TM-9-2320-361-34 Page 241

TM-9-2320-361-34 Direct Maintenance Manual for M44A2 Series Trucks

Page 241 of 764

TM 9-2320-361-34 10-4. DIFFERENTIAL CARRIER REPAIR (Contd) 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. NOTE Ensure pinion shaft is secured to prevent rotation. Install dial indicator on carrier (1) and position plunger against tooth of bevel gear (2). Measure backlash between bevel gear (2) and helical pinion (3). Proper backlash is 0.005-0.015 in. (0.013-0.038 cm). If backlash is correct, go to step 48. Remove six screws (6), bearing cover (5), and shims (4) from carrier (1). Tie shims (4) to bearing cover (3). NOTE Secure bevel gear with brass drift to prevent rotation of bevel gear. Remove two screws (8) and plate (9) from helical pinion shaft (12). Remove bearing cage (10) from carrier (1) with two puller screws. NOTE If backlash is greater than 0.015 in. (0.038 cm), remove a shim or use a thinner shim. If backlash is less than 0.005 in. (0.013 cm), add a shim or use a thicker shim. Ensure even installation of bearing cage by evenly tightening screws. Add or remove shims (11) as necessary. Aline hole in shims (11) with holes in bearing cage (10) and install bearing cage (10) and shim (11) and two puller screws on carrier (1). NOTE Secure bevel gear with brass drift to prevent rotation of bevel gear. Install plate (9) on helical pinion shaft (12) with two screws (8). Tighten screws (8) 60-77 lb-ft. (81-104 N.m). Aline holes in shims (4) with holes in bearing cover (5), and install shims (4) and bearing cover (5) on carrier (1) with screws (6). Tighten screws (6) 65-85 lb-ft (88-115 N.m). Repeat steps 37 and 38. Remove dial indicator from carrier (1). 10-24