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c. Install the tightening bolt [Part No.: 81-20620-28, thread diam- eter: M6, under head: 20 mm (0.79 in), pitch: 1.0 mm (0.039 in)] : 2.5 - 3.4 N ⋅ m (0.25 - 0.35 kg-m, 22 - 30 in-lb) CAUTION: I To protect the idler gear from damage, do not use the sub- I Hereafter, do not turn the crankshaft to avoid hitting tight- I Do not remove the idler gear tightening bolt before instal- 7. Make mating marks on the cam sprocket, fuel injection pump sprocket, and timing chain with paint. 8. Make mating marks on the fuel injection pump gear and idler gear with paint. 9. Remove the chain tensioner. installation bolt to release the spring tension. (3) Remove the lower installation bolt first, and then the chain ten- sioner. I Since the chain tensioner does not have a mechanism to pre- 10. Remove the timing chain slack guide. I Make mating marks on each sprocket and timing chain. I Hold the hexagon head of the camshaft on the exhaust mani- CAUTION: Do not loosen the installation bolt using a chain tension. 12. Remove the fuel injection pump sprocket and gear as an assembly. I Fix the fuel injection pump gear with the pulley holder (SST), I Try not to move the pump shaft when removing. I Connect the sprocket and gear with a dowel pin, and tighten JEF263Z JEF264Z JEF265Z JEF266Z JEF267Z BASIC SERVICE PROCEDURE ZD30DDTi Electronic Control Fuel Injection Pump (Cont’d) EC-29 |