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Folga do eixo balanceador

Balance Shaft Backlash

Oficina · página 311 de 1428 · 303-01A-25 · motor 2.5 gasolina · parte 5 de 6

Página 311 do Manual de Oficina: Folga do eixo balanceador
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Engine – 2.5L Duratec-HE (122kW/165PS) - MI4 303-01A-25 303-01A-25 GENERAL PROCEDURES crankshaft TDC timing peg. The engine is now at TDC. Special Tool(s): 303-507 303-507 E131755 51.With the balancer unit shaft marks in the TDC position, slowly install the balancer unit to the cylinder block to avoid interference between the crankshaft drive gear and the balancer unit driven gear. E134651 52.Install the balancer unit bolts. Torque: ‡ Stage 1: 25 Nm ‡ Stage 2: 50 Nm 3 1 2 4 E134653 53.Remove the Special Tool(s): 303-507 303-507 E131755 54.Install the timing peg bolt. Torque: 20 Nm E131754 55.NOTE: Remeasure the backlash and verify that it is within specified range at all of the following 6 positions: 10 degrees, 30 degrees, 100 degrees, 190 degrees, 210 degrees and 280 degrees. It will be necessary to reset the measuring equipment between measurements. NOTE: The measurement must be taken with the dial indicator gauge with holding fixture, a 5-mm allen wrench and worm clamp set up as shown. Mark the Allen wrench with a file 80 mm (3.149 in) above the driven gear shaft center. Make sure the worm clamp and allen wrench are not touching the balance shaft housing. NOTE: For an accurate measurement while measuring the gear backlash, insert a screwdriver as shown into the crankshaft No. 1 crankweight area and set both the rotation and the thrust direction with the screwdriver, using a prying action as shown. ‡ Position the dial indicator gauge with holding fixture (1) on the allen wrench 80 mm (3.149