MAINTENANCE MANUAL - Meritor

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14. Adjust the shift fork for the inter-axle differential lock. The movement of the shift fork is controlled by the adjusting screw of the locking mechanism. A. Loosen the jam nut on the adjusting screw. Loosen the adjusting screw so that the screw does not touch the shift of the drive mechanism. Figure 5.106. LOOSEN THE JAM NUT AND ADJUSTING SCREW. B. Apply and hold 60 psi (413 kPa) of air pressure to the shift cylinder so that the shift collar engages the splines in the inter-axle differential case. C. Verify that the adjusting screw does not touch the shift shaft when the shift collar engages the inter-axle differential case. D. Tighten the adjusting screw until the tip of the screw touches the end of the shift shaft. Release the air pressure D. When the screw touches the shaft, tighten the adjusting screw an additional one turn. Apply air pressure, then tighten the jam nut. Figure 5.107. MAINTENANCE MANUAL SHIFT SHAFT Figure 5.106 TIGHTEN THE ADJUSTING SCREW ONE TURN AFTER THE SCREW TOUCHES THE END OF THE SHOFT. Assembly and Installation SHIFT SHAFT APPLY 60 PSI (413 kpa) OF AIR PRESSURE HERE. Figure 5.107 F. Disengage the inter-axle differential lock by holding the input fork or flange and rotating the output fork or flange. The output fork or flange should rotate with less than 50 lb-ft (67 Nm) of torque applied. . G. Apply and hold 60 psi (413 kPa) of air pressure to the shift cylinder mechanism to verify that the shift collar engages the splines in the inter-axle differential case. When the input fork or flange is rotated, the output fork or flange must rotate. Release the air pressure. H. Apply a rust prevention oil, for example, as Meritor part number 1199-U-1113 or equivalent to the inlet of the air cylinder. 15. Connect the vehicle driveshafts to the input and the thru forks or flanges. 16. Connect the air lines to the inter-axle differential air cylinder and, if used the main differential lock cylinder. 17. On axles with a main differential lock, connect the electrical connector of the sensor unit. Verify that the main differential lock is disengaged. 81
Assembly and Installation 18. If removed, install the oil filter adapter of the differential housing. Use Meritor adhesive number 2297-T-4180, or equivalent. See the Section 4. Tighten the adapter to 40-60 lb-ft (55-80 Nm). Figure 5.108. . CAUTION IF THE OIL FILTER IS TIGHTENED MORE THAN 3/4 OF A TURN AFTER IT CONTACTS THE DIFFERENTIAL, THE OIL FILTER WILL BE DAMAGED AND LEAk FLUID. DAMAGE TO COMPONENTS CAN RESULT. 19. Apply axle lubricant to the gasket of the new oil filter. Install the oil filter onto the adapter. When the gasket on the filter contacts the differential, tighten the oil filter an additional 3/4 of a turn. If necessary, use an oil filter wrench to tighten the filter. Figure 5.108. OIL FILTER ADAPTER OIL FILTER Figure 5.108 CAUTION When you apply some silicone gasket materials, a small amount of acid vapor is present. To prevent serious personal injury, ensure that the work area is well-ventilated. Read the manufacturer’s instructions before using a silicone gasket material, then carefully follow the instructions. If a silicone gasket material gets into your eyes, follow the manufacturer’s emergency procedures. Have your eyes checked by a physician as soon as possible. Take care when you use Loctite® adhesive to avoid serious personal injury. Read the manufacturer’s instructions before using this product. Follow the instructions carefully to prevent irritation to the eyes and skin. Conical Washer, Flat Washer and Nut 1. Clean the mating surfaces of the axle shaft and wheel hub. 2. If silicone gasket material is used, apply a 0.125-inch (3 mm) diameter bead of the gasket material around the mating surface of the hub and around the edge of each fastener hole. 3. Install the gaskets and axle shafts in the axle housing in the differential. The gasket and flange of the axle shafts must fit flat against the wheel hub. Figure 5.109. 4. If the axle shaft hubs have conical hole studs, install conical washer in the each stud and the flange of the axle shaft. Figure 5.109. CONICAL WASHER RETENTION STUD NUT WASHER CAPSCREW WASHER NON CONICAL WASHER RETENTION CONICAL WASHER GASKET AXLE SHAFT OR FLANGE 82 MAINTENANCE MANUAL STUD SHAFT HUB AXLE Figure 5.109
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MT 46-145 MT 50-168 MAINTENANCE MAN
Page 4 and 5:
Notes About This Manual This manual
Page 6 and 7:
Single Reduction Forward Differenti
Page 8 and 9:
RIGHT. SIDE CURRENT DCDL NO SPIN®
Page 10 and 11:
• When the collar splines engage
Page 12 and 13:
Hazard Alert Messages Read and obse
Page 14 and 15:
5. Install a cover over the open en
Page 16 and 17:
CAUTION WHEN USING A PRY BAR, BE CA
Page 18 and 19:
3. Press the output shaft through t
Page 20 and 21:
A. Lift the input shaft assembly un
Page 22 and 23:
3. Remove the snap ring that fasten
Page 24 and 25:
Removal Inter-Axle Differential Loc
Page 26 and 27:
7. Use an appropriate lifting devic
Page 28 and 29:
2. Remove the drive pinion from the
Page 30 and 31:
Clean Ground and Polished Parts 1.
Page 32 and 33: CAUTION A THRUST WASHER, DIFFERENTI
Page 34 and 35: 9. For complete welding instruction
Page 36 and 37: CAUTION APPLY SILICONE GASkET MATER
Page 38 and 39: Hypoid Gear Set Ratios Listed on th
Page 40 and 41: • If the axle ratios shown on the
Page 42 and 43: Hazard Alert Messages Read and obse
Page 44 and 45: The preload of the bearings on the
Page 46 and 47: SPACER- AVAILABLE IN DIFERENT SIZES
Page 48 and 49: 14. Use a press and a sleeve to pre
Page 50 and 51: 4. Measure the outer diameter of th
Page 52 and 53: 9. Apply axle oil lubricant on the
Page 54 and 55: Installation Case Halves and Ring G
Page 56 and 57: Adjustment Main Differential Case B
Page 58 and 59: 5.If the difference is at or within
Page 60 and 61: PART NUMBER Examples The following
Page 62 and 63: 5. Change the thickness of the shim
Page 64 and 65: 5.Tighten the jam nut, if equipped,
Page 66 and 67: A. Apply axle lubricant to the inne
Page 68 and 69: E. Install the input bearing cage o
Page 70 and 71: NOTE: The shim pack under the input
Page 72 and 73: 9. Inspect the clearance operation
Page 74 and 75: Inspection Adjust of the clearance
Page 76 and 77: 6. Position the installation tool a
Page 78 and 79: Tight Fit Forks and POSE Seal . 1.
Page 80 and 81: CAUTION USE A PRESS AND A SLEEVE OR
Page 84 and 85: 5. If the axle shaft flange have cy
Page 86 and 87: Fill the Axle with Lubricant NOTE:
Page 88 and 89: Engagement or Lockout of the DCDL W
Page 90 and 91: Differential and Gear Assembly and
Page 92 and 93: NOTE: Some models use silastic seal
Page 94 and 95: 10. Engage the splines of the colla
Page 96 and 97: VERSIÓN FIJADA POR TORNILLOS SHIFT
Page 98 and 99: 5. Install the differential into th
Page 100 and 101: MAINTENANCE MANUAL Lubrification Sp
Page 102 and 103: Torque Specifications MAINTENANCE M
Page 104 and 105: Tabela Q: General Torques Specifica
Page 106 and 107: Table U: Drive Pinion Bearings —
Page 108 and 109: Specifcations Mounting Bracket to D
Page 110 and 111: Table AE: Unitized Pinion Seals and
Page 112 and 113: 7. Release conical washers, if used
Page 114 and 115: 8. Unlock or disengage the DCDL by
Page 116 and 117: 14. Lock or engaged the main differ
Page 118 and 119: PARAFUSO CONICAL WASHER RETENTION S
Page 120: Always use original parts For more
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MAINTENANCE MANUAL - Meritor

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