Yale 850: Difference between revisions

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= Yale 850 Padlock =
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{{Lock model
{{Lock model
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| name = Yale 850
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| spec_comptype = [[Pin-tumbler]]
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The '''Yale 850 Padlock''' is a [[pin-tumbler]] [[padlock]] made by [[Yale]]. It is a solid body padlock with an inner cylinder.
The '''Yale 850 Padlock''' is a [[pin-tumbler]] [[padlock]] made by [[Yale]]. It is a solid body padlock with an inner cylinder.
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== Principles of operation ==
== Principles of operation ==
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This padlock cylinder is a [[pin-tumbler]] lock. The key only turns clockwise to open the lock.
This padlock cylinder is a [[pin-tumbler]] lock. The key only turns clockwise to open the lock.
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== Disassembly instructions ==
== Disassembly instructions ==

Latest revision as of 13:55, 10 January 2023

Yale 850



Yale 850
Yale 850 1.jpg
Name Yale 850
Manufacturer Yale
Lock Type Padlock, Cylinder
Lock Design Pin-tumbler
Specifications
# of Components 6
Component Type Pin-tumbler

The Yale 850 Padlock is a pin-tumbler padlock made by Yale. It is a solid body padlock with an inner cylinder.

Principles of operation

See also Pin-tumbler (Principles of Operation)

This padlock cylinder is a pin-tumbler lock. The key only turns clockwise to open the lock.


Disassembly instructions

This padlock cannot be disassembled non-destructively. However, there are only two pins which need the heads drilled off for disassembly. The pins can be replaced.

Unlock the padlock, then drill the heads off the body retaining pins.
Yale 850 3.jpg


Use a drift punch to drive out the pins.
Yale 850 7.jpg


Lift up the lock body.
Yale 850 9.jpg


Remove the shackle retaining pin, located here.
Yale 850 10.jpg


Pull shackle out and lift off lock body.
Yale 850 15.jpg


Remove plug retaining plate screw and plate.
Yale 850 19.jpg


Push plug down slightly to release locking dogs.
Yale 850 22.jpg


Locking dogs in locked position.
Yale 850 17.jpg


Locking dogs in released position due to plug being lowered.
Yale 850 24.jpg


Remove locking dogs and springs by sliding them outwards.
Yale 850 25.jpg


Remove shackle spring.
Yale 850 29.jpg


Use a follower to push out the plug.
Yale 850 30.jpg

Yale 850 31.jpg


Remove actuator by lifting it off the end of the plug.
Yale 850 34.jpg


Remove follower and sort out pins onto tray. You will notice that the key pins have heavy wear.
The driver pins are not worn - that is how the factory used to hand-make mushroom driver pins.
Yale 850 35.jpg


New retainer pins look like this.
Yale 850 37.jpg


Slide them into place after reassembly.
Yale 850 38.jpg


Flip the lock over and you will see the ends of the retainer pins sticking out.
Yale 850 39.jpg


At this time, you would hammer the ends of the retainer pins so they mushroom out, tightening both sides. Then you would file the excess off and sand them flat to blend them into the lock body.


Gallery

See also