Adams Rite MS1850S_MS1850A_MS1950 Deadlocks Installation Instructions

ALTERNATE MOUNTING METHODS

ADAMS RITE MOUNTING TABS P/N: 91-0965

Lock is secured to back web of stile by means of two (2) #10 (M5) flat head machine screws and two (2) tube spacers of proper length to position lock. To determine tube spacer length (L) use the following formula:

L = C -.25" (6.35)

Screws will be furnished approx. 1/4" longer than the spacer.

CYLINDER TRIM RING

Trim ring thickness (TR) will vary with specific cylinder make, number of pins & specific door thickness. To determine trim ring thickness, use the following formula:

$$TR\; =\; A\; +\; .125\text{'}\text{'}\; (3.17)\; -\; B$$

CYLINDER LENGTH	TRIM RING REQUIRED FOR 1-3/4" THICK DOOR	TRIM RING REQUIRED FOR 2" THICK DOOR	TRIM RING REQUIRED FOR 2-1/4" THICK DOOR
1"	1/4" TRIM RING	1/8" TRIM RING	NO TRIM RING
1-1/8"	3/8" TRIM RING	1/4" TRIM RING	1/8" TRIM RING
1-1/4"	1/2" TRIM RING	3/8" TRIM RING	1/4" TRIM RING

The MS® Series locks are operable by any standard 1-5/32" diameter (29.37) mortise cylinder with special MS Cam dimensioned as above. Cylinders with MS Cams can be readily obtained from most cylinder manufacturers.

MS1950, MS1850A, & MS1850S INSTALLATION INSTRUCTIONS

PRODUCT MUST BE INSTALLED ACCORDING TO ALL APPLICABLE BUILDING AND LIFE SAFETY CODES