• Loosen all three screws of the chain wheel.
• Remove the chain wheel.
Do not let the chain fall into the chain slot.
• Assemble the new chain wheel. Therefore place the teeth of the timing wheel in the
chain at first. Thereafter turn the wheel in the chain to fit the wheel at the centering pin
at the camshaft.
Fig. 85 - 116 New chain wheel with timing chain placed at the camshaft
• Mount new chain wheel with three new screws. Do not tighten the screws.
• Install the chain tensioner with a new gasket. Tighten it with correct tightening torque.
• Tightening torque chain tensioner: 80 Nm (708 inch-Ibs.)
85-40-53 Check of engine timing
• The engine must be positioned at TDC. See Figure 85-113.
• Turn the engine until the two punch marks of the timing wheels are aligned as in Figure
85-113.
• The pins of tool AE-300-T009 must be in contact with the cylinder head housing and
must be located at the exhaust side. See Figure 85-115.
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