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How to reset the time pointer accidentally unscrewed from an Inter-matic T101 timer?

The pointer normally fits at the middle of the dial

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  • Filiberto Manzanilla
    Filiberto Manzanilla Nov 05, 2012

    The problem is tha the stationary pointer rotates along with the dial.

  • Gene Haynes Nov 05, 2012

    There is a spring located between pointer and yellow dial. Since screw on pointer was loosened, the spring is probably pressing against pointer causing it to move. The dial rotates clockwise, so this action will not cause screw to come out. Choices 1) ignore problem and just imagine that pointer is stationary. 2) Turn power OFF and spray bit of WD40 on bottom of pointer. 3) Tighten pointer screw using star or flat tip screwdriver. 4) Do each step. Here is close-up of my WH40 showing spring, screw, and 'do not unscrew' advisory:http://waterheatertimer.org/images/IMG_2...

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  • Master
  • 5,245 Answers

T101 Timer has silver pointer that is stationary, and points straight downward.
Copy following link for step-by-step instructions setting T100 series, and links to wiring and replacement part identification:
http://waterheatertimer.org/pdf/How-to-operate-and-set-T104-timer.pdf

Posted on Nov 04, 2012

Testimonial: "Thanks a lot. Looks like the trick was in the small spring that fits under the pointer. I am glad you "pointed" it out. Thanks again."

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Posted on Jan 02, 2017

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VtToolMan
  • 704 Answers

SOURCE: Clock not working on T101 SALR3730 24 Hour Dial

Hello Linda, please first check to see that a breaker hasn't tripped and that the reason the timer isn't advancing isn't due to a lack of power at the timer.

If you have a test meter or a voltage detector, you can also use them to quickly check to see if you have power at the timer. If you don't have them, another way to very easily check to verify if you have a faulty timer motor is to use the manual "ON/OFF" lever located at the bottomn of the time wheel. Just simply flip the lever to the right and see if the device you have the timer connected to, operates or turns on.

If the device (lights, pool pump, vaccum, sprinkler system, etc.) does operate, then you have isolated the issue to a faulty timer motor and you can then obtain a new replacement motor, or replace the complete timer, whichever you prefer. Just be sure to disconnect the electric to the timer before undertaking any repairs and it's best to take some pictures of the wiring (use you camera phone or a digital camera) before you uninstall the existing timer.

To make the repair as easy as possible, try to get the same brand and model of timer, so it becomes a simple issue of removing and replacing the timer at the location and the wiring will still reach the connection points.

I hope you find this Very Helpful and best regards!

Posted on Nov 23, 2009

gotgeek2
  • 565 Answers

SOURCE: T101

Here's the wiring diagram:
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t101%20-%20english.ashx

The wiring is as follows:
Connect _both_ the incoming and outgoing neutrals (white) wires to the "A" terminal. The incoming [(LINE) (hot) (from the breaker or source)] black wire is connected to the #1 terminal and the outgoing (LOAD) black wire is connected to the #2 terminal.
Both of the bare or green wires are twisted together along with a 6 inch or so pigtail using a red or yellow wire nut. The pigtail is then connected to the green "GR" screw on the enclosure.

Posted on May 08, 2010

  • 52 Answers

SOURCE: When dial is set on

www.electricalexpeditors.com

Posted on Aug 20, 2010

SOURCE: New intermatic T101 timer problem - timer is not

Manual override lever is good overall test of T101 120Volt timer.
T101 timer has 3 terminals: A 1 2

See wiring diagram on following link:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

Electricians test, they don't guess.
So test your wire:
Separate all wires for testing.
Use ordinary 2 prong tester.
Tape wood sticks to tester leads to keep hands away from power.
Stand on dry boards. Do not hold or touch anything metal.
Turn power ON.
Test each wire to bare ground wire.
Tester lights up on Hot wire. 120V circuit has only 1 Hot wire. If you have 2 Hot wires, you might have 240Volt circuit and need T104 timer. If circuit has 1 Hot wire, then that Hot wire must connect to terminal 1.
If you have NO Hot wire, then check circuit breaker.
Hot wire is identified.
Now test Hot wire to all other wires, except bare ground wire.
Tester lights up on Neutral wire. Neutral wire must connect to terminal A.
If you have NO Neutral wire, then additional wiring is needed, or circuit needs further testing to see what type of wiring you are working with.
Bare ground wires connect to green ground screw.

Notice there are small white wires also connected to terminals A and 1. These small white wires power the 120V clock motor. With Hot on terminal 1 and Neutral on terminal A, the clock motor will run, and yellow dial will rotate.

If timer dial does not rotate after connecting Hot ans Neutral, then test voltage across Hot and Neutral to make sure it reads 120V.

Your circuit should have 2 wires remaining.
These wires go to 120Volt load (fan, light, motor)
Connect these two wires to terminals A and 2.
Try manual override.
If Load turns ON-OFF, then timer is wired correctly.
If Load does NOT turn ON-OFF, then reverse Load wires on terminals A and 2.

Add a comment any time.

Posted on Dec 28, 2010

SOURCE: Model T101 is not turning

The breaker is tripping?
Timer starts again when you flip breaker. It sounds like breaker is loose on the busbar, or there is loose wire that stops making contact, and then the timer turns off because no electricity is flowing to timer.

You have T101 timer.
When the timer is off next time: Stand on dry surface or dry boards. Open cover. Notice there is a plastic insulator that covers wiring terminals. On the insulator, each wiring terminal is marked: A 1 2. Remove plastic insulator that covers wiring terminals. Use ordinary electrical tester. Tape tester leads to wood sticks to keep hands away from voltage. Test across terminals 1 and A for 120Volts (or 110, 115, 125V is all the same).
If there is no voltage, then circuit breaker and/or wire from circuit breaker is suspect.

Resources:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100

http://waterheatertimer.org/How-to-replace-circuit-breaker.html

Add a comment for more help

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Posted on Sep 13, 2011

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1 Answer

How do I set T101 intermatic T101 timer to 7:30 PM


PROGRAMMING INSTRUCTIONS 1. TO SET "ON" AND "OFF" TIMES: Hold trippers against edge of CLOCKDIAL, pointing to time (AM or PM) when ON and OFF operations are desired, tighten tripper screws firmly. For additional tripper pairs on CLOCK-DIAL order 156T1978A. 2. TO SET TIME-OF-DAY: Pull CLOCK-DIAL outward. Turn in either direction and align the exact time-of-day on the CLOCK-DIAL (the time now, when switch is being put into operation) to the pointer. DO NOT MOVE POINTER.
http://www.intermatic.com/-/media/inriver/10162-9164.ashx/T101-Instructions-EN

Mar 23, 2017 | Intermatic Hardware & Accessories

1 Answer

How do i program the above timer?


Here are the instructions:
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t101%20-%20english.ashx

Basically, pull the yellow dial out, rotate the yellow dial until the pointer indicates the current time, then push the dial back in. Set the ON/OFF trippers as desired.

Feb 06, 2011 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

Intermatic T101 timer


T101 timer is strictly 120Volt timer
Wiring and manual show on following link
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

See another image of wiring:
http://waterheatertimer.org/images/T-101-control-120V-Load-450.jpg

Amazon sells T101:
http://www.amazon.com/Intermatic-T101-Hour-Dial-Timer/dp/B00002N5FN

If timer is not functioning, add a comment.

Grainger sells 125V clock motor and tripper for T100 series timers.
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi
If manual override does not turn Load ON, and the lever snaps crisp and clean, then check electric circuit. Check if load is operable.
If override does not snap crisp and clean, then timer may be worn out.
If dial does not rotate, replace clock motor.
If dial rotates but does not click override back and forth, then replace trippers.

How T101 works:
Lift and rotate dial until current time lines up with silver pointer
Clock motor rotates dial.
ON-OFF trippers attached outer edge of dial contact a lever.
ON tripper pushes lever one direction.
Off tripper pushes lever opposite direction.
Lever opens and closes electrical contacts.
Lever also pushes manual override lever back and forth with audible click.
geno_3245_196.jpg

Dec 28, 2010 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

Don't know what is it used for,and how it operates?I don't have any instructions for it.


You posted under T101 timer.
Most box timers have model number and instructions pasted on inside of door.
Instructions can seems a foreign language sometimes.

If your timer is different than T101, then add a comment with timer number.
I have extensive files on timers.

Box timers are generally used for heavy amperage loads like outdoor lights, swimming pool pumps, water heaters, parking lot lights and lighted outdoor signs.
They are surface mounted near breaker box, or in attic or basement, or garage.
Box timers are used in schools to ring bells, and inside factories to run processes and fans.
Some are complicated electronic devices used to control machines with one second precision.
Mechanical box timers are noisy when turning on-off, so are generally not installed in living area of house.

T101 timer is least complicated of any timer.
It is used for ordinary household 120V circuit.
Timer has 120Volt clock motor, and controls 120Volt circuit.
For example 120Volt water heater, or 120V grow lights, or aquarium, or any application up to 2 horsepower, for example timer can be located inside garage to control outdoor lights.
T101R is raintight outdoor box, with rubber gasket on door that seals tight when closed.
Raintight boxes are installed outdoors to operate 120Volt spas and pool pumps.
When box timer is rated for indoor, there is no rubber gasket on door, and that box is called NEMA 1 enclosure.
My local Lowes sells T101 T103 T104 > and each is for slightly different purpose and each wires differently.
Link below shows wiring and manuals for T100 series timers.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

Here's how T100 series timer works:
Lift and rotate yellow dial until current time lines up with silver pointer.
Clock motor rotates dial as time passes.
Clock motors are accurate for years, but current time has to be reset after power outage.
ON-OFF trippers are placed on outer edge of dial.
Trippers push a lever, and lever turns circuit on-and-off.
ON tripper pushes lever one direction.
OFF tripper pushes lever opposite direction.
Each time lever is pushed, manual-override lever clicks back and forth with audible sound.
geno_3245_125.jpg

Dec 01, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

How do I reset the time needle on my intermatic modle t101 The screw was loose and the needle move so


T101 Intermatic is 120Volt electro-mechanical timer

Silver pointer is located at 6:00 position.
Tighten the center screw with star screwdriver
Lift and rotate yellow dial until current time lines up with silver pointer.

geno_3245_71.jpg

How electro-mechanical timers work:
Place ON-OFF trippers on dial.
Trippers rotate around with passing time.
Trippers encounter on-off lever.
OFF tripper clicks lever one direction.
ON tripper clicks lever other direction.
Manual override lever clicks back and forth each time on-off lever is clicked.
How to wire T101:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101


geno_3245_72.jpg

Nov 16, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

HOW TO PROGRAM T 101 Timer


The T-101 timer is electro-mechanical timer with yellow dial on front

Pull dial back toward you. Rotate dial until current time lines up with silver pointer.
Timer has on-off trippers that fit outer edge of dial.
Place off tripper when you want timer to turn off
Place on tripper when you want timer to turn on
Turn on electricity and expect timer to run for 20 years
Dial has to be re-set to current time after power outage

http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

Oct 19, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

The center rotating arm that indicates the time on the yellow dial, got broken off (somehow). The center is still there, which is held in by a screw, and the unit still functions fine - just more...


The silver pointer arm is supposed to be stationary.
Part is not sold separately.
T100 series, the stationary pointer is pointed at 6:00 position.
Sprinkler timers, the pointer points at 7:00 position.
To set timer, rotate dial until current time lines up with stationary pointer.
Open following link for troubleshoot checklist
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Dec 11, 2009 | Intermatic T101 - 24 Hr. Dial Time Switch...

2 Answers

Just installed a T101. Unit will not switch to on position works perfectly to off position. Can it be adjusted.


Yes.

Programming Instructions for the Intermatic T101 - 24 Hr. Dial Time Switch:
1. TO SET ON AND OFF TIMES: Hold trippers agains edge of clock-dial, pointing to time (AM or PM) when ON and OFF operations are desired, tighten tripper screws firmly. For additional tripper pairs on CLOCK-DIAL order 156T1978A.

2. TO SET TIME-OF-DAY: Pull CLOCK-DIAL outward. Turn in either direction and align the exact time-of-day on the CLOCK-DIAL (the time now, when switch is being put into operation) to the pointer. DO NOT MOVE POINTER.

Operating Instructions:
* To operate switch manually: move manual lever below clock-dial left or right as indicate by arrows (graphics) This will not efect next operation.
* In case of power failure, reset clock-dial to proper time-of-day. See Programing Instructions (top lines).

Good luck (reemmber rated this help).

Oct 23, 2009 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

I moved the time pinter by accident. now the timer


Did you mix up the pointers? One of them is for off and one for on. Dont know any other reason. If the timer is working all the pointers do is manually trip the lever as it comes past. On and Off should be stamped on the pointer.

Sep 28, 2009 | Intermatic Mechanical Timer Switch - Pool...

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