CMi HERMLE WO791.081 User manual

PROCEDURE
The instructions tendered in this document are intended to aid you in the setup and operation of a
130.070 movement. It is recommended that you assemble and adjust the operation of the movement
before installation. Using a timber blank follow the instructions below to establish the correct
operation of the timepiece.
(See dimensions and adjustments)
1. Fix the Movement in position
2. Install the Pendulum
3. Check clearances and operation
4. Install Hands
When you are satisfied that the movement is fixed securely in position and that the pendulum is
fitted correctly you may start the adjustment procedures listed below.
Automatic Beat Adjustment:
To begin start the pendulum swinging.
When the Pendulum is swung wider than its normal working distance the Pallet
(on top of the movement) will slip on its shaft as the exaggerated swing reduces the Pallet ceases
to slip remaining in a new centrally fixed position.
The result is a balanced period of time marked by the swing of the Pallet and the audible TIC..
TOC.. produced as the Escapement heel turns.
Note: After performing this adjustment the distance from the center to the
TIC should be the same as the distance from the center to the TOC.

Manual Beat Adjustment:
In cases where the swing of the Pendulum is restricted you will have to adjust the Anchor Lever
manually.
The Anchor Lever is attached to the shaft holding the Pallet. The two are held in position by a
friction bush. If the Pallet is held still the Anchor Lever's position on the shaft can be adjusted
manually. The relationship between the Pallet and the Anchor will require many small adjustments
over an extended period of time. The adjustment is completed when the Anchor Lever swings
continuously and with an even beat.
Note: A correctly adjusted movement will run smoothly and continuously
producing a balanced and familiar sound. Poorly adjusted movements
seldom run for very long and produce notably different sounds.

Adjusting The Strike Hammer:
The position of the Strike Hammer and the angle at which it strikes the gong is crucial to the
production of a quality resonant tone take care when positioning the Strike Hammer that it does not
foul any part of the Crutch Pendulum or Post either at rest or during its Strike action. The hammer
head should rest approximately 2 – 3mm above the Gong to prevent any unwanted damping of
sound.
Note: Consider the action you must take before bending the Strike Arm and
use tools to shape corners rather than fingers to bend curves.
Automatic Synchronization:
The Striking of the hour and ½ hour is determined automatically by the movement the movement
must run for a minimum of one hour after any manual adjustments or stoppages are made before the
Synchronization is completed
Note: Run the movement for a few hours and count the number of strikes
Adjusting Hand Position:
The Hour Hand has a round bush and is a push fit onto the movement it can be adjusted to any
position on the dial. The Minute Hand has a square bush and can be installed in four positions only
one of which is correct. (¼ ½ ¾ or 1 hour)
After the movement has run for up to 2 hours note the next hour to be struck. (IE: If the movement
strikes 2 o'clock) and reposition both hands accordingly.
Note: The movement must be running and chiming correctly before
you attempt to install the hands.

Adjusting Pendulum Length:
At the base of the Pendulum is an adjustable nut on a long thread.
The length of the Pendulum can be varied by turning the nut in one direction or the other. It is best
to make small adjustments (a few turns only) when starting and to reduce the number of turns used
as the accuracy of the timepiece improves from minutes to hours and on to days and weeks. It may
be necessary to make this adjustment every few weeks to maintain accurate time keeping.
Note: The length of the Pendulum determines the speed of the clock..
(Longer = Slower / Shorter = Faster)
Installation:
To locate the exact position for mounting use the Center of the case width as a reference for the
center of the Dial . Adjust the position of the dial up or down to suit case height or door position.
Follow the instructional diagrams in this booklet to locate the positions.
Provided you were successful in following the instructions and procedure outlined in this booklet
you will now be familiar with the operation of your timepiece.
Install the movement to you completed timber case and repeat (if necessary) the steps already
practiced for ensuring the correct and accurate operation of your Timepiece
Maintenance:
Provided with your clock movement is a small bottle of special High Grade Superfine Synthetic
Clock Oil.
Oiling is a simple matter but it cannot be done without removing the dial and taking the movement
out of the case. Every pinion hole must be oiled with one drop of oil and any excess of oil must be
wiped away when finished.
It is recommended that your movement be oiled and if necessary cleaned every 4 / 5 years (More
often for Coastal Areas due to salt build up and corrosion) regularly service movements will
function perfectly for many years......
Note: Check the operation of your timepiece at regular intervals inspect all
surfaces and pinion bearings for dust dirt corrosion and wear.