TM 9-2320 -209-20-3-1 TABLE OF CONTENTS-CONT Paragraph Page Manifold Heater (Top-Mounted, Uncovered) Ignition Unit Removal and Replacement . . . . . . . Preliminary Procedures . . . . . . . . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . . . . Manifold Heater (Top-Mounted, Uncovered) Spark Plug Removal and Replacement (Trucks with Engines LDS 427-2 and LDS 465-1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preliminary Procedure . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manifold Heater (Side-Mounted) Fuel Filter Removal and Replacement . . . . . . . . . . . . . Preliminary Procedure . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . . . . Manifold Heater (Side-Mounted) Spark Plug and Nozzle Removal and Replacement . . . . . . . . . Preliminary Procedures . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . . . Engine Manifold Heater Removal and Replacement (Trucks with Engines LDS 427-2and LDS 465-1). . . . . . . . . . . . . . Preliminary Procedure . . . . . . . . . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . Manifold Heater Fuel Pump Removal and Replacement (Trucks with Engines LDS 427-2 and LDS 465-1) . . . . . . . . . . . . . . . . . . . Preliminary Procedure . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . Replacement. . . . . . . . . . . . . . . . . . . . . . . Manifold Heater Electric Fuel Supply Pump and Fuel Filter Removal and Replacement . . . . . Preliminary Procedures . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Replacement. . . . . . . . . . . . . . . . . . . . Engine Manifold Heater Pump Lines and Fittings Removal and Replacement (Trucks with Engines LDS 427-2 and LDS 465-1) . . . . . . Preliminary Procedures . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . . . . Manifold Heater Nozzle and Valve Assembly Removal and Replacement . . . . . . . . . . . . Preliminary Procedure . . . . . . . . . . . . . . . . . . . . Removal . . . . . . . . . . . . . . . . . . . . . . Replacement . . . . . . . . . . . . . . . . . . 4-13 4-13a 4-13b 4-13c 4-14 4-14a 4-14b 4-14c 4-15 4-15a 4-15b 4-15c 4-16 4-16a 4-16b 4-16c 4-17 4-17a 4-17b 4-17c 4-18 4-18a 4-18b 4-18c 4-19 4-19a 4-19b 4-19c 4-20 4-20a 4-20b 4-20c 4-21 4-21a 4-21b 4-21c 4-73 4-73 4-73 4-74 4-75 4-75 4-75 4-76 4-77 4-77 4-78 4-82 4-86 4-86 4-86 4-87 4-88 4-88 4-89 4-91 4-94 4-94 4-94 4-96 4-98 4-98 4-98 4-100 4-102 4-102 4-102 4-111 4-121 4-121 4-121 4-122 v