TM 9-2320-361-20 Section Il. VAN BODY PRIMARY AND SECONDARY HEATER KIT MAINTENANCE 14-24. VAN BODY PRIMARY AND SECONDARY HEATER KIT MAINTENANCE INDEX PARA. NO. TITLE PAGE NO. 14-25. 14-26. 14-27. 14-28. 14-29. 14-30. 14-31. 14-32. 14-33. 14-34. 14-35. 14-36. Primary Heater Fuel Pump Replacement Primary Heater Fuel Pump Cover Replacement Primary Heater Fuel Filter Replacement Primary Heater Fuel Lines Replacement Primary Heater Fuel Shutoff and Coupling Replacement Primary and Secondary Heater Exhaust Tube Replacement Primary Heater Air Inlet Duct Replacement Primary Heater and Duct Replacement Primary and Secondary Heater Switches Replacement Primary Heater Auxiliary Duct Replacement Secondary Heater Fuel Lines Replacement Secondary Heater and Duct Replacement 14-36 14-38 14-39 14-40 14-44 14-46 14-47 14-48 14-52 14-54 14-55 14-56 14-25. PRIMARY HEATER FUEL PUMP REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS EQUIPMENT CONDITION M109A3 and M185A3 Parking brake set (TM 9-2320-361-10). MATERIALS/PARTS Pump cover removed (para. 14-26). Battery ground cable disconnected (para. 4-48). Antiseize tape (Appendix C, Item 27) GENERAL SAFETY INSTRUCTIONS REFERENCES (TM) Keep fire extinguisher nearby when working with TM 9-2320-361-10 TM 9-2320-361-20P open fuel lines. 14-36