dormakaba RTS88 Package 31 Installation Instructions
08279291
02-2020
RTS88 Closers
4
Top of door
1.2 Prepare top of door
Fig.2
1.2.1
Prepare top of door according to template.
1.2.2
Assemble shock spring.
1.2.3
Slide assembled shock spring into track so end
with screw faces the 90° and 105° markings on
the track.
1.2.4
Align edge of shock spring assembly to coincide
with 90° or 105° deadstop in closer.
1.2.5
Secure shock spring assembly to track with
button head machine screw and 1/8” hex
wrench.
1.2.6
Insert slide block pin through slide block before
inserting slide block into track.
1.2.7
Fasten track to door with four No. 8 flat head
wood screws.
1.2.8
Slide arm onto spindle as shown, and tighten
the 1/4-20 socket head cap screw securely.
1.2.9
Position door at approximately 45° of opening.
1.2.10 Preload arm to a position where the hole in
arm aligns with slide block pin.
1.2.11 Thread slide block pin into arm wiht 3/16” hex
wrench.
1.2.12 TIGHTEN SECURELY!
Header
Button
head
machine
screw
Closer
Cover plate
Slide block pin
(not shown)
Slide block
No. 8 flat head
wood screws
Arm
1/4-20
socket head
cap screw
Shock spring
Track
Applied stop
Side
jamb
90
105
Shock spring
Track
90° shock spring
setting shown
