20. EXHAUST EMISSION CONTROL SYSTEM PEOPLE/PEOPLE S 250 Secondary Air Cleaner / A.I.C.V. SECONDARY AIR CLEANER / AIR INJECTION CUT-OFF VALVE (A.I.C.V.) REMOVAL Remove the seat. ( 2-4) Remove the body cover. Disconnect the secondary air cleaner /(A.I.C.V) connecting tube. Vacuum Tube Air Outlet Tube INSPECTION Inspect the air injection cut-off valve flow Air Outlet Tube using a vacuum pump. If the flow is not within the specified values, replace with a new one. The flow should be at least 30 liter/min when a vacuum of 250mm/Hg is applied. The flow should be at least 1.6 liter/min when a vacuum of 320mm/Hg is applied. Check each connecting tube for cracks or damage and replace if necessary. INSTALLATION The installation sequence is the reverse of removal. Air Inlet Tube Vacuum Tube · The secondary air cleaner must be assembled and installed properly to avoid dust entering the air cleaner. · When installing, be careful not to bend or twist the tubes and check for proper installation. · The tube length is very important to its performance, use the tube of same specification for replacement. 20-3