English186.8 Fastening bracketsThe fastening bracket is used to hold the LSU inthe optional wall bracket. Inspect the fasteningbrackets for wear and tear regularly.Replace if worn. See section 10.Fasteningbrackets6.9 Release arm for Canister holderAn extra release arm for the canister holder canbe attached. See section 10.7 Device testThe Device test is a user initiated test programfor all models which can identify whether theLSU operates satisfactorily or if the LSU needsservice.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 thePump System (How much vacuum is built upwithin 3 seconds).3 It tests the maximum achievable vacuumlevel of the LSU (reaches this level within 10seconds).4 It tests if there are air leakages in the PumpSystem (including canister and tubing).7.1 SetupBefore the test can be performed make sure that:• The Patient Suction Tubing is unwound andnot blocked or bent.• The Suction Catheter Adapter is removedfrom its holder (if applicable).• The canister lid, T-bar, angled connector andtubing are securely fastened.