Falcon T351 Installation Instructions Manual Download Page 2

STEP 2 

BORE HOLES: INSTALL LATCH

A.  Bore a 2

¹⁄₈

" (54 mm) hole and two (2) 

⁵⁄₁₆

" (8 mm) holes 

from both sides of door to avoid splintering wood.

B.  Bore a 1" (25 mm) hole into door edge. Using the latch faceplate 

as a pattern, trace outline and mortise the door edge so the latch 
is flush with door. If 

³⁄₄

" projection latch is to be installed see Step 19.

Note:  For wood jambs, close the door and using a strike-locating tool 
or other pointed object, mark the position of the hole in the jamb. 
Open the door and drill 1" (25 mm) hole in the jamb a minimum of 

³⁄₄

"

19 mm) deep. 

C.  File two (2) 

⁵⁄₃₂

" (4 mm) x 

⁵⁄₃₂

" (4 mm) x 

¹⁄₈

" (3 mm) deep notches

 

into both sides of the door.

D.  Insert the latch unit in the door, making certain that the latch bolt
 

bevel faces the direction of the closing door.  Attach with two (2)

 

 #8 combination screws provided.

Note:  Use of a drill guide is recommended  to ensure 
straight and level holes.

IF USING THE FALCON OPTIONAL DRILL GUIDE

Install Drill Guide (M204-198) into the door. Make certain the
correct backset locators are even with door edge. Drill two (2) 

⁵⁄₁₆

" (8 mm)

holes from both sides to the center. 

Note:  Drill guide replacement is recommended after ten (10) door preparations. 

When drilling through the door, be careful not to damage the door finish. 

STEP 3 

INSTALL CHASSIS AND OUTER TRIM ASSEMBLY 

Note:  For ease of installation, the lock should be in 
the 

unlocked 

position.

Slide the chassis assembly into the door from outside 
making sure that the lock housing engages the latch 
prongs. Retractor must also engage the latch tail.

Important

:  The chassis assembly must be positioned 

in the center of the door for proper operation.

STEP 4 

INSTALL INNER MOUNTING PLATE 

A. Place 

the 

inner mounting plate onto the chassis assembly 

making sure that the plate tabs engage the horizontal 
notches in the door.

B. Position the flanged nut over the chassis assembly and 

tighten securely with hex wrench provided.

Lock Housing 

Latch Prong 

Latch Tail 

Retractor 

Latch Case 

Chassis Assembly 

Outside of Door 

Notches 

Tab 

Flanged Nut 

Black Hex Wrench 

Chassis Assembly 

Tab 

Inner Mounting Plate 

A) 5/16" (8 mm) 
 Thru 

hole 

C) File Notches 

B) 1" (25 mm) Hole 

5/32" (4 mm) 

Latch 
Bolt Bevel 

Latch Unit 

A)  2-1/8" (54 mm) 

 Thru 

hole 

A)  5/16" (8 mm) 
 Thru 

hole 

Use faceplate as pattern for mortise. 

Backset 
Locator 

See Step 9 for door thickness adjustment.

Summary of Contents for T351

Page 1: ...re Cylinder Inner Lever Rose Inner Trim Assembly Flanged Nut Inner Mounting Plate Spacer Attaching Screws 8 Combination Spacer Spacer required for all doors less than 1 thick Latch Assembly Chassis Assembly Outer Trim Assembly Standard Cylinder LEFT HAND REVERSE SHOWN INSIDE OUTSIDE LEFT HAND LEFT HAND REVERSE RIGHT HAND RIGHT HAND REVERSE DOOR HAND DETERMINED FROM OUTSIDE OUTSIDE INSIDE High Edge...

Page 2: ...from both sides to the center Note Drill guide replacement is recommended after ten 10 door preparations When drilling through the door be careful not to damage the door finish STEP 3 INSTALL CHASSIS AND OUTER TRIM ASSEMBLY Note For ease of installation the lock should be in the unlocked position Slide the chassis assembly into the door from outside making sure that the lock housing engages the la...

Page 3: ...r jamb B Mortise the door jamb to accommodate the strike box and the strike C Insert the strike box if required and fasten the strike to the jamb with 12 or 8 combination screws provided Caution Deadlocking plunger of the latch bolt must not enter the opening in the strike plate Note When the strike box is not used the recess in the jamb must be a minimum of 14 mm deep to allow the latch bolt to e...

Page 4: ...te B Place the spacer on over the outer chassis spindle as shown C Re install the outer mounting plate and flanged nut Using the adjusting gage provided adjust the flanged nut for proper door thickness as shown D Go back to Step 3 for chassis installation E Place the second spacer over the inner chassis spindle before installing the inner mounting plate and flanged nut Continue at Step 5 STEP 11 T...

Page 5: ...ainer G Pull on lever to be sure the retainer is engaged with the lever STEP 14 TAILPIECE INSTALLATION For proper function of the lock the tailpiece must be installed correctly All T Series tailpieces should be installed VERTICALLY in the cylinder STEP 15 SINGLE DUMMY TRIM T12 A Using the template described in Step 1 locate and mark the center for two 2 mounting holes B For Wood Door Drill two 2 p...

Page 6: ... C Try the latch for fit and function D Secure the latch with two 2 8 32 machine screws provided INSTALLATION INSTRUCTIONS FOR OPTIONAL PROJECTION LATCH A If the core is installed refer to Step 11 for IC core removal instructions B Using a thin flat screw driver turn the action bar slot clockwise cw until it stops at about 11 00 C Then turn the action bar counterclockwise ccw to the 7 00 position ...

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