TM-9-2910-226-34 Page 156

TM-9-2910-226-34 LDT/LDS Multifuel Engine Injection Pump Manual

Page 156 of 208

TM 9-2910-226-34 (13) Identify pump with a suitable tag giving Table 3-11. Governor Inner and Outer Spacer Dimensions model of engine pump is to be used on, and the FSN number of the pump. Pump code Engine model Outer spring Inner spring h. Pump Preservation. Preservation and packag- A LDS-465-2 0.040-0.060 in. 0.100-0.120 in. B LDS-465-1A 0.020.040 in. 0. 100-0. 120 in. ing of the pump must be sufficient to afford C LD-465-1 0.040-0.060 in. 0. 100.0. 120 in. adequate protection against corrosion, deteriora- D LD-465-1C 0.040-0.060 in. 0.100-0.120 in. tion, and physical damage during storage and ship- E LDT465-1C 0.020-0.040 in 0.100-0.120 in.* ment from the repair source to the user. Prepare E LDT465-1C 0.040-0.060 in. 0.100-0.120 in.** the pump to meet these requirements. F LDS-465-1 0.020-0.040 in. 0. 100-0. 120 in. G LDS-427-2 0.080-0. 100 in. 0.100-0.120 in. * INJ Pump P/N 10935264-1 ** INJ Pump P/N 10935264-2 Section VI. REPAIR STANDARDS 3-59. General. The repair standards give rosion will be approved for service. An asterisk (*) . minimum, maximum, and important clearances of in “Wear limits” column indicates that part or parts new or rebuilt parts. They also give wear limits should be replaced when worn beyond limits given which indicate that point to which a part or parts in “Sizes and fits of new parts” column. In “Sizes . may be worn before replacement. Normally, all and fits of new parts” column, the letter L indicates parts which have not worn beyond dimensions a loose fit (clearance) and the letter T indicates a shown in “Wear limits” column or damaged by cor- tight fit (interference). All dimensions shown are in inches. 3-60. Injection Pump Assembly. Fig. No. B-2 B-3 *See paragraph 3-59. 3-110 Ref. letter a a b c a-c d b c Change 1 Point of measurement ID of pin hole in fuel control unit. . . . . . . . . . . . . . . . . . . . . . Thickness of flats of plunger sleeve pin . . . . . . . . . . . . . . . . OD of plunger sleeve pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fit of pin in control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rod return spring: Free length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lb compression at 1.4930-inch length . . . . . . . . . . . . . . OD of sleeve end of camshaft . . . . . . . . . . . . . . . . . . . . . . . . . . Governor inner spring: Spring SP 7950-16, No. 10951113, FSN 2910-836- 7316 (for LDS-465-2, code A Pump). Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lbs. compression at 1.8000-inch length . . . . . . . . Spring SP7950-11, No. 10923499, FSN 2990-850- 3260 (all but LDS-465-2 & LDT-465 Pumps) (used on B, C, D, F, G Pumps). Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lbs. compression at 1.8000 inch length . . . . . . . . Spring SP7950-22, No. 11668460, FSN 5360-081- 6977 (for LDT-46S, code E Pumps). Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lbs. compression at 1.8000-inch length . . . . . . . . Governor outer spring: Spring SP7951-11, No. 10923488, FSN 2910-846- 4659 (LDS-427-2, code G Pump). Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring rate, lbs/in. . . . . . . . . . . . . . . . . . . . . . . . . . . . Lbs. compression at 1.4000-inch length . . . . . . . . Spring SP7951-12, No. 11588685, FSN 5340-930- 5140 (all LD/LDS-465 Pumps) (used on A, B, C, D, F Pumps). Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring rate, lbs/in. . . . . . . . . . . . . . . . . . . . . . . . . . . . Lbs. compression at 1.4000-inch length . . . . . . . . Sizes end fits of new parts 0.0935 to 0.0942 0.0993 to 0.1000 0.0927 to 0.0933 0.0002L to 0.0015L 2.0000 0.45 to 0.55 lbs. 0.3735 to 0.3740 1.9530 to 2.0470 175 33.25 to 36.75 1.9530 to 2.0470 150 28.5 to 31.5 1.9530 to 2.0470 72 25.6 to 28.4 1.5150 to 1.6090 20 3.10 to 3.40 1.5150 to 1.6090 30 4.61 to 5.09 Wear limits (direct and general support maintenance) 0.0947 0.0990 0.0924 0.0020L * 0.3710 1.9150 170 31.6 1.9150 145 27.1 1.9150 68 25.5 1.4750 19.2 2.95 1.4750 28.8 4.40