TM 9-2320-361-34 MECHANICAL SYSTEMS TROUBLESHOOTING SYMPTOM INDEX (Contd) MALFUNCTION TROUBLESHOOTING NO. MALFUNCTION PROCEDURE PAGE 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67. 2-4 DIFFERENTIAL Differential noisy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 Differential clunks during turns or initial takeoff. . . . . . . . . . . . . . . . 2-21 Differential leaks oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21 Abnormal tirewear(front axle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Abnormal tirewear(rear axle) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 STEERING GEAR Excessive play in steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Steering gear leaking oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Steering wheel hard to turn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 POWER TAKEOFF (Transmission-driven) Power takeoff inoperative . . . . . . . . . . . . . . . . 2-23 (Transfer-driven) Power takeoff inoperative. . . . . . . . . . . . . . . . . . . . 2-23 Transmission power takeoff leaks oil. . . . . . . . . . . . . . . . . . . . . . . . . 2-23 Transfer power takeoff leaks oil.. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23 DUMP BODY (M342A2) Dump body will not raise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24 Dump body will not lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25 Dump body will not hold in raisedposition . . . . . . . . . . . . . . . . . . . . 2-25 FUEL TANK (M49A2C) Fuel will not pump from compartments or pumps slowly. . . . . . . . . . . 2-25 Fuel will not gravity drain from selected compartments . . . . . . . . . . . 2-26 Fuel tank compartments cannot be suction filled . . . . . . . . . . . . . . . . 2-26 Fuel mixed with water when dispensed. . . . . . . . . . . . . . . . . . . . . . . 2-26 WATER TANK (M50A2 AND M50A3) Water will not pump from compartments or pumps slowly . . . . . . . . . 2-26 Water will not gravity drain from selected compartments . . . . . . . . . . 2-27 Water tank compartments cannot be suction filled. . . . . . . . . . . . . . . 2-27 EARTH BORING AND POLESETTING (M764) Earth boring machine drive inoperative . . . . . . . . . . . . . . . . . . . . . . 2-27 Earth boring machine feed inoperative . . . . . . . . . . . . . . . . . . . . . . . 2-27 Earth boring machine brake inoperative . . . . . . . . . . . . . . . . . . . . . . 2-28 Earth boring machine will not move vertically. . . . . . . . . . . . . . . . . . 2-28 Earth boring machine will not move horizontally. . . . . . . . . . . . . . . . 2-28 Earth boring machine excessively noisy . . . . . . . . . . . . . . . . . . . . . . 2-28 OUTRIGGERS Outriggers inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29 Outriggers operate unevenly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29 Outriggers will not hold in extended position. . . . . . . . . . . . . . . . . . . 2-29