Omitec OmiSmoke Operating Instructions Manual
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Contents
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Test Procedures20MOT FAS Test ProcedureBefore carrying out a MOT FAS test or any other FAS test, the engine mustfirst be verified safe and sound to proceed, and be running at normaloperating temperature. See section ‘Preparation of Vehicle Prior to Tests’for suggested full checks.The MOT FAS TEST is a procedure that follows the statutory requirements of theDiesel Exhaust emission test as described in the current Vehicle and OperatorServices Agency Inspection Manual, and is approved for testing the following:The MOT FAS test also offers Reduced Pollution Certificate (RPC) testing within theCategory B menu.The OmiSmoke will measure the Free Acceleration Smoke (FAS) output over thewhole speed range of an engine (no load from idle up to cut-off speed) where theengine is accelerated against its own inertia.A schedule of up to 6 accelerations will be prompted, leaving a gap of 10 secondsbetween each. The engine should be at idle before the start of each test.The OmiSmoke will automatically calculate a Pass or a Fail and print the result.From the Main Menu, the operator can select which test is required, by scrolling downthe menu using the up and down buttons, and confirming the selection by pressingthe tick key.(a) Car and Light Commercial Vehicle testing (Class II, IV & VII) CAT A(b) Private bus testing (Class V) CAT B(c) Public Service Vehicle (Class VI) CAT B(d) Heavy Goods Vehicle CAT B(e) Single Vehicle approval CAT A |
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