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Posted on Dec 04, 2006

Clock failing to keep time

The clock is running very slow and looses typically one day every week.

Dave Ayre

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• Posted on Mar 31, 2007
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Related Questions:

How do I adjust my mantel clock so that it doesn't gain time every day.

http://usedclockparts.com/9-clock-case-repairs/31-how-to-speed-up-or-slow-down-your-clock-using-it-s-pendulum
Dec 09, 2016 • Home
tip

REGULATION TIPS FOR THE 400-day and 1000-day clocks

CLOCK REGULATION TIPS FOR THE ROTATING REGULATOR
These Regulations tips are useful for regulating the rotating regulator. This is to include most 400-day and 1000-day clocks.
The following information is copied from SCHATZ (tm) OWNER'S HANDBOOK.
Time Regulation Tip:
On the top of the pendulum is a disk on which numbers are engraved 1 - 16 and two arrows marked F - S. The small indicator hand will be pointing to a number on the disk at which the clock was regulated before leaving the factory. Should you find it necessary to regulate the clock, observe the number to which the indicator hand points. The distance between each number is equivalent to 1/2 minute in 24 hours + or -.
FRROM MY PERSONAL SHOP NOTES:
If your clock loses two minutes per day [24 hours] and the indicator hand points to number 8 on the disk - move the disk in the direction of the arrow marked F until the indicator hand will point to number 1.
NOTE:
Before attempting adjustments to the regulator disk, first lock the pendulums by using the lever located on the front of the base. By so doing, you will avoid damage to the delicate suspension wire while turning the regulating disk.
Keep A Regulation Record:
Keeping a short Record of regulation and maintenance on your clock will make it much easier for you to keep it well with in its optimum time-keeping ability. We have found that using the guideline below helps.
Date: +/- in min: How much adjust in Degrees +/-: Personal Notes:
We recommend logging only the times the clock was wound, and any time the clock is regulated or reset.
Times of regulation will include any time the clock has exceeded a 3 to 5 minute error.
Use only ONE form of time references for this, a QUARTZ clock that is known for keeping good time is recommended.
Over time you may find the clock needs only slight regulation; for example, if it has run for approximately 3 weeks and the error rate is under 3 minutes adjust regulator only slightly or simply RE-set.
TEMPERATURE and SEASONAL CHANGES
Temperature fluctuation can affect the time-keeping abilities of your clock.
Never allow direct sun light to come in contact with your clock. This will over heat the clock and it will not only affect the time-keeping qualities, but also dry out the oil and cause premature servicing requirements.
SPECIAL NOTES: REGULATION TENDENCIES
It is very difficult to look at the hands of an analog clock and still determine if the clock is running correctly, therefore I recommend allowing the time error rate on the clock to remain UN-touched until the error rate has exceeded + or - 3 to 5 minutes. This is because 1 minute is very difficult to observe and calculate effectively.
One little known fact about the Rotating Regulator: After the clock is restarted it can take up to 3 or 4 hours for the pendulum to settle down into regular beat rate. Example: If the pendulum is under rotated the clock will run fast and will take some time to bring it up to speed. If over rotated it will run slow. RECOMMENDATIONS ARE: Look at the actual clock time and reset it as closely as possible to real time after the clock has run for about 3 to 4 hours but don't disturb the pendulum. ONLY RESET THE CLOCK IF the actual clock time is off by 1 or 3 minutes.
If you must reset the clock every 3 to 4 weeks, and it is FOR EXAMPLE always slow, Slightly RE-Regulate the clock to compensate for this rate of error. Simply reset the clock several times just to make sure that no mistakes are made.
Calculating how much to turn the regulating nut on the rotating pendulum by using the following calculations.
Link to data base located at http://antiqueclock.clockstop.com/Regulate.html

Hope this tip helps.
r/David
on Feb 17, 2010 • Watches

How do I adjust the clock when it's running slow?

If your cuckoo runs too fast or slow, the best way to correct this problem is to set your cuckoo to an accurate watch or clock. After 24 hours, record how many minutes your cuckoo is running too fast or slow. Then adjust the bob up or down the pendulum stick to change the pendulms effective length. You'll need to take an educated guess as to the distance. Reset the cuckoo minute hand time to your watch or clock again. Repeat this process every 24 hours, recording the results, and readjusting the bob until you are within 3 minutes of the correct time. Then, switch from recording every day to recording every week. Use the same process described, recording the time difference, adjusting the bob up or down every week, until the cuckoo is accurate within approximately 3 minutes per week. Remember, mechanical cuckoo clocks are not as accurate as quartz or electric clocks! A three minute error per week is not bad. Maybe you can do better. What you are attempting to do is to obtain is the best timekeeping possible from your cuckoo clock. Afterwards, you will still need to sychronize the cuckoo (coo coo) clock minute hand to an accurate clock or watch, each week or as desired.
Feb 14, 2016 • Audio Players & Recorders

Polaris grandfather clock runs slow need to adjust time up

You have to adjust the bob on pendulum. If the clock is slow, the bob on the rod must be pushed up. If the clock is fast, the bob must be pushed down. Do adjustments bit by bit, day by day till the clock is keeping time. If all this does not work, you may need to replace suspension spring (if there is any). If there are no suspension spring, the clock may need proffessional attention.
..
Nov 17, 2012 • Watches

My timer is loosing approximately 3 hours a week.

If I understand correctly, you have a box-type timer.
The brand of the timer could be Intermatic timer or another brand.
The timer has a dial
The timer dial is not keeping up with current time.
The timer functions correctly otherwise and turns the Load on-and-off.

There are a few reasons that can cause this.
1) The clock motor is bad, and needs to be replaced.
-Answer back with the brand and model of timer and we can look up a source for your specific voltage clock.
2) The gears are rusty and dirty
-Turn off power and lift mechanism out to inspect condition.
-The timer is bad and needs to be replaced.
-With some timer models, you can buy new timer and swap insides without changing box.
-Answer back with brand and model if you need help locating replacement.
3) There is a power interruption, for example a loose wire or bad breaker.
-If the clock is off by 3 hours exactly each time, then power interruption is NOT the best suspect.
-If the clock is off 3 hours this week and 1 hour next week, then electric problem is a better suspect.
-If the timer clock does not have power, it stops running
-If there is a loose wire at the timer then clock may stop now and then
-If there is a loose wire at the breaker or a loose wire somewhere between breaker and timer, then clock could run slow.
-If breaker is loose on the busbar, then there would be a burned smell inside the breaker box

P105-56014> clock runs slow.> This is a daily problem> when I start up it will be on yesterday's date.> I reset the time and date and the clock runs slow. I set it 3 hours ago and it is 90...

No
the clock is not running slow. Double click your clock.You will see three tabs: Date&time, Time Zone, Internet Time.
click internet time and you will see tick mark on internet. remove it by clicking on it
If grayed out , reset your time and date

My Ge Mechanical Time Switch (Model number 15087) is losing time. Is there any way to adjust the timer so that it keeps correct time?

There is no adjustment if timer clock is running slow.
Timer clock motors run slow when the motor starts to fail.
There are no replacement clock modules this timer.
Buy a new timer at Home Depot, and swap out insides of timer using 1/4" hex nut driver, and then return defect timer in new box.
http://waterheatertimer.org/GE-timers-and-manuals.html#15207

Clock and timer on Whirlpool GH7155XHS micro/hood are running slow. Clock loses about 10min/hr and kitchen timer countdown is slow.

I've just fixed a very similar problem with a 10-yr-old NEC microwave oven.

Disconnect AC power, take the top cover off, go through the unit and tighten all screws, particularly those connecting ground wires to the chassis and those fixing major components like the power transformer and magnetron to the chassis.

I inherited a grandfather clock which runs slow

You have to adjust the bob on pendulum. If the clock is slow, the bob on the rod must be pushed up. If the clock is fast, the bob must be pushed down. Do adjustments bit by bit, day by day till the clock is keeping time. If all this does not work, you may need to replace suspension spring (if there is any). If there are no suspension spring, the clock may need proffessional attention.

Mar 23, 2009 • Watches

RCA RP5435B SN.1A006J255A0594-Clock running slow

Most of the Radio clocks by RCA are meant to be used with 60Hz AC line. This problem will not go away unles you can get a custom built 60 Hz AC power supply, may prove to be too expensive for the clock.
Sep 20, 2008 • RCA RP5430 Clock Radio

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