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<- Exhaust System Service Manual SM-1046 August 1971 Exhaust Emission Control System Dauntless V6 Engine ->
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ee p UNIV E RSAL SERIQEEQEYICE MANUAL EXZIHLHUEIT EMISSION CONITROL SYSTEM Contents HURRICANE F4 134 ENGINE SUBJECT PAR SUBJECT PAR GENERAL F1 1 Air Pump Fl 17 Carburetor Air Cleaner F 1 18 AIR PUMP F1 2 REMIOVAL PROCEDURES I 1 19 PUMP AIR FILTER F1 3 Air Pump Fl 2O Anti Eiackfire Diverter Valve F1 21 AIR DELIVERY MANIFOLD Fl 4 Am Distribution jjv amfOjd AIR INJECTION TUBES W I i I I F1 5 And Air Injection ubes I 1 22 IZ r I D I IP ENT F1 23 ANTI BACKFIRE DIVERTER VALVE F1 6 F EQU RE EQ I M REPLACEMENT PARTS F1 24 ENGINE COMPONENTS F1 7 VVAPRANTY F1 25 Carburetor F1 8 I Distributor FI 9 I F F1 26 Exhaust Manifold F1 10 A JNOSIS GUIDL I i IVIAINTENANCE CHART F1 27 MAINTENANCE F1 11 Carburetor j f7 2 5 1 13 CARBURETOR SPECIFICATIONS I 1 28 Distributor n r R wp If1 29 Anti Backfire Diverter Valve F1 15 D R I BUTO S JC I C O Check Valve F1 16 SPARK PLUG GAP Fl 30 FI I GENERAL F4 I34 Erugine manifold Its function is to prevent the reverse flow The Hurricane F4 134 engine Exhaust Emission 0f Xh l t g ses IO thi Pump Should the Dum Control System Consists Of gl belt dlrivjen ml pump drive fail Thrs reverse flow would damage the air which directs compressed air through connecting Pump and Comwctmg hose hoses to a steel distribution manifold into stainless steel injection tubes in the exhaust port adjacent F1 5 A R N E T OM TUBES to each exhaust Valve stem ll 15 ml Wllh llls lm mm The air injection tubes of stainless steel are inserted Oxygen eemene reacts Wlth me llet bm me m into machined bosses of 1 he exhaust manifold The pletely eumed exhaust gases and Pelmlts fulmel tubes project into the exhaust ports directing air eembustlell m me exhaust perl Ol mamlOld into the vicinity of the exhaust valve stem Fl 2 PUMP FI 45 ANITI BACKFIRIEE DIVERTER VALVE The air injection pump is a positive displacement T B ba kf d rt 1 t vane type which is permamhtly lubricated and E tl C we leve Bl V Ve Plevm S g Fl requires no periodic mgimemmcel backfire by briefly interrupting therair being in The pump contains an integral relief valve which geelfeij life the emlaelmt lQ l l l durmg pemeds of controls the air supplied to the engine exhaust ports ece ere len repu IO e C 0Sure during high speed operation to limit maximum ex I haust System t mpB1 atuf S FI 17 EINGINE COMI ONENTS The following items vary in design or specifications F 3 pUMp Am ER from those on vehicles not equipped with the Ex The air filter attached to the pump is a replaceable heulst Emlsslen Cemlrel System element type constructed of czonventional pleated paper with steer end plates FI 3 b r r The filter should be replaced every 1 2 000 miles A carburetor with a specific flow characteristic is 19 200 km under normal conditions or sooner used for exhaust emzissiori control under adverse weather or dlriving conditions A carburetor dashpot is provided to control the tlrrottle closing speed FI 4 AIR DELIVERY MANIF Z I D The air delivery manifold constructed of cold FI 9 I D I b I rolled steel with a zinc plating distributes the air The ignition distributor used with the exhaust from the pump to each of the air delivery tubes emission system requires a different advance curve in a uniform manner frorn that used on the F4 134 engine prior to the A check valve is attached to the air delivery introduction of exhaust emission systems 143