3.3.5. Replacement of maslootrazhatelny caps of a core of the valve
Too strong consumption of oil can be caused by worn-out caps of cores of valves. Caps of cores of valves can be removed without removal of a head of cylinders, special adaptation for this purpose will be required. If there is no special adaptation, it is necessary to remove a head of tsilndr.
Removal
| PERFORMANCE ORDER |
| 1. Remove a head of cylinders. |
| 2. Remove valves. |
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3. Take out caps of cores of valves. For removal flat-nose pliers are required. With dish-shaped pushers workshops use special devices to engines. Old caps sit, as a rule, very tight. Therefore the shock stripper whenever possible has to be applied to removal. |
Prevention
Do not use the screw-driver to removal since tozhno to damage the place of landing of a cap.
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Installation
| PERFORMANCE ORDER |
| 1. Before installation of valves check guides of the valve and perhaps process or grind in saddles of valves. |
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2. Slightly grease new caps of cores of valves (3) and put on guides of valves (4). |
| 3. Put a cap a suitable mandrel (1) against the stop (2 – a plate of a valve spring). The distance 5 has to be: 15,2 mm. |
Prevention
If there is no special mandrel, establish a cap by means of the hammer and a suitable tube. The tube has to have the same diameter as well as a cap and should not have keen edges.
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| 4. Insert springs of valves with the top and lower plates and squeeze. The narrow end of a spring has to be turned to a head of cylinders. |
| 5. Insert conic crackers, unclench springs of valves. |
| 6. In the same way replace all caps of cores of valves. |
| 7. Install valves. |
| 8. Establish a head of cylinders. |
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