Product data
Cover
Note: Unless you have a particular reason to do so, do not switch off the using system
or the 2104 when removing, opening or closing the cover of the 2104.
The 2104 Model DU3 has no covers. The 2104 Model TU3 has only a front cover.
To open and, if required, remove the cover:
Step 1. Ask the customer for the key to the cover.
Step 2. Refer to Figure 21.
Step 3. Insert the key into the lock 1, and turn the key counterclockwise.
Step 4. The cover is pivoted on its left-hand side, and is held closed by clips. Pull
strongly on the right-hand side of the cover to release it from the clips.
Step 5. If you want to remove the cover, refer to Figure 22 on page 69.
Figure 21. Opening the Front Cover of a 2104 Model TU3
68 2104 Service Guide