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 800-525-0954 | www.olympuslock.com
[email protected]

Copyright © 2020 Olympus Lock, Inc.

INSTALLATION 
INSTRUCTIONS

Cam Lock

820S

Typical Installation

Included Accessories:

2 nickel plated keys
1 720-PL3 anti-rotation plate 

and screws

1 720-3-1 short inverted cam
1 720-3-2 long vertical cam
1 720-CDLM
1 720-CDDM
1 720-KR

Lock diameter is 1-1/8.” Drilled hole should be 
slightly larger.

720-PL3

  

anti-rotation plate

Installation/handing for 

key-retaining option

LH

RH

Left-hand (LH) 
Hinged on left

Right-hand (RH) 

Hinged on right

VH

IH

IMPORTANT: 

It is highly recommended 
that you install the 

prong driver

 and 

lock 

cylinder

 into the lock 

body and cycle to the 
locked position before 
assembling cam, cam 
shifter and stop pin onto 
the back of the lock.

720-3-1

for inverted function

720-3-2

inbent cam for vertical 

function (bottom-pin style)

Included 

Cams

720-CDLM

lost motion cam shifter

(standard function, non-

key-retaining)

720-CDDM 

(A Side)

key-retaining door 

cam shifter

720-KR

key-retaining 

drawer cam shifter

720-CDDM 

(B Side)

key-retaining door 

cam shifter

1

2

3

3

Optional cams 

   Note: use of standard 

and/or optional cams depends on your 
specific application.

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