Philips HEARTSTART XLT M3500B - Manual (Page 130)

Removing & Replacing the Carrying Case
11-16 Maintaining the HeartStart XLT
To put the carrying case on the HeartStart XLT, follow the steps 1 through 7 in
Figure 11-5.
Slide the unit into the case as shown in step 1, then lower it onto the two metal
pins at the rear of the case before tightening the screws (step 2).
Figure 11-5 Putting the Carrying Case On