2.1.2.2 Engine.Refer to Figure 2-4 and Table 2-4.ItemNumber12345Figure 2-4.Model 609-C Engine Controls and Indicators.Table 2-4.Description of Model 609-C Engine Controls and Indicators.DescriptionOil Filler CapDipstickCOLD START AIDAUTO DEFEATMANUAL THROTTLEFunctionPrevents entry of foreign matter into enginecrankcase.Remove to add engine oil.Used to check oil level.Dipstick has an add mark anda full mark.Add oil when engine oil level falls toor below the add mark.Do not fill above full mark.Used to start engine in cold temperatures. Isconnected to a bottle of starting fluid (ETHER) stowedon the engine compartment.Handle is pulled to SET(load starting fluid into) the system. Once set,pushing the handle will inject the starting fluid(ETHER) into engine cylinders.Used to disable governor system when manual engineoperation is desired.Used to control engine speed when THROTTLE SELECTSwitch (Figure 2-3,12) is in MANUAL position.2-7TM 10-4320-344-10
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