Figure 7-32. Injection Pump - TM-5-6115-585-34

Figure 7-30. Crankshaft Bearing Installation - TM-5-6115-585-34_135

TM-5-6115-585-34 Generator Set Diesel Engine Driven Tactical Skid Mtd 5 KW 1 Phase 2 Wire 1 Phase-3 Wire 3 Phase-4 Wire 120 120/240 and 120/208 Volts Manual
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TM5-6115-585-34 NAVFAC P-8-623-34 TO-35C2-3-455-2 TM-05684C/05685B-34 (14) Refer to paragraph 7-8 and install alternator stator. (15) Refer to paragraph 7-7 and install blower wheel. (16) Refer to paragraph 7-9 and install cylinder heads. (17) Refer to Operator and Organizational Maintenance Manual and install blower housing. 7-18. FUEL INJECTION PUMP. a. Removal (see figure 7-32). On ASK equipped generators, refer to Operator and Organizational Maintenance Manual and remove top panel end right panel assemblies. (1) Snap off governor linkage from injection pump (l), and governor control arm and remove linkage. Figure 7-32. Injection Pump (2) Refer to paragraph 7-2 and disconnect inlet and fuel return lines from pump. Tag and disconnect high pressure lines at injector nozzle end at injector pump. . NOTE All fuel connections must be plugged or capped to prevent contamination. 7-30 Change 6 (3) Remove four hexagon nuts (2, figure 7-32), lockwashers (3), and flatwashers (4) holding pump (1) to crankcase and lift pump off crankcase. Be careful to retain the shims (5) between the crankcase and pump. The correct thickness of shims as stamped on the crankcase is important to proper pump operation; it provides the proper gear lash. This thickness does not change when a new pump is installed. It changes only when a new cylinder block is installed. To calculate new shim thickness measure between camshaft and engine block pump mounting sur- face. Substract that measurement from 1.171 inches. This will be the shim thickness. Refer to figure 7-33A. Use Gage, Depth, Micrometer NSN 5210-00-542-4602 for this measurement. (4) When removing a pump for replacement, re- cord the button thickness and port closing dimensions as stamped on the side of the pump mounting flange (figure 7-33). These values are important in timing a new pump to the engine. b. Disassembly (see figure 7-34). All work on in- jection equipment MUST be performed in the cleanest location possible. No filing, scraping or sawing should be done on the bench where repairs are made. (1) Clean all external dirt and grease from the pump. The Pump Housing Must NEVER Be Clamped in a Vise. NOTE A special mounting fixture must be made to adequately housing. (see table 2-2) secure the pump (2) Clamp the mounting fixture in a suitable vise. (3) Install the pump into the mounting fixture, with two 0.3125’’ -18 UNC-HEX head screws. (4) Release lock tabs (2) and remove the two con- trol unit retaining plate screws (1) and tab washers (2, figure 7-34) and the control unit retaining plate and stop assembly (3). Care fully pull the control unit assembly (4) with plunger sleeve pin (5) out of the pump housing (6). Plunger sleeve pin occasionally may have to be removed separately. Use needle nose pliers or magnetic pencil. (5) Remove the delivery valve cap nut (7) and gasket (8). (6) Remove the delivery valve holder (9) then lift out the delivery valve spring (10), delivery valve assembly (11) and delivery valve spacer (12).

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