Figure 7-36. Delivery Valve Test Assembly

Figure 7-34. Disassembly of Fuel Injection Pump (Sheet 2 of 2) - TM-5-6115-585-34_139

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
Page Navigation
108

TM5-6115-585-34 NAVFAC P-8-262-12 TO-35C2-3-455-2 TM-05684C-34 Figure 7-36. Delivery Valve Test Assembly (a) Insert the delivery valve spring (1) and the delivery valve holder (2). Tighten the delivery valve holder to a torque of 70-75 ft-lbs. Figure 7-36 illus- trates the components that are to be assembled to test fixture TSE 76226 (3). (b) Attach test fixture TSE 76226 (3) to a manual- ly operated Nozzle Test Stand. NOTE Always check to make certain that all external connections are tight and that the Nozzle Test Stand is in good order. (c) Delivery valve opening pressure is 300-600 psi. Delivery valve must hold 275 psi for 30 seconds. Remove delivery valve assembly from test fixture. The delivery valve spring (1) must be free of nicks or wear (flat spots). Always replace nicked or worn springs. 7-34 LAPPING COMPOUND MUST NOT COME IN CONTACT WITH THE RELIEF PISTON DUR- ING THE LAPPING OPERATION, AND ALL LAPPING COMPOUND MUST BE REMOVED BEFORE INSTALLING THE DELIVERY VALVE ASSEMBLY INTO THE HYDRAULIC HEAD. (d) If the delivery valve assembly is leaky, the delivery valve seat may be lapped to its corres- ponding seat in the delivery valve body with a small quantity of suitable Lapping ‘Compound. (2) If the plunger button (23, figure 7-34) is grooved, ridged, scored, or exhibits an uneven wear pattern, it must be replaced. (3) Install a thrust washer (29). Replace thrust washer if damaged. (4) Replace the plunger drive gear (28) if the teeth are worn or damaged.

Privacy Statement
Press Release
Contact