, see section 7.3, page 31.
If problems cannot be localised and rectified:
Contact ZIMM Maschinenelemente GmbH + Co KG.
7.1.1
Visual check
Switch off the machine and secure it against switching on again.
1. Check the greasing of the spindle, if necessary regrease and revise
the maintenance interval.
2. Check the screws for the attachments and couplings/connecting
shafts and if necessary retighten them.
3. If a safety nut SIFA is fitted: Check wear in accordance with the
Fig. 18 (right hand picture) .
– Make a note of dimension "A" and compare it with the set value.
– Maximum permissible wear: 25% of the screw pitch.
– If electronic monitoring is fitted, this check is not required.
