BG 25 / 2011 / 2254_BG25_en_0000498763_V01
To loosen the track
B0000725.wmf
Remove cover plate.
Unscrew the safety valve (1) by approx. 3 revolutions (SW 41) until excessive grease
escapes at the spot identified with (4).
Injury hazard by pressurized grease!
Unscrew the safety valve with great care only.
Retighten the safety valve when the proper track tension is obtained.
Check the track tension again after a short travel forward and backward.
Clean the nipple and surrounding free of grease.
Reinstall the cover plate.
Danger of injury due to pretensioned spring element (compressible sili-
cone oil at 1500 to 2000 bar)!
For safety reasons do not open the defective spring elements, but re-
place them entirely.
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