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Chery QQ Service Manual
Mechanical Part of SQR 472Engine
21 clearance once again: Cylinder 1 Cylinder 2 Cylinder 3 Cylinder 4 IN EX IN EX IN EX IN EX — — — O O — O O
If the clearance exceeds the standard value, adjust it by replacing the adjustment gasket. Notice: The position at which the measurement result exceeds the standard value as well as the measurement result should be recorded.
4.4.1 Rotate the camshaft and make the cam head of the cylinder which exceeds the standard value faces upwards and the opening of the valve tappet face inwards.
4.4.2 Rotate the crankshaft and press down the valve tappet with the crown head of the cylinder cam.
4.4.3 As indicated in the right figure, put special tools on and around the valve tappet from the inside of the cylinder head, and then rotate the crankshaft so that the crown head of the cam face upwards. Press the valve tappet with special tools and hold on.
4.4.3.1 Pry out the adjustment gasket with screw driver, remove the gasket inside with magnet.
4.4.3.2 Adjust the thickness of adjustment gasket with |