Dormakaba RTS88 User manual

RTS Series Package 31
Offset slide arm wood door and aluminum frame -
pivots
Installation instructions
08279291 – 02-2020
| EN |

2RTS88 Closers 02-2020
08279291
dormakaba RTS88 Package 31 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 31 Installation Instructions
08279291 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 side jamb with
three No. 8-32 pan head machine screws.
1.1.3 Fasten header to mounting bracket with two
No. 10-32 flat head machine screws.
1.1.4 Fasten two 1/4-20 flat head machine screws to
header with lock washers and nuts.
1.1.5 Fasten angle bracket to closer with two hex
head machine screws and flat washers.
1.1.6 Install 2 fillister head machine screws into
mounting tabs on closer; make approximately 3
turns.
1.1.7 Install closer into header by inserting
mounting tabs into mounting bracket.
1.1.8 Raise end of closer with angle bracket onto
two 1/4-20 screws.
1.1.9 Fasten angle bracket with the two remaining
1/4-20 lock washers and nuts.
1.1.10 Tighten the two fillister head machine screws
securely.
1.1.11 Install cover plate by sliding tab into frame.
1.1.12 Fasten opposite end to mounting bracket with
two No. 8-32 flat head machine screws.
90
105
Header
Mounting bracket
Angle bracket
Fillister head
machine
screws
Closer
Cover plate
1/4-20 flat
head machine
screws
Side
jamb

dormakaba RTS88 Package 31 Installation Instructions
08279291 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. 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

dormakaba RTS88 Package 31 Installation Instructions
08279291 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” - increases 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

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