Corrective maintenance
D/R - LF speaker
Tools
• torque screwdriver
• T30 Torx bit
Repair kit
G03409
KR loudspeaker 21 KS21
×1 ×4 ×6
17945 102157 S247
21" LF speaker - 8 Ω 21" speaker gasket M6×35 Torx
Prerequisite
Grill removed. See Grill (p.59).
Exploded views
For safety reasons, always use the new screws and spare parts provided in the KR.
If no new screws are available, use blue threadlocker.
Tilt the speaker to remove it from the cabinet. Carefully disconnect the cables.
x6
5 N.m
T30
KS21 owner's manual (EN) version 2.1 61