THROTTLE CONTROL ACTUATOR

TM-5-3825-229-14P Distributor Water Self-Propelled 2500 Gallon Capacity Sectionalized and Non-Sectionalized Models 613BWDNS Manual
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TM 5-3825-229-14&P 4-54. THROTTLE CONTROL ACTUATOR THIS TASK COVERS: a. Adjustment c. Installation b. Removal INITIAL SETUP: Equipment/Materials Required: Tools Required: Tags (Item 14, Appendix E) Nomenclature: Equipment Conditions: General Mechanics Ref Conditions Tool Kit 4-56 Engine door removed. 2-20 Engine running for throttle control adjustment. 2-22 Engine off for throttle control removal and installation. a. Adjustment. (1) On control panel, press speed switch down and hold until engine runs at lowest speed. (2) To set idle speed, remove nut (1) and screw (2) from actuator shaft (3) and throttle lever (4). (3) Loosen locknut (5) on actuator shaft (3). (4) Turn actuator shaft (3) clockwise to reduce idle speed, counterclockwise to increase. Use half turns (1800) to assure that actuator shaft (3) always lines up with throttle lever (4). (5) Install and secure actuator shaft (3) to throttle lever (4) with screw (2) and nut (1). (6) Tighten locknut (5). CAUTION Do not start pump engine unless distributor pump is primed. Refer to para. 2-16 to prime pump. (7) Operate engine and check engine speed. Repeat steps 2 through 5 to obtain correct speed. b. Removal. (1) Tag and remove wires (1) from actuator motor by sliding wire lugs off of motor tabs. (2) Remove nut (2) and screw (3) from actuator shaft and throttle lever (5). (3) Remove screw (6) and nut (7) holding throttle actuator (4) to bracket (8). Remove actuator assembly (4). 4-116

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