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Tubular Latch x Mortise Bolt Installation 

Sectional Trim

41035 - 2016    ©Water Street Brass - All rights reserved 

Prepare the Door

 

1.   Establish the desired latch height on your door. 

Using the provided templates for your lock or latch, 

mark hole locations on the door.* 
2.  Using the drill & bore sizes specified on the tem-

plate, carefully drill the door. On the door edge, mark 

and drill two pilot holes for the installation screws.

Install the Latch

3.  Install the latch body and face plate into the door 

and secure loosely with the screws provided. Do not 

tighten completely at this time. 

4.   Insert the spindle through the latch body as shown. 

Position a rosette mounting plate with a threaded hub 

on both sides of the door. Insert the two alignment 

bushings into the hubs and snug the mounting plates 

firmly against the door surface.

Face Plate

Latch Body

Face Plate

Screws

Backset

Pilot Holes

5.   Tighten the latch face plate screws. When satis-

fied that the latch is firmly in place and level, mark the 

screw hole locations for the rosette mounting plates.  

Drill pilot holes and proceed to affix the plates to the 

door surface with the screws provided.  
 

As a final check, remove the alignment bushings 

and place a lever or knob on the spindle. Check that 

the latch functions properly. If there is any binding 

or sticking, slight adjustments to the latch face plate 

or rosette mounting plates may be necessary. Once 

satisfied that the latch is working properly, remove the 

threaded hubs and spindle.
6.  You can now install the rosettes by locating them 

over the rosette mounting plates. Firmly secure the 

threaded hubs using the tool provided. Take care not 

to scratch or mar the rosette surfaces when installing.
7.   Complete the installation by centering the spindle 

in the latch body. 

To prevent binding, we recommend 

the grooves in the spindle be facing up, away from 

the set screws.

 

Place the levers or knobs onto the spindle with 

the Nylatron washers located on the bases. Seat the 

lever or knob so that it sits flat against the washer and 

rosette face.  Using the hex key wrench provided,  firm-

ly tighten the set screws so that they seat within the 

spindle grooves. When properly seated, there should 

be no gaps or excessive play in the levers or knobs. 

Install the Mortise Bolt

8.   In the same manner as the latch, install the mortise 

bolt and face plate into the door and secure with the 

screws provided. 

Face

Plate

Latch Body

Face Plate

Screws

Alignment Bushing

Spindle

Rosette

Mounting Plate

Threaded Hub

Face Plate

Face Plate

Screws

Mortise Bolt Body

Backset

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