Instructions / Assembly

Master Lock - Model #1523D

How to Change the Combination

1. Open lock and withdraw the shackle.

2. Pull spring loaded metal end cap off.

3. Remove all 4 or 5 combination wheels.

4. IMPORTANT: Make sure the red marks remain aligned with Master logo. Install wheels

so your desired combination aligns with the Master logo.

5. Snap metal end cap back into place. (Note: If end cap will not mount properly, check

wheels to make sure they are right side up.)

6. Close shackle and scramble wheels to lock.

7. Secure your NEW combination in a safe place since you are the only one who knows

what it is!

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Master Lock - Model #1523D How to Change the Combination 1. 2. 3. 4. Open lock and withdraw the shackle. Pull spring loaded metal end cap off. Remove all 4 or 5 combination wheels. IMPORTANT: Make sure the red marks remain aligned with Master logo. Install wheels so your desired combination aligns with the Master logo. 5. Snap metal end cap back into place. (Note: If end cap will not mount properly, check wheels to make sure they are right side up.) 6. Close shackle and scramble wheels to lock. 7.