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dormakaba 7400 DS/DST/SDS/SDST Installation Instructions

08279441

01-2021

7400 Surface Applied Closers

5

Soffit

2.3.1  Secure spacer block and 

soffit plate to frame.

2.3.2  Use included fasteners.

Standard with spacer block

With blade stop (BSHD)

With heavy duty narrow 

frame bracket (standard with 

SDS/SDST) (NFHD)

2.3.1  Secure blade stop, spacer block, 

and soffit plate to frame.

2.3.2  Use included fasteners.
2.3.3  Install spacer block using 1/2” 

height.

NOTE:  If frame width is 4-1/2” or less, 
NFHD bracket should be used.

2.3.1  Secure NFHD bracket and soffit 

plate to frame.

2.3.2  Use included fasteners.

Spacer block

Soffit 

plate

Spacer block

Soffit 

plate

Blade stop

Soffit 

plate

NFHD

Spacer block

Drill same as soffit plate

Face of stop of BSHD

2.3  Secure soffit plate to frame: 

spacer block, blade stop, or narrow frame bracket

Fig.5 

1/8” 1/2”

5/8” 
stop

Summary of Contents for 7400 DS

Page 1: ...7400 DS DST SDS SDST Door saver and spring door saver arms with thumb turn and key turn hold open Installation instructions 08279441 01 2021 EN ...

Page 2: ... Closer system 3 2 Instructions parallel mount 4 2 1 Installing optional drop plate and surface closer 4 2 2 Secure door saver arms DS DST or SDS SDST 4 2 3 Secure soffit plate to frame spacer block blade stop or narrow frame bracket 5 2 4 Securing main arm to closer 6 2 5 Adjust hold open DST DSK units only 6 3 Adjustments 7 3 1 Adjust closing speeds sweep latch backcheck delayed action 7 3 2 Adj...

Page 3: ... 32 drill bit 1 4 20 tap 3 16 flat head screwdriver Wood 3 8 and 5 32 bit 1 4 1 8 5mm hex key 1 2 box wrench 10 box wrench 1 2 Tools recommended Table 1 1 3 Handing the door Fig 1 Hinge Hinge Interior side of door Left hand door LH Right hand door RH Exterior side of door Hold open range is from 85 to 110 with optional hold open kit Know the swing of the door which is being installed prior to inst...

Page 4: ...2 2 Secure door saver arms DS DST or SDS SDST Fig 3 Fig 4 2 1 1 Reference templates 08279442 08279443 2 1 2 Secure optional drop plate and or closer body to door NOTE Ensure pinion is oriented away from hinge NOTE NFHD Do not drill hole in frame for spacer block Pinion LH RH 8 L C L C DP74 5 32 5 32 LH RH DS DST units only LH RH Bumper 2 2 1 Secure the bumper 2 2 1 Secure spring door saver SDS mec...

Page 5: ...re blade stop spacer block and soffit plate to frame 2 3 2 Use included fasteners 2 3 3 Install spacer block using 1 2 height NOTE If frame width is 4 1 2 or less NFHD bracket should be used 2 3 1 Secure NFHD bracket and soffit plate to frame 2 3 2 Use included fasteners Spacer block Soffit plate Spacer block Soffit plate Blade stop Soffit plate NFHD Spacer block Drill same as soffit plate Face of...

Page 6: ...curing main arm to closer Fig 6 2 4 1 Rotate pinion 45 to pre load 2 4 2 Attach arm PARALLEL to door LH 45 45 L C C L RH 2 5 Adjust hold open DST DSK units only Fig 7 2 5 1 Engage hold open Open door until mechanism locks onto ball on plate 2 5 2 Tighten thumb turn or key turn until desired hold open force is met Key turn Thumb turn Ball ...

Page 7: ...ose in 3 to 6 seconds from 90º Maximum opening angle is 110º Do not close valves completely 3 1 Adjust closing speeds sweep latch backcheck delayed action Check delayed action DEL function if supplied 7414 meets 5lb interior barrier free requirements If necessary adjust closer spring and test pull forces until proper forces are obtained Ball bearing hinges and pivots should always be used Increase...

Page 8: ...Surface Applied Closers 8 Adjust spring force Secure covers 3 2 Adjust spring force Fig 9 Parallel mount Closer size Max door weight lbs Door width Full turns Interior Exterior 7414 3 100 2 6 0 4 125 3 2 6 8 5 150 3 6 3 16 6 200 4 3 6 24 4 Install covers Fig 10 13 6 COV FC FCSL BC ...

Page 9: ...www dormakaba us dormakaba DORMA USA Inc T 800 523 8483 ...

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