ENGINE 6 4 2 Repeatedly rotate cross shaft toward open throttle CARBURETQR ADJUSTMENT checking that all carburetors are operating simultaneously The recommended adjustment procedure for Air Injec 3 Insert a 250 gauge between base of thi Vafiuum tion Reactor System equipped engines is as follows diaphragm ahd th choke shaft aClIL1atlI1g lever Op ll AS 3 preliminary adjustment turn idle mixture the choke shaft until the actuating lever contacts the Screws iightiy tO Seat and then back out 3 tumS 250 gauge and bend the tang on the secondary carburetor so that it touches choke shaft and fully opens choke The lock out lever should clear throttle CAUTION Do not turn idle mixture screw lever tang fig 4 tightly against seat or damage may result HORSEPOWER 95 110 140 COMPRESSION 130 psi Make SPARK Number Standard AC 44FF AC 44FF AC 44FF PLUGS Gap 035 030 030 D Point Dwell 31 34 I S Point Gap 0l6 Used 019 New T R Arm Spring Tension l9 23 ounces I B Condenser 18 23 microfarad U T Syn 6 B T D C 4 B l D C 4 B l D C O Timing R Auto 14 B T D C 12 B T D C 4 B T D C Blower Belt If below 40 set to 55 4 5 lbs Used 75 gt 5 lbs New Air Injection Belt If below 40 Set to 55 4 5 lbs Used 75 ge 5 lbs New A C Comp Belt If below 80 set to 95 ee 5 lbs Used 140 4 5 lbs New AIR CLEANER Oil wetted paper VALVE LASH Hydraulic 1 turn down from zero lash IDLE Syn 700 700 700 FUEL Pressure 3 1 2 5 lbs Idle 1 000 rpm PUMP Volume 1 pint in 30 45 seconds CRANKCASE Service Period 12 000 miles VENTILATION orinee Size 062 CD At cranking speed throttle wide open Maximum Variation 20 pounds between cylinders At idle speed with vacuum advance line disconnected and plugged PAPER ELEMENT Check at 12 000 miles replace at 24 000 miles OIL BATH Change oil at regular engine oil change intervals Air Conditioned Vehicles Set idle speed with A C turned off CORN AIR SHOP MANUAL SUPPLEMENT