Dormakaba RTS Series User manual

RTS Series Package 26 (8812/Y)
Offset slide arm aluminum door and frame - pivots
Installation instructions
08279241 – 02-2020
| EN |

2RTS88 Closers 02-2020
08279241
dormakaba RTS88 Package 26 (8812/Y) Installation Instructions Table of Contents
Table of contents
1 Installation instructions 3
1.1 Prepare frame and install closer 3
1.2 Prepare top of door 4
2 Adjustments 5
2.1 Adjust closing speeds 5
2.2 Optional 8511 applied stop (or stop by others) 5

dormakaba RTS88 Package 26 (8812/Y) Installation Instructions
08279241 02-2020RTS88 Closers 3
Frame
Closer
. Prepare frame and install closer
1 Installation instructions
Fig.
1.1.1 Prepare header and side jamb according to
template.
1.1.2 Fasten mounting bracket to header with two
10-32 flat head machine screws.
1.1.3 Fasten two 1/4-20 flat head machine screws to
header with lock washers and nuts.
1.1.4 Fasten angle bracket to closer with two hex
head machine screws and flat washers.
1.1.5 Install 2 fillister head machine screws into
mounting tabs on closer; make approximately 3
turns.
1.1.6 Install closer into header by inserting
mounting tabs into mounting bracket.
1.1.7 Raise end of closer with angle bracket onto
the two 1/4-20 screws.
1.1.8 Fasten angle bracket with the two remaining
1/4-20 nuts and lock washers.
1.1.9 Tighten the 2 fillister head machine screws
securely.
1.1.10 Install cover plate by sliding tab into frame.
1.1.11 Fasten opposite end to mounting bracket with
two No. 8-32 flat head machine screws
provided.
90
105
Header
Side
jamb
Mounting
bracket
1/4-20 flat
head machine
screws
Angle bracket
Fillister head
machine
screws
Closer
Cover plate

dormakaba RTS88 Package 26 (8812/Y) Installation Instructions
08279241 02-2020RTS88 Closers
4
Top of door
. Prepare top of door
Fig.
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. 10-32 flat
head machine 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!
90
105
Header
Side
jamb
Button
head
machine
screw
Shock spring
Closer
Cover plate
Track
Slide block pin
(not shown)
Slide block
No. 10-32 flat
head machine
screws
Arm
1/4-20
socket head
cap screw
Shock spring
Track
Applied stop
90° shock spring
setting shown

dormakaba RTS88 Package 26 (8812/Y) Installation Instructions
08279241 02-2020RTS88 Closers 5
Adjustments - closing speeds
8511 applied stop
2 Adjustments
2.1.1 Valve “A” - controls closing speed from
maximum opening angle to 0°.
• Clockwise - decreases closing speed
• Counter-clockwise - increases closing speed
2.1.2 Valve “B” - increased closing speed from
maximum openig angle to 20°.
Counter-clockwise - increases closing speed.
Valve “B”
“A”
“B”
Valve “A”
. Adjust closing speeds
Fig.
. Optional  applied stop (or stop by others)
Fig.
2.1.1 Prepare header according to template above. 2.1.2 Install applied stop as shown in Fig 2. with
three No.10-32 flat head machine screws.
1”
[25]
1”
[25]
1/8”
[3]
2”
[51]
Clearance
Front view
Bottom view
Cutout in stop
For 10-32 machine screws use No.21
drill and tap
One hole in cover plate
Two holes in frame
8511 applied stop
1-1/4”
[32] 7/8”
[22]
14-1/4”
[362]
1/2”
[13] 17-1/2”
[445]
35”
[889]
Side view

www.dormakaba.us
dormakaba
DORMA USA, Inc.
T: 800-523-8483