Battery Change

CM lock interior batteries.jpg

Overview

There are a total of 89 locks in the library that require their batteries to be changed annually. This includes:

• Group Study rooms
• 90 day Research rooms
• Small Classrooms (1420, 5420, and 6420)
• Willamette East & West
• Autzen
• Several staff areas

The exception is room 1563: the lactation room. This lock is managed by Childcare and Family Resources.

Four AA batteries are required per door. With a total of 89 rooms, a complete battery change requires 356 batteries. The process takes approximately 8 hours. Rooms do not have to be reprogrammed after a battery change.

Battery replacement for CM Series lock (old locks)

Supplies

• Check-off form
• Philips head screwdriver or cordless drill
• 4 AA batteries per lock
• Study Rooms Master key

Steps to replace batteries

• The battery compartment is located under the interior latch, secured by four Philips head screws, one at each corner. 
• Remove all 4 screws while carefully holding on to the back of the lock so it doesn't fall. 
• Carefully pull the piece off of the door.
• This is most easily done with the door closed. 
  • When you do this, you are locking yourself in the room. Don't freak out.
  • The piece you are removing will look like this.

• The part remaining on the door will have a square hole that should have a peg with a spring on it. Sometimes the peg will fall out. Some of the doors are missing the spring.When you put it back in, make sure the rounded end is outward facing. 

• Remove the old batteries and replace with new ones.
• Fit the back panel back, being careful to line up the peg and spring. Then replace the screws. 
  • Take care to sink the screws properly; if you don't, the threads inside the panel will be stripped and the screw will not screw in completely. It may also cause damage to the panel.
  • A good trick is to put the screw in by hand, turn it counter-clockwise until you feel the screw slip into place. Then carefully turn the screw clockwise by hand a rotation or two to properly thread the screw.
• Finally, pull on the handle to make sure that the latch engages. If it doesn't, remove the back panel again and check whether the batteries and the spring and pin are in correctly.
• Record completion of door.
• When all doors have been completed, record in table at the bottom of this page.

Battery replacement for CO-200 & AD-200 locks (newer locks)

These locks need to be changed more often, probably twice per year. 

Supplies

• Check-off form
• Philips head screwdriver or cordless drill
• 4 AA batteries per lock
• Master Key card for New locks

Steps to replace batteries

• The battery compartment is located under the interior latch, secured by one Philips head screw. 

• After unscrewing, remove the cover to expose the battery pack. The cover needs to be pulled down and out. 

• After unscrewing, remove the cover to expose the battery pack. The cover needs to be pulled down and out. 

• This is what it looks like when the battery pack is out. Be sure not to disconnect the red & black wires.

• Replace the batteries.
• Test the lock by using your master key to make sure the lock is properly working before screwing everything back together. 
  • The door is unlocked if all the of the latches retract and become flush with the side of the door.

• Screw everything back together hand tight. Don't over tighten the screws.

To replace batteries for all other doors:

1. Gather batteries, a Philips head screwdriver, the master keycard, and a checklist of all the study rooms. The screwdriver is in the toolbox in the locked closet. Batteries are ordered through the supplies person.
2. Open the door that you want to change the batteries. Using the Philips head screwdriver remove all four screws at the back panel of the lock. 
3. Carefully remove the panel. Take note at how the the spring and peg fit together as you remove them. If they happen to come out, replace them in their correct positions. The latch doesn't operate without the spring, which is the part that tends to fall off. 
4. Remove the old batteries and replace with new ones.
5. Fit the back panel back and replace the screws. Take care to sink the screws properly; if you don't, the threads inside the panel will be stripped and the screw will not screw in completely. In this case the panel is damaged and can only be fixed by replacement. 
6. Finally, pull on the handle to make sure that the latch engages. If it doesn't, remove the back panel again and check whether the batteries and the spring and pin are in correctly.
7. Record completion of door.
8. When all doors have been completed, record in table below.