Von Duprin LGO Installation Instructions Manual

*941277-00*

941277-00

Latch Guard

LGO

Installation Instructions

PARTS

NOTE

This latch guard will cover a
bottom latch that projects as
far as 1-13/16” from the door.

Latch Guard Latch Guard

Remove center case cover, latch cover, rod guide, and bottom rod (Figure 1).1

Center case

cover

Bracket

Rod guide

Bottom rod

#8-32 Screw

(quantity 7)

INSTALLATION

NOTE

Rod for 33/35 and

88 device unscrews

at device.

Rod guide

bushing

Latch cover

Figure 1

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Printed in U.S.A.

941277-00 Rev. 06/14-b

2 Locate and install latch guard bracket with two #8-32 screws (Figure 2 and Figure 3).

Measure from center line of latch

13/16” for Von Duprin 22, 33/35,
33A/35A, and 98/99 devices
15/16” for Von Duprin 88 devices

Use latch guard bracket as a
template for locating holes; drill
and tap door for #8-32 screws

5”

Measure from bottom of latch case

Latch guard
bracket

Tapped
holes

Latch case

Latch
mounting
bracket

C

L

Figure 3 Figure 2

3 Reinstall rod and adjust rods per device instructions.

4 Reinstall rod guide bushing, rod guide, center case cover, and latch cover.

5 Drill and tap door for #8-32 screws and install latch guard with five #8-32 screws (Figure 4).

Drill and tap three

#8-32 mounting

holes in door

Figure 4