TRANSMlSSlON OIL PUMP

TM-5-3805-263-14P-2 Grader Heavy Road Motorized Type I Nonsectionalized Type II Sectionalized Manual
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POWER TRAIN SPEClFlCATlONS TM 5-3805-263-14&P-2 TRANSMlSSlON OIL PUMP 3P891 Rotation is clockwise when seen from driven end. Bench test using SAE 10W oil at 120° F (49° C), (1) Section for scavenge (minimum output). . . . . . . . . . . . . . . . . 34.5 U.S. gpm (132 liter/min) with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800 rpm at a pressure of . . . . . . . . . . . . . . . . . . . . . 50 psi (345 kPa) (2) Section for the transmission (minimum output) . . . . . . . . . . . . . . . . . . . 188 U.S gpm (73 liter/min) with pump at . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1600 rpm at a pressure of . . . . . . . . . . . . . . . . . . . . . . . 350 psi (2415 kPa) (3) Length of gears (new). . . . . . . . . . . . . . . . .9998 ± .0005 in. (25.395 ± 0.013 mm) Depth of bores for gears (new). . . . . . . . . . . . . . 1.0030 ± .0008 in. (25.476 ± 0.020 mm) (4) Length of gears (new). . . . . . . . . . . . . . .8750 ± .0003 in. (22.225 ± 0.008 mm) Depth of bores for gears (new). . . . . . . . . . . . . . . . . .8777 ± .0005 in. (22.294 ± 0.013 mm) (5) Diameter of shaft (new). . . . . . . . . . . . . . . 1.2497 ± .0002 in. (31.742 ± 0.005 mm) Bore in bearing (new). . . . . . . . . . . . . . . 1.2514 ± .0003 in. (31.786 ± 0.008 mm) (6) Diameter of shaft (new). . . . . . . . . . . . . 1.2497 ± .0002 in. (31.742 ± 0.005 mm) Bore in bearing (new). . . . . . . . . . . . . . 1.2514 ± .0003 in. (31.786 ± 0.008 mm) TRANSMISSION OIL FILTER 6P2091 CAUTION Do not use air wrench to tighten housing assembly. Difference in pressure at which the bypass valve will open. . . . . . . . . . . . . . . . 36 ± 3 psi (248 ± 21 kPa) (1) 9M1986 Spring for the bypass valve: Length under test force . . . . . . . . . . . . . . . . . 1.00 in. (25.4 mm) Testforce . . . . . . . . . . . . . . . . . . . . . . . 24.9 ± 2.0 lb. (111 ± 9 N) Free length after test . . . . . . . . . . . . . . 1.86 in. (47.2 mm) Outside diameter. . . . . . . . . . . . . . . . . . 50 in. (12.7 mm) (2) 3S8852 Spring for the filter element: Length under test force . . . . . . . . . 1.00 in. (25.4 mm) Test force . . . . . . . . . . . . . . . . . . 31.6 to 37.2 lb. (141 to 166 N) Free length after test . . . . . . . . . . . . . . . 3.80 in (96.5 mm) Outside diameter. . . . . . . . . . . . . . . . . . . . 1.38 in. (35.1 mm) 2-127

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