dormakaba 8900 JT/JTH Installation Instructions
08280161
09-2019
8900 Surface Applied Closers
5
Main arm
2.3 Securing main arm to closer
Fig.4
2.3.1 Preload arm by placing wrench on
bottom pinion.
RH
Main arm
Pinion
Pinion
screw
C
PINION
45°
RH
RH
RH
Hinge
L
2.3.2 Rotate wrench 45° AWAY FROM hinge
edge of door.
2.3.3 With main arm parallel to door,
place main arm onto top pinion.
2.3.4 Secure arm to closer with pinion screw.
View from top of door
View from top of door
View from top of door
Pinion
45°