Tuttnauer 6671130, Operation & Maintenance Manual

Page: 88 / 143

MAN205-0195042EN Rev. A Aug. 2011
Page 82 of 137 pages
Yearly
1. Perform an overall check of the locking system and
replace worn parts.
2. Check and tighten where necessary the electrical
connections in the electrical board, connection box,
motors, electrical valves, locking device screws and
instrumentation.
3. Clean the electronic control unit, using a vacuum
cleaner.
4. Check the door gasket and replace if damaged.
5. Ensure periodical tests are done on time.
6. Check the steam-traps and replace if worn.
7. Calibrate the control system
8
Validate the applicable cycles
9. Check and verify tight closing of all tightening bolts of
the side guides, as well as top and bottom guides (if
applicable). Replace worn bolts if necessary (on
horizontal or vertical door).
10. Check and verify tight closing of all tightening bolts of
the bronze strips. Replace worn bolts if necessary (on
horizontal or vertical door).
11. Check and verify tight closing of all tightening bolts of
the door guide rail (including the door's wheel). Replace
worn bolts if necessary (on horizontal or vertical door).
12. Check the hydraulic piston including oil level. Check the
hydraulic system for leakage, worn or loose component
(on horizontal or vertical door).
13. Disassemble the door cover, check and tighten all
locking mechanism bolts (on manual or automatic
hinged doors).
14. Check operation of the micros-witches. Verify that they
are placed tightly as required.
15. Check the safety valve. Allow the safety valve to blow
off by letting the pressure increase until it reaches the
working pressure + 10%. This verifies that the safety
valve operates as required and the valve‘s seat is kept
free of mineral deposits.
Note:
Yearly maintenance should always be accomplished
by a trained sterilizer service technician.