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.

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

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

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

www.dormakaba.us

dormakaba

DORMA USA, Inc.

T: 800-523-8483

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