Konig & Meyer Ring Lock Bedienungsanleitung Seite 8

SUPPLEMENTAL SHEET
to instruction manual
21476-000-55 Speaker stand »Ring Lock«
COMPLETE VERSION of the relevant instruction summary
MAINTENANCE:
CHECKING, MAINTENANCE, CLEANING
OBJECTIVE
of maintenance is to maintain the smooth mobility, load capacity and safety of the stand over a longer period of time. This is achieved by:
a. careful handling,
b. removing dirt, moisture, corrosion,
c. replacement or repair of defective parts - without any special knowledge
MAINTENANCE STAFF
According to DGUV (German general public accident insurance) standards 315-390 (former BGG/GUV-912 chap. 4 Qualifications)
maintenance personnel should have at least the qualification of an instructed person.
This person can: - detect external damage and wear, - carry out visual and functional checks,
This person can : - recognize safe operating condition and the functionality of the protective devices.
MEASURES
- Perform a visual inspection before and again after use. Is the stand:
- - functional (workable, not worn out, vertical standing, screws and locking bolts are intact),
- - complete (clamping handles, parquet protectors, rivets):
- - as far as visible undamaged (deformed tubes and struts, chipped off clamps, worn out rivets)
- Damaged stands must not be used or only after a qualified repair.
- Loose components (e.g. parquet protectors, clamping screws) can be replaced on site.
- Repairs or the replacement of inseparably connected parts (tubes, clamps, rivets, struts)
- must be carried out by qualified local personnel or at the manufacturer's premises (K&M).
- Care and maintenance work must always be carried out in an unloaded condition
- Possible hazards during maintenance work are crushing when folding the tubes.
- In order to avoid this, it is necessary to handle them with care.
- Use protective gloves if necessary.
- Use a slightly damp cloth and a non-abrasive cleaning agent for cleaning
- Other measures such as periodic lubrication, etc. are not necessary.
FAULT-FINDING (F) and REPAIR (R)
F: STAND WOBBLES OR IS CROOKED
F: R: If the floor is not suitable (unstable, uneven), restore or change location
F: R: If necessary, compensate sloping ground by using leveling leg 21445
F: R: Replace missing or damaged parquet protectors with original parts
F: R: Pull feet apart as far as possible (= horizontal struts *2.3)
F: R: Reduce eccentric load effectively
F: R: Stop negative external influences (wind, vibrations)
F: R: or compensate them by additional measures (rope stretching)
F: EXTENSION TUBE WOBBLES OR RETRACTS UNDER LOAD
F: R: Ensure that the locking bolt *4.5 is engaged
F: R: Tighten the clamping screws *2.4, 4.8
F: SPEAKER TEETERS ON THE EXPANDING MANDREL SYSTEM
F: R: Re-tighten the ring lock *3.3
F: R: Check speaker bushes (max. ø 36 mm)
F: B: For US speaker bushes (ø 38 mm) always use adapter sleeve 21326
F: SPEAKER IS DIFFICULT TO ADJUST
F: R: Lift the speaker up a bit during the adjustment
F: R: Loosen ring lock *3.1 a little more
KÖNIG & MEYER GmbH & Co. KG
Kiesweg 2, 97877 Wertheim, www.k-m.de
03-80-633-00 9/21