TM-9-2815-210-34-2-2 LDS-465-1/LDS-465-2 Multifuel Engine Maintenance Manual Part 2
Page 186 of 968
TM 9-2815-210-34-2-2 FRAME 10 1. 2. 3. 4. NOTE Readings must be within limits given in table 4-30. The letter L shows a loose fit. If readings are not within given limits, throw away part and get a new one. Shims (4) are used .to adjust pressure relief valve. The number of shims may differ from pump to pump. Some pumps may have no shims. Pressure relief valve spring (1) comes in a parts kit which has new shims (4). If you get a new parts kit, save all the shims even if pump had no shims. Shims will be used later during pump test and adjustment. Parts kit also contains a new plunger (2) and a type of spring retainer (5) with no threads. This plunger and spring retainer are for late model pumps and should not be used on early model pumps. Measure free length of relief valve spring (1). Measure load needed to squeeze relief valve spring (1) to 2.100 inches. Measure maximum solid height of relief valve spring (1). Measure outside diameter of pressure relief valve plunger (2). Measure inside diameter of pressure relief valve bore (3). If reading is not within limits given in table 4-30, get a new oil pump. Measure fit of relief valve plunger (2) in pressure relief valve bore (3). If reading is not within limits given in table 4-30, get a new oil pump. GO TO FRAME 11 4-167