Rohm DURO-A RC, Перевод оригинального руководства по эксплуатации

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7 | Maintenance
44 / 48 DURO-A RC
When replacing the original screws, the strength class specified by the manu-
facturer is to be observed. In the case of mounting screws for clamping
devices, clamping inserts, top jaws, rigid stops, pre-clamped covers, equal-
ising weights and comparable elements, strength class 12.9 is always to be
used.
7.3.5 Inspection of the Power Chuck
Warranty by Service department of RÖHM GmbH
If the annual inspection of the power chuck is carried out by the Service
department of RÖHM GmbH, the warranty is extended by up to 3 years.
If the inspection is not carried out by the Service department of RÖHM
GmbH, the extended warranty lapses.
For inspection, the power chuck must be completely dismantled, cleaned and
re-assembled. Worn or damaged components must be replaced during the in-
spection.
Disassembly and dismantling of the power chuck
1. Move piston of the power chuck into front position.
2. Remove jaws (1-3) from the guides ( Replacing Jaws [
}
36] ).
3. Screw the crane lug into the power chuck.
4. Correctly attach the load-bearing equipment to the crane lug.
5. Unscrew the threaded ring of the power chuck from the draw tube with
the assembly tool provided.
6. Undo the three chuck holding screws.
7. Turn the power chuck over with a crane and set down at the cleaning
area.
8. Unscrew crane lug.
9. Undo holding screws on the flange.
10. Remove flange from behind.
11. Remove the threaded ring and the stop disk out of the power chuck from
the rear of the chuck. Observe the bolt, as it can fall out of the power
chuck due to the spring force.