How To Change Combination On Master Lock. Then do 1 full rotation left, passing over the first letter and stopping on the second. Push the reset tool in and turn 90° in either direction.

Enter the combination and pull the shackle to open. Download the master lock lost combination form (see resources). Be sure to store your combination at www.masterlockvault.com find a lock
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Rotate The Dial To The Right Going Clockwise, Being Sure To Pass The First Number Just Once.
Turn the reset back to its original position with the master logo facing the shackle. To set or reset the combination on your master lock 643d lock: Record your combination in a safe place.
On The Back Of The Lock, Use A Pointed Object To Slide The Reset Lever Into The “Up” Position (Toward The “R”).
Turn shackle counterclockwise 90 degree (1/4 turn) continue pressing shackle down and turn another 90 degree (1/4 turn) set the dials to your own combination Push the reset lever to the left and into the downward position. Insert the shackle into the lock and squeeze firmly twice to “clear” it 4.
Locate The Serial Number On The Back Of The Master Lock 1530Dcm.
Master lock warehouse 1600 w. It is easy to forget the combination to a lock. How do you reset a master lock if you forgot the combination?
If A Mistake Was Made In Following The Above Instructions, Dial The First Combination (See Chart).
This tutorial is specific to one of the most common master lock padlocks, model 646, and similar versions. Turn the item about 90° in either direction. Turn shackle another 90° to position 2.
Then, Take The Reset Tool And Push It In The Side Hole Of Your Lock Chamber.
Wait four to six weeks for a replacement or default combination to be mailed to you. Videos you watch may be added to the tv's watch history and influence tv recommendations. To set or reset the combination on your master lock 1550 backpack lock: