Concealed Vertical Rod Exit Devices - Assa Abloy Corbin Russwin Access 3 Technical Manual

Concealed Vertical Rod
Exit Devices
ED5800
ED4000, ED5000 Parts Manual
Rods should move freely inside door. Bolts extend automatically when
door closes and top strike is tripped. Top bolt should retract flat. Bottom
bolt should travel 1/2" and engage 3/8" into strike in down position,
without dragging on floor surface in up position.
If top latch does not engage properly check alignment. When locked,
latch bolt should not be preloaded by strike (Area A). Shim or reposition
strike if necessary.
Rod Adjustment for Bolt Throw
1. Remove Latch assembly cover screws and cover.
2. Use 3/32" Allen wrench to loosen set screws
B 1 B 2
3. Adjusting screws and
screws bottom out before proper device operation, door and device
must be removed. Larger adjustments may then be made either by
threading rod in or out, or by moving cotter pin to different hole in
rod.
Adjust top rod first.
4. With device in dogged position (panic
devices) or Pushpad fully depressed (fire devices), adjust top rod so
that the top latchbolt is flush and the hold back feature is engaged.
Lengthen top rod an additional 1/2 turn.
Adjust bottom rod.
5. With top latch retracted in hold back
position, and touch bar dogged or fully depressed, adjust bottom
rod so that the deadbolt clears the strike by 1/16". The bottom rod
should be in position in the active case with the square head of the
connector hanging in the slide.
Check device operation
6.
When present, operate the device with the outside trim. An
additional minor adjustment may be required for full retraction and
correct strike engagement.
7. When finished, lock adjusting screws in place with Allen set screws.
Caution:
To avoid thread damage and provide positive locking, be
sure Allen set screws engage flats on adjusting screws.
Maintenance
1. Periodically remove covers and coat exposed mechanisms with
an appropriate lubricant. This is regularly required in corrosive
environments for proper product operation.
2. Check mounting fasteners periodically. Retighten if found loose.
Apply screw locking compound or change part fasteners if screws
continue to back out.
3. Periodic checks and adjustments of rods may be required to
compensate for door or frame sag.
70
C 1 C 2
and .
only provide fine rod adjustment. If
by opening and closing the door.