Dorma 8900 PT User manual

PAGE

INS NO. Rev.

08279731 09/09

1 of 3

(1) (WOOD AND METAL)

QTY

(2)

Insert slide shoe, rubber stop and end blocks

into track and attach track to frame.

RUBBER STOP

SLIDE SHOE

END BLOCK

NOTE: OUTER TWO SCREWS PASS THROUGH END

(METAL)

(WOOD)

QTY

L HINGE

BLOCKS.

END BLOCK

Assemble track and attach to frame.

(PT UNITS ONLY)

(PTH UNITS ONLY)

QTY

(1) ARM TO SLIDE SHOE

stop, hold open mechanism, and end blocks into

and tighten securely. Insert slide shoe, rubber

Attach arm to slide shoe using screw supplied

track and attach track to frame.

IMPORTANT :

END BLOCK

L HINGE

RUBBER STOP

END BLOCK

SLIDE SHOE

L HINGE

NOTE: HOLD OPEN MECHANISM AND SLIDE SHOE MUST

BE INSTALLED WITH ARROWS POINTING AWAY

FROM THE DOOR HINGES. (ARROWS ARE

STAMPED ON SLIDE SHOE & HOLD OPEN

MECHANISM)

HOLD OPEN MECHANISM

M6 HEX KEY

according to appropriate template.

Determine hand of door. Prepare door and frame

(REFERENCE UNIT CARTON FOR ACCESSORIES AND

OPTIONS SUPPLIED)

LISTINGS.

IDENTIFIED IN THE INDIVIDUAL DOOR MANUFACTURER'S

DOORS, UNLESS AN ALTERNATIVE METHOD IS

WOOD OR PLASTIC FACED COMPOSITE TYPE FIRE

OF COMPONENTS TO UNREINFORCED DOORS AND TO

CAUTION: SEX NUTS ARE REQUIRED FOR ATTACHMENT

REVERSE BEVEL

RIGHT HAND DOOR

LEFT HAND DOOR

REVERSE BEVEL

RIGHT HAND LEFT HAND

WOOD DOORS

SN1 (Sex Nuts)

METAL DOORS or

QTY

(4)

QTY

as shown. Arrow on plate to point toward arm

BP89 Plate applications only. Attach plate to door

attachment.

(RH DOOR)

(LH DOOR)

adjustment facing hinges.

Attach closer to door or plate with spring

(LEFT HAND DOOR)

HINGESC

PLATE

METAL DOORS or SN1 (Sex Nuts)

WOOD DOORS

(RIGHT HAND DOOR)

QTY

(4)

QTY

(4)

HINGES

AND ACCESSORY PLATE BP89

8900 PT, PTH

PUSH SIDE TRACK MOUNT (TRACK ON FRAME)

INSPK NO. 08279730 Rev.09/09

www.dorma-usa.com 1-800-523-8483

Install main arm

Place wrench on bottom

pinion.

Rotate pinion 45° TOWARD HINGE edge of door.

45°

pinion screw.

With main arm parallel to door, place main

arm onto top pinion. Fasten securely with

Adjust according to chart.

ADJUSTER

FULL TURNS

OF SPRING

+16

FULL TURNS

OF SPRING

ADJUSTING NUT

ADJUST SPRING TENSION ACCORDING TO THE FOLLOWING CHART.

8916

8956

CLOSER

ULC LABELED UNITS ONLY

TYPE

200

200 6

SIZE

SPRING

DOOR

WEIGHT

150

125

MAX.

NON-BARRIER-FREE OPENINGS -

TYPE

8916

8956

CLOSER

INTERIOR

2'-6"

3'-6"

3'-0"

4'-0"

+16

DOOR WIDTH

SPRING

SIZE

Take an opening force reading from

the pull on the door. If required, adjust the spring tension

to meet the barrier-free requirement. Maximum number of

adjusted to meet barrier-free forces may not have sufficient

power to reliably close and latch the door.

turns counter clockwise=8. Maximum number of turns

clockwise =14. Depending on opening conditions, a door

BARRIER-FREE OPENINGS -

8916 ONLY

ADJUSTER

Adjust spring tension, if required, using a 1/4" wrench.

8956 supplied with size 6 setting.

8916 supplied with size 3 spring setting.

SPRING TENSION

CRITICAL

NOTE:

3'-6" +6 6+

250

LEFT HAND IS A MIRROR IMAGE.

INSTALLATION SHOWN.

NOTE: RIGHT HAND DOOR

PINION SCREW

L HINGE

PINION

6mm HEX KEY

ROTATE

PINION

45°

(1)

QTY

08279731 2 of 3 09/09

INS NO. PAGE Rev.

M2.5 HEX KEY

mechanism in desired

Place the hold open

position and tighten screw.

SNAP VALVE ADJUSTMENT

WRENCH INSIDE COVER

To adjust hold open

force, turn clockwise to

increase force, and

counter clockwise to

To enable hold open,

push the white slide into

the hold open mechanism.

To disable hold open,

(HOLD OPEN UNITS ONLY)

Set hold open.

weaken force.

M2.5 HEX KEY

OFFON

pull the white slide away

from hold open mechanism.

BACKCHECK OR DELAYED ACTION

NOTE: DELAYED ACTION IS AN OPTIONAL FEATURE.

DECREASE

CAUTION: DO NOT REMOVE VALVES.

DELAYED ACTION

BACKCHECK RANGE

SWEEP (SPEED)

INCREASE

(SPEED)

LATCH

RANGE

(TIME)

ACTION

DELAYED

SWEEP & LATCH

POSITIONING VALVE

BACKCHECK (INTENSITY)

RANGE

LATCH

SWEEP

RANGE

DECREASE

INCREASE

NOTE: LEFT HAND INSTALLATION SHOWN. RIGHT

(2)

TAB

QTY

HAND IS A MIRROR IMAGE.

screws provided.

Place cover over closer and fasten securely with

Place tab in cover slot opposite main arm.

08279731 3 of 3 09/09

INS NO. PAGE Rev.

control when extra time is required to pass through

Optional delayed action offers additional closing speed

the door. All valve adjustments are made with a 3/32"

hex key.

door and objects behind the door. Closing the backcheck

positioning valve fully clockwise advances the backcheck

range approximately 15°. Backcheck position valve is shipped

in the "on" position (to turn off, rotate valve counterclockwise

only 1/2 turn).

should take a minimum of 1.5 seconds. Backcheck

under control during the opening cycle protecting the

intensity should be adjusted to ensure that the door is

Closing time from 15° to fully closed (latch range)

generally adjusted to take a minimum of 3 seconds.

Closing time from 90° to 15° (sweep range) is

Adjust sweep, latch and backcheck valves.

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