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B–24 ENGINE Spool valve operation inspection 1. Disconnect the negative battery cable. (OCV) is in the maximum valve timing retard • If not as specified, replace the oil control valve 4. Verify that the battery is fully charged. • If not as specified, recharge the battery. 5. Apply battery positive voltage between the oil control valve (OCV) terminals and verify that the • If not as specified, replace the oil control valve Note • When applying battery positive voltage negative battery cable to terminal B — Positive battery cable to terminal B, negative battery cable to terminal A 6. Stop applying battery positive voltage and verify that the spool valve returns to the maximum valve timing retard position. • If not as specified, replace the oil control valve (OCV). End Of Sie VALVE CLEARANCE INSPECTION A6E242412111E02 1. Measure the valve clearance as follows. (1) Turn the crankshaft clockwise so that the No.1 piston is at TDC of the compression (2) Measure the valve clearance at A in the figure. • If the valve clearance exceeds the space Note • Make sure to note the measured values for Standard [Engine cold] IN: 0.22—0.28 mm {0.0087—0.0110 in} (0.25 ±±±± 0.03 mm {0.0098 ±±±± 0.0011 in}) EX: 0.27—0.33 mm {0.0106—0.0130 in} (0.30 ±±±± 0.03 mm {0.0118 ±±±± 0.0011 in}) (3) Turn the crankshaft 360 °°°° clockwise so that the No.4 piston is at TDC of the compression stroke. (4) Measure the valve clearance at B in the figure. • If the valve clearance exceeds the standard, replace the tappet. (See Note • Make sure to note the measured values for choosing the suitable replacement tappets. Standard [Engine cold] IN: 0.22—0.28 mm {0.0087—0.0110 in} (0.25 ±±±± 0.03 mm {0.0098 ±±±± 0.0011 in}) EX: 0.27—0.33 mm {0.0106—0.0130 in} (0.30 ±±±± 0.03 mm {0.0118 ±±±± 0.0011 in}) AME2226W003 AME2226W004 AME2212W001 |