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"Propeller" And So On

2024

Video: "Propeller" And So On

Video:
Video: The Wiggles: Do The Propeller with Sesame Street! 2024, March
"Propeller" And So On
"Propeller" And So On
Anonim

Overheated plates and valve seats begin to burn. Adjusting valve clearances requires patience and skill, which means that everyone who does this professionally will need some tools.

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In the maintenance manuals for the VAZ 2108, 2110, 2111 eight-valve engines, it is recommended that when checking the clearances in the gas distribution mechanism, the alignment marks on the camshaft pulley and the rear gear belt cover must be combined first, while rotating the crankshaft only clockwise (front view). Then rotate in the same direction by another 40–50 ° (approximately 2.5–3 teeth on the camshaft pulley). Rotate the crankshaft with the candles turned out, only for the bolt securing the alternator pulley or with a special device - for the camshaft pulley (photo 1 and Fig. 1). The latter is made of a steel strip with a section of 30x4 mm. (By the way, small additional cutouts make it suitable for 16-valve engines.) The fixture is especially useful when you want to unscrew the bolt from the camshaft pulley. But we do not recommend cranking the crankshaft for this bolt - you risk damaging the edges.

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At this stage, another device will help speed up the work - rice. 2, photo 2. Having fixed it, we bring the camshaft mark to any of the corners of the “square” - and it will be in the “adjusting” positions. Near each corner, useful information: valve number and associated clearance.

Trying various adjustment methods, I was convinced that the gaps with the cam vertical position and turned 45 °, strictly speaking, do not quite coincide. Without going into the reasons, we will take it as a fact - in this part, apparently, one should not “rationalize” the technology prescribed by the VAZ.

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Convenient sets of probes for measuring gaps help speed up work (photo 3). They are made from a standard set. The first set resembles the correct propeller from probes (0.3–0.35–0.4 mm) for exhaust valves. The angle between the probes is 120 °. With this it is easier to get to the first valve. Another kit is for intake valves (0.15–0.2–0.25 mm). The probes are T-shaped - with adjustments this helps to avoid confusion.

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