TM 9-2910-226-34 3-49 Metering and Distributing Pump Conversions. Recommended Pump conversions are permissible only if parts for replacement are not available. Parts removed or replaced should be appropriately tagged and returned to stock. Figure 3-161. Installing fuel supply pump assembly. Section V. TESTS AND ADJUSTMENTS 3-50. General. a. The metering and distributing fuel controls, refer to figure 3-162. Detailed description injection pump with density compensator must be and operation instructions of the fuel injector pump tested and adjusted on a fuel pump tester. For tester (test stand) are provided in TM 9-4910-387-12, identification of this tester, its connections and which accompanies the stand. 3-91