Lathem 2121 User manual

Mechanical
Time Recorder
Model 2121
User’s Guide

Contents
Thank you for choosing the Lathem 2121 time recorder. Should
you ever need assistance, please let us know.
This guide contains all the information you need for setting up
and operating your new time recorder. Service information is
also included for replacing certain parts.
Ordering Accessories ............................................. 1
Start ere .......................................................... 2
1. Mount Clock in Suitable Location ........................... 2
2. Unlock and Remove the Cover............................... 2
3. Lift the Type Section ......................................... 3
4. Set the Printed Day and Time ............................... 4
5. Set ands on Clock Face ..................................... 6
6. Advance Print Wheels and ands ........................... 7
7. Lower the Type Section into Place ......................... 7
8. Test that Clock is Now Set Correctly ....................... 9
9. Close and Lock the Unit ...................................... 9
Change the Ribbon...............................................10
Change the Type Section........................................11
Change the Motor ................................................12
Trouble Shooting .................................................13
Warranty ..........................................................14

Model 2121 Time Recorder User’s Guide
Page 1
Ordering Accessories
Lathem time recorders fulfill a wide range of timekeeping
requirements. For maximum results, only use Lathem accessories
specifically designed to fit your time recorder.
To purchase the appropriate accessories for your Model 2121
time recorder, contact your local Lathem dealer or visit us at:
http://shop.lathem.com
Description Part Number
Extra Pair of Keys VSM0976
Replacement Ribbon, 2-Colors 7-2CN
Time Card Rack, 25 Pockets 25-9G
Time Card Rack 12 Pockets 12-9G
Time Cards, Weekly (Box of 1,000) 1900L-C
Time Cards, Bi-Weekly (Box of 1,000) L-31-1D
Time Cards, Semi-Monthly / Monthly (Box of
1,000) 1790
Time Cards, Job Costing (Box of 1,000) 350
Replacement Timing Motor, 110V/60 z K342

Model 2121 Time Recorder User’s Guide
Page 2
Start Here
Complete these steps to setup your new time recorder
This guide is available to download at:
http://www.lathem.com/support/product-manuals.aspx
1. Mount Clock in Suitable Location
Must be within 6 feet of AC power source
(unswitched) and conveniently located for your
employees. See attached instructions if you will be
installin on wall.
2. Unlock and Remove the Cover
Safety Warning: Do not plug the unit into an AC electrical outlet
until you are instructed.
2.1 Place the unit where you plan to mount or leave it.
2.2 Insert the key into the lock on the top of the unit cover.
2.3 Turn the key clockwise to unlock the unit.
Locked
Unlocked

Model 2121 Time Recorder User’s Guide
Page 3
2.4 Place your hands on both sides of the cover and pull it
toward you to remove it. A small amount of force may
be required.
3. Li t the Type Section
3.1 Locate the lock lever on either side of the type section
behind the clock face.

Model 2121 Time Recorder User’s Guide
Page 4
3.2 While pushing the lock lever down, lift the entire type
section as shown below until it locks into place
horizontally. It will click distinctly when it locks place.
4. Set the Printed Day and Time
4.1 Locate and press the red overthrow lever until it clicks.
This releases the print wheels, allowing you to turn them.

Model 2121 Time Recorder User’s Guide
Page 5
4.2 Before setting type wheels, observe the center position
of wheels, as shown by the arrows below. The characters
in the center position of each wheel are the characters
that will print.
Rotate each wheel with your fingers or a pointed object
clockwise until the correct day and time are aligned at the
center position. The wheel will click at each position.
Print Wheels Description
Day Wheel The top wheel is the Day wheel. Rotate it to the
current day of the week, such as M for Monday.
our Wheel
Below the Day wheel is the our wheel. Be
sure to set hours to correct AM/PM. PM hours
are underlined. AM hours are not underlined.
0-5 Minute
Wheel
Below the our wheel is the 0-5 Minute wheel.
If the current time is 2:34 PM, rotate it to 3.
0-9 Minute
Wheel
The last wheel is 0-9 Minute wheel. If current
time is 2:34 PM, rotate this wheel to 4.

Model 2121 Time Recorder User’s Guide
Page 6
4.3 When finished, release the red overthrow lever by gently
pulling it toward you until it clicks. This prevents the
print wheels from being manually turned.
5. Set Hands on Clock Face
5.1 Locate the setting wheel on the right side below the
clock face.
Caution: Do not manually turn the hands on the clock face.
5.2 Rotate the clock setting wheel counter-clockwise to set
the clock time to the print time you previously set.
ip: The arrow on the clock face indicates the correct
direction to move the clock setting wheel.

Model 2121 Time Recorder User’s Guide
Page 7
6. Advance Print Wheels and Hands
6.1 Turn the main setting wheel, as shown below, to advance
both the clock face and the print wheels together.
6.2 Use your fingers or a pointed object to rotate the main
setting wheel clockwise until it advances the time on the
clock face to the current time. Each minute will make a
distinct click as you rotate the wheel.
ip: Advance print wheels and clock face 1 or 2 minutes
ahead of the actual time to allow time to complete step 7.
7. Lower the Type Section into Place
7.1 Slightly lift the type section.

Model 2121 Time Recorder User’s Guide
Page 8
7.2 While holding the type section up, release the latch by
slightly pushing it in the direction, as shown below.
7.3 Gently lower the type section.
ip:Turn spools to tighten ribbon before lowering type
section to avoid catching the ribbon.
7.4 Firmly push it into the clock until it clicks.
7.5 Plug the clock into an AC electrical outlet.

Model 2121 Time Recorder User’s Guide
Page 9
8. Test that Clock Is Now Set Correctly
8.1 When the clock advances to the next minute, you hear a
distinct click.
8.2 Insert a card or piece of paper below the print ribbon.
8.3 Push lever on front of the unit down to make a print.
8.4 Verify that the clock face time matches the printed time.
If it does not, start again with Lift the Type Section.
Otherwise, continue to step 9.
9 Close and Lock the Unit
9.1 Slide the case cover on the unit.
9.2 Turn the key to lock the unit and remove the key.
Note: This completes the setup of this unit. The following
procedures contain service instructions.

Model 2121 Time Recorder User’s Guide
Page 10
Change the Ribbon
Lathem time recorders have self-reversing ribbons. With normal
use, a ribbon should last for many months or even years. When
the time comes, it is easy to change.
1. Remove cover and lift type section as described in Unlock
and Remove the Cover and Lift Type Section.
2. Use a pointed object to remove the small cotter pins that
hold the ribbon spools.
3. Lift the ribbon hold-down guide, and use a pen or a pencil to
hold it away from the ribbon, as shown above.
4. Slide off the old ribbon spools.
5. Slide on the new Lathem ribbon spools. Make sure the ribbon
feeds from the bottom of the spools and runs between the
reversing fingers. Also make sure that the red side of the
ribbon is nearest the outside of the unit.
6. Reinstall the cotter pins to hold the ribbon spools in place.
7. Remove the pen or pencil and lower the ribbon hold-down
guide.
8. Follow the instructions in Lower the Type Section and Close
and Lock the Unit.

Model 2121 Time Recorder User’s Guide
Page 11
Change the Type Section
If the type section needs servicing, you can easily remove and
change it without sending the entire unit for service.
1. Remove cover as described in Unlock and Remove the Cover.
2. Remove the type section retaining ring.
3. Press type section lock lever as shown on page 3 and lift type
section slightly and move it to the right to release the hinge
pins from their sockets. The unit will lift out easily.
4. Reverse these steps to replace the type section.

Model 2121 Time Recorder User’s Guide
Page 12
Change the Motor
1. Unplug the unit from the AC electrical outlet.
2. Remove cover as described in Unlock and Remove the Cover.
3. Remove type section as described in Changing the Type
Section.
4. Disconnect the wire leads by turning each screw one-quarter
turn counter-clockwise.
5. Remove the clutch from its shaft by turning it clockwise.
Note: The threads of the motor shaft are left handed.
6. old the motor bracket and loosen the mounting screws.
Remove and retain the screws and bracket from the old
motor.
7. Install the clutch on the new motor. Turn it
counter-clockwise to tighten.
Caution: Do not over-tighten or bend the clutch. You may
damage the internal motor gears.

Model 2121 Time Recorder User’s Guide
Page 13
8. Install the new motor making sure the motor bracket is
completely behind the clock frame and the gold motor
bearing is resting in the slot of the frame.
9. Attach the type section, reset the time, and replace the
cover, as described in this guide.
Trouble Shooting
Cloc Loses Time on Printer, but
hands on face eep correct time
Call Lathem to order a type
section exchange
Cloc Changes To The Next Day At
12:00PM
Hour wheel is 12 hours off,
reset
Cloc gains time on Printer, but
hands on face eep correct time.
Call Lathem to order a type
section exchange
How To Convert The Print Style On
A Mechanical Timecloc
Call Lathem to order a type
section exchange
How To Convert Minutes To
Hundredths For Calculating Time
Divide minutes (00-59) by 60
(ex. 45 min divided by 60 is .75
hours)
Ribbon not reversing Verify ribbon is installed
between reversing fingers
Time not advancing on Printer,
but hands on face eep correct
time
Install return spring (Part#
JB518-5M)
Time not advancing on Printer
(also hands on face are stopped)
Replace motor (Part #. K342)
Cloc ma es a Humming Or
Screeching Noise
Replace motor (Part #. K342)

Model 2121 Time Recorder User’s Guide
Page 14
Warranty
One-Year Limited Warranty
Lathem warrants the hardware products described in this guide against defects in
material and workmanship for a period of one year from date of original purchase from
Lathem or from an authorized Lathem reseller. The conditions of this warranty and the
extent of the responsibility of Lathem Time Corporation (“Lathem” under this warranty
are listed below.
1. This warranty will become void when service performed by anyone other than an
approved Lathem warranty service dealer results in damage to the product.
2. This warranty does not apply to any product which has been subject to abuse,
neglect, or accident, or which has had the serial number altered or removed, or
which has been connected, installed, adjusted, or repaired other than in accordance
with instructions furnished by Lathem.
3. This warranty does not cover dealer labor cost for removing and reinstalling the
machine for repair, or any expendable parts that are readily replaced due to normal
use.
4. The sole responsibility of Lathem under this warranty shall be limited to repair of
this product, or replacement thereof, at the sole discretion of Lathem.
5. If it becomes necessary to send the product or any defective part to Lathem or any
authorized service dealer, the product must be shipped in its original carton or
equivalent, fully insured with shipping charges prepaid. Lathem will not assume any
responsibility for any loss or damage incurred in shipping.
6. WARRANTY DISCLAIMER AND LIMITATION OF LIABILITY: Except only the limited
express warranty set forth above, the products are sold with no expressed or
implied warranties of any kind, and the implied warranties of merchantability and
fitness for a particular purpose are hereby expressly disclaimed. No warranties are
given with respect to products purchased other than from Lathem or an authorized
Lathem reseller and any such products are purchased “as is, with all faults.” In no
event will Lathem be liable for any direct, special, or consequential damages arising
out of or in connection with the delivery, use or inability to use, or performance of
this product. In any event any limited remedy given herein shall be deemed to have
failed of its essential purpose, Lathem’s maximum liability shall be to refund the
purchase price upon return of the product.
7. Proof of date of purchase from Lathem or an authorized Lathem reseller is required
for warranty service on this product.
8. This Warranty grants specific legal rights. Additional legal rights, which may vary by
locale, may also apply.
9. Should any difficulties arise with the performance of this product during warranty,
or with any Lathem authorized service centers, contact Lathem Time at the address
below.
Lathem Time Corporation
200 Selig Drive, SW, Atlanta, GA 30336
404-691-0405
www.lathem.com
Printed in USA P/N: USG0088