How to open your Chronoscope
In order to fix your Chronoscope you’ll need to open it, this can be done via the following steps:
- Remove the two large screws as well as the Pinch Bolt and Nut.
- After taking off the back of the case slide off the two metal sun filters.
- Remove the battery stack.
- Unscrew the four small screws holding down the circuit board.
- Pull the circuit board free, this might be stiff so just tug it firmly.
- Remove the remaining sun filters.
- If needed cut the u-section around the sensors, slide it away to remove.
How to change an optic
Damaged optics is a common error, if you think you have this problem and can repair it yourself just follow these steps. You’ll need a soldering iron, a cutting tool, a solder sucker and a pair of forceps.
- Snip the damaged optic with a cutting tool.
- Heat the solder holding the optic and suck it away to remove.
- Hold the exposed wire with a pair of forceps and heat the solder.
- Pull gently to remove.
- Once the wires are clear, reheat the solder and clear it from the hole.
- Push the new optic into place, make sure the bumpy side faces inward.
- Melt fresh solder over the pad to fix it in position.
How to Close your Chronoscope
Once you’ve repaired your Chronoscope you’ll need to put it back together again:
- If required slide the u-section back over the clear optics, then push the black optics into the holding with a firm click.
- Place the sun filters back over the optics.
- Push the circuit board back in the case.
- Screw the four small screws, don’t over-tighten as this will damage the case.
- Replace the batteries.
- Put the back of the case back on and screw the two large screws in.
- Replace the Screw Bolt and Nut.
- Check that the optics are fitted snugly in line, if not, push them gently into place.