Simplex 900 Series Mechanical Pushbutton Lockset

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We will install, change the combination, clear a lost combination, and troubleshoot some common problems on this workhorse of a pushbutton lock.


Step 9. Gently lift the end of the unlocking slide over the unlocking slide stud. The unlocking slide is connected and under spring pressure. Once disconnected, carefully swing the unlocking slide to clear the gears.

Step 10. Press the lockout slide to clear the combination.

Step 11. Turn each gear until its pocket aligns with the opening for each of the unlocking slide toes.

Step 12. Once all five gears are aligned, install the unlocking slide so the five toes enter the five gear pockets.

Step 13. Attach the "e" ring onto the unlocking stud.

Step 14. Install the combination chamber into its housing.

Re-assemble and install the Simplex 900 Series lock into the door before trying to enter a combination.

Troubleshooting

Condition: The deadbolt or latch retracts when the thumbturn is rotated clockwise and you have not entered your combination.

Problem: The lock has been set to a zero combination.

Solution: Reset the combination.

Condition: The bolt will not retract when proper combination is pressed and thumbturn is rotated to the unlocked direction.

Problem: The buttons were probably not fully pressed when entering the combination.

Solution: Turn the thumbturn to the stop position to clear the combination. Re-enter the combination pressing each button until there is a click sound. Rotate thumbturn to retract the bolt.

Condition: Turning outside thumbturn always retracts latch/bolt without depressing any buttons.

Problem: Lock has a "zero" combination.

Solution: Enter a new combination. However, do not enter the existing combination.

The Simplex 900 Series pushbutton locks are manufactured of metal, having a cast rear housing and a brass trim plate. The exterior thumbturn is clutch protected. The numeric pushbuttons are vandal resistant, manufactured of anodized aluminum. The locks are available in Satin Brass or Satin Chrome.

For more information, contact your local locksmith wholesaler or Kaba Access Control, 2941 Indiana Ave, Winston-Salem, NC 27105. Telephone: 800-849-8324. Fax: 800-346-9640 .Website: www.kaba-ilco.com.

Time for new installation:
30 to 60 minutes

Warranty:
One year

Tools required:

  • 1-5/8" diameter hole saw
  • 3/4" and 1/8" diameter drill bit
  • 1/8" hex wrench
  • drill motor
  • chisel
  • punch
  • screwdrivers
  • hammer

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