2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 145Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 145

500 EFI FUEL SYSTEM Air Control Body Removal and Disassembly 1Remove the seat and loosen the air control body clamps2Remove
slideInstall the diaphragm cover and screwsTighten sufficiently4Insert the assembly onto the connection tube leading to the
throttle body5Install the air box and connection tube6Tighten the air control body clamps and air box screws sufficiently
Air Solenoid Valve TestReplacement 1Remove the seat2Locate and disconnect the air valve tubes and connector from the harnessRefer
to the system overview illustration3Test the valve by trying to blow low-pressure air though the valveThe valve should be
closed and not allow any air passage4Test the valve by applying 12 Vdc power source to the solenoid connectorThe valve should
allow air to passSolenoid Replacement: 5If the solenoid fails steps #3 or #4, remove the air valve from the bracketPay attention
to the wire routing while removing the solenoid valve6Install new valve onto the bracketTighten the screws sufficiently7Follow