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MSG MODEL (4WD) 7B-77 GEAR INSIDE DIAMETER Use an inside dial indicator to measure the gear inside mm(in) Standard Limit 1st Rev. 45.00-45.01 (1.7717-1.7720) 45.10 (1.7756) 2nd 3rd 41.00-41.01 (1.6142-1.6146) 41.10 (1.6181) 5th 34.03-34.02 (1.3398-1.3402) 34.10 (1.3425) Transfer idler 33.00-33.025 (1.2992-1.3002) 33.10 (1.3031) REVERSE IDLER GEAR AND IDLER GEAR SHAFT CLEARANCE 1. Use a micrometer to measure the idler gear shaft diameter. 2. Use an inside dial indicator to measure the idler gear inside diameter. 3. Calculate the idler gear and idler gear shaft clearance. Idler gear inside diameter - idler gear shaft diameter = idler gear and idler gear shaft clearance. If the measured value exceeds the specified limit, the idler gear and/or the idler gear shaft must be replaced. Idler Gear and Idler Gear Shaft Clearance mm(in) Standard Limit 0.041-0.074 (0.0016-0.0029) 0.150 (0.0059) TRANSFER IDLER GEAR SHAFT OUTSIDE DIAMETER Use a micrometer to measure the idler gear shaft diameter. mm(in) Standard 24.99-25.0 (0.9839-0.9843) |