The operation procedure of this tool can be broken down into four parts: Preparing for sampling, Downhole operation, Extracting the sample, and cleaning and maintenance.
Preparing for Sampling
Remove the following components
Bull nose Clock housing
2. Open the valves
First by depressing the lower spring(Fig. 3) followed by pressing a small tool into the small hole at the top end of the tool to overcome the top spring(fig. 4). You will hear a small click when the valves are locked open. After the valves are locked open the springs will be almost fully depressed(fig. 5, 6). Remember the lower valve must be opened first!
fig. 3 
fig. 4 
fig. 5 
fig. 6
3. Program the clock
Be very careful when handling the clock as it is the most delicate piece of this tool and will need to be sent away for re-calibration if broken. Press the top of the timer down towards its body and rotate it so that the desired time is aligned with the mark on the frame(fig. 8). Be careful not to go too far as it cannot be turned back. You will have to wait.
Unscrew the top cap from the clock housing(fig. 7). Now you may place the clock into the clock housing with the time drum toward the bottom(fig. 9).
fig. 7 
fig. 8 
fig. 9
4. Assembly
Install the top cap, the bull nose, and clock housing complete the tool installation. A bump when installing the clock housing may cause the valve release to be triggered and they will need to be re-opened. The clock will then also need to be re-set unless you have enough wiggle room in the timing. Now slide on two centralizers spaced out along the tool with a tightening ring on both sides of each to lock them in place(fig. 10).
The tool is now ready to be connected to the core line and sent down hole.