what is holdback on ma lock

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Here are some of the major differences between the M and MA-Series.  Lever mounting post holes -  Locations have changed on door template.  (12 and 6 o'clock for M lock, MA lock is approx 1 and...
The B520-698 cam was designed for a Schlage IC mortise cylinder (see Figure 1) to operate a Falcon MA lock, all functions except the MA381.  There is no Schlage cylinder option ...
To remove the M lock trim follow the steps below in reverse.       The M lock spanner wrench is 021415.  Although this wrench is no longer available from&n...
Solenoid: Black (2 wires) Case side RX Normally Open: Green Normally Closed: Orange Cover side RX Normally Open: Gray Normally Closed: Red Common: Yellow
Refer to the MA RX diagram here for more information.
See Falcon MA lever assembly below: The spring mechanism (E) returns the lever to horizontal.  The parts are not sold separate, so if the lever sags, the entire lever assembly shoul...
Lever assemblies part numbers are found in the Pricebook.  Note they are handed.
The Von Duprin 6210 electric strike was designed for retrofit applications and will not work with the Falcon MA series lock when strike and lock body are mounted at standard locations (centerline o...
See below for commonly requested dimensions on the MA lock.  Dimensions not found in other literature have a square around them. CL refers to "Centerline".  
The MA lock can be specified in a 12 or 24V DC configuration (default is 12V). Additionally, an AC power source may be used as long as a rectifier is installed in the circuit (not provided). He...
For additional details and a wiring diagram see the MA service manual page on electrical requirements here. 
The Falcon MA-Series requires a different cam for keyed functions than its predecessor the Falcon M-Series.