203820
Rev. G, 3/14/09
© 2009, THE STANLEY WORKS. ALL RIGHTS RESERVED.
6 of 15
3.2.6
With the lock approximately
1
/
8
″
from the belt bracket, TIGHTEN the fasteners securing
the lock assembly to the header.
3.2.7
APPLY a small amount of lubriplate grease or equivalent to the locking edge of the belt
bracket and the corresponding latch surface.
3.2.8
Refer to Attachments 2 through 7 as applicable, and CONNECT solenoid lock assembly
and applicable accessory component electrical wiring as required.
3.2.9
ENSURE all wiring is clear of the lock mechanism, the rear end of the solenoid plunger,
and the belt and belt brackets.
3.2.10
VERIFY proper operation of the solenoid lock assembly as follows:
a.
ENERGIZE electrical power to the door package.
b.
CONFIGURE MC521 lock type to Fail Safe or Fail Secure as applicable.
c.
OPEN and CLOSE the door several times, and ENSURE the following:
•
The solenoid lock functions properly.
•
Electrical wiring does not interfere with the operation of the lock.
3.3
Replacing the Solenoid
3.3.1
Refer to Section 1.1, and REMOVE the solenoid lock assembly from the header.
3.3.2
Refer to Attachment 1, and NOTE the location of the solenoid mounting holes.
3.3.3
REMOVE the four screws and lockwashers securing the solenoid to the lock housing.
NOTE
In most cases it will not be necessary to replace the solenoid plunger.
3.3.4
SLIDE the solenoid off the plunger, and ALLOW the plunger to remain connected to
the mechanism.
3.3.5
POSITION the replacement solenoid onto the plunger.
3.3.6
Using the four screws and lockwashers, FASTEN the solenoid to the lock.
3.3.7
Refer to Section 3.2, and INSTALL the solenoid lock assembly into the header.
3.4
Replacing Switch S3 (Closed-Position Switch)
3.4.1
Refer to Section 1.1, and REMOVE the solenoid lock assembly from the header.
3.4.2
Refer to Attachment 1, and NOTE the following:
•
The orientation of the screws and lockwashers securing switch S3 to the solenoid
lock assembly.
•
The electrical wiring to switches S3.
3.4.3
REMOVE the screws and lockwashers securing switch S3 to the solenoid lock
assembly, and REMOVE switch S3.
3.4.4
POSITION replacement switch S3 in the solenoid lock assembly.
3.4.5
Using screws and lockwashers, FASTEN switch S3 to the solenoid lock assembly, and
ENSURE the following:
•
For each mounting screw, a lockwasher is installed above the switch and one
lockwasher is installed below the housing.