5
3.3 Special tools
RT19789 TS120 Assembly Key Disassembly of sprinkler 
head and pipe axle
RT15745 TS120 SW 10 Socket Wrench  
DIN 3125
Changing driving nozzle
RT17623 TS120 Flushing Equipment Flushing pipes
RT17839 Retaining Ring Removal 
Hook
Removing retaining ring
RT17843 TS120 Valve Lifter Changing valve insert
RT17844 Retaining Ring Pliers Installation of retaining 
ring
ZB98291 TS120 Expanding  
Screwdriver
Screw / unscrew ange
RB17698 TS120 Flange for Guide 
Housing
Plugging the guide 
housing 
RT83226 TS120 Assembly Key Disassembly of sprinkler 
head and pipe axle
RT17845 TS120 Valve Lifter Changing valve insert
ZB98289 TORX-key  T20 For screws at the com-
partment lid
ZB98297 TORX-key T25 For screws at the housing 
– guide housing