AIR INJECTOR REACTOR SYSTEM 6T 2 i The Air Injector Reactor A I R System fig 1 con to the exhaust port areas and prevents backfiring during sists of the air injection pump with necessary brackets this rich period 3 lld drive attachments 8 if l j Ctl0 tubes 0116 f01 3 Ch The check valves prevent exhaust gases from entering cylinder valves two cheek valves a pressure relief and damaging the an injection pump as back new can valve 3 Ild tI lb S Bild hoses I l C SS I y to COIlIl Ct th Occur gvgn under nOrrn3 Operating OndjtiOn5 various components The pressure relief valve located in the right tube re Carburetors and distributors for engines with the Sys lieves any excess pressure of the air injection pump tem are designed particularly for these engines there When properly installed and maintained the A l R fore they should not be interchanged with or replaced by a System will effectively reduce exhaust emissions How carburetor or distributor designed for an engine without ever if any A I R component or any engine component the A l R System that operates in conjunction with the A l R System should The air injection pump fig 2 picks up fresh filtered malfunction the exhaust emissions might be increased air from the air cleaner compresses the air and injects Because of the relationship between Engine Tune Up it through the tubes and injection tubes into the exhaust and Unburned Exhaust Gases the condition of Engine valves The fresh air ignites and burns the unburned Tune Up should be checked whenever the A I R System portion of the exhaust gases in the exhaust system thus seems to be malfunctioning Particular care should be minimizing exhaust contamination taken in checking items that affect fuel air ratio such as The diverter valve fig 3 when triggered by a sharp the crankcase ventilation system the carburetor and the increase in manifold vacuum shuts off the injected air carburetor air cleaner PUMP pUMp COVER H s e OUTLET N I l I R j Q l i T i e it i i i T i VE I sisi a I rs l xl g V4 I HH AIR OUTLET QT ii ng Tl e I 701 I J INLET T Qtr L 4 DIAPHRAGM ws SIGNAL we DRIVE l I ASSEMBLY Q CONNECTION HUB f S i S y r E VV llll i y PRESSURE I T i T E VALVE IN OPEN POSITION OUTLETS TUBE Fig 2 Air Infection Pump Fig 3 DlV l t l V Ive DRIVE BELT Distortion of the housing will result in extensive I damage to the Air Injection Pump nspechon Inspect drive belt for wear cracks or deterioration R P 9m and replace if required Loosen idler pulley bolts then swing idler pulley Inspect belt tension and adjust if below 50 lb using a until drive belt may be i m0V i strand tension gauge Install a new drive belt and adjust as outlined above Adjustment Loosen idler pulley bolts then move idler pulley DRIVE PULLEY until belt is tight 55 1 5 lb used belt or 75 ct 5 lb Replacement new bei nsing ii Strand tension gauge and tighten Remove drive belt as outlined above then replace idler pulley bolts drive pulley CAUTION Do not pry on the pump housing Install and adjust drive belt as outlined above CORVAIR SHOP MANUAL SUPPLEMENT