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6.7 Replace the Battery
Note:
Use only batteries recommended by Laerdal.
1. Open the Battery Door.
2. To remove the battery, push and move it
slightly to the left and then release.
3. Withdraw the battery from the LSU.*
4. To insert a battery, push it fully in and then
to the right to lock it.
5. Close the Battery Door.
6. After inserting the battery, place the LSU on
charge unless a fully charged battery
is inserted.
*When you discard the battery, dispose of safely in
accordance with local protocols for sealed lead acid
batteries.
6.8 Fastening brackets
The fastening bracket is used to hold the LSU in
the optional wall bracket. Inspect the fastening
brackets for wear and tear regularly.
Replace if worn. See section 8.
6.9 Release arm for Canister holder
An extra release arm for the canister holder can
be attached. See section 8.
7 Device test
The Device test is user initiated test program for
all models which can identify whether the LSU
operates satisfactorily or if the LSU needs
service.
The program runs 4 different tests:
1 It tests for occlusions in the Suction System
(including canister and tubing)
2 It tests the vacuum build-up efficacy of the
Pump System (How much vacuum is built up
within 3 seconds)
3 It tests the maximum achievable vacuum level
of the LSU (reaches this level within
10 seconds)
4 It tests if there are air leakages in the Pump
System (including canister and tubing)
7.1 Setup
Before the test can be performed
make sure that:
- The Patient Suction Tubing is unwound and
not blocked or bent
- The Suction Catheter Adapter is removed
from its holder (if applicable)
- The canister lid,T-bar, angled connector
and tubing are securely fastened.
7.2 Run the Test
1 Press and hold the TEST-Button while setting
the Operating Knob to 500+ mmHg.
Note: Do not release the TEST-Button until min.
2 seconds after the Operating Knob has been set
to 500+ mmHg. The test will start immediately
Fastening
brackets
