2.5.1.4. 5-cylinder diesel engine
Check
PERFORMANCE ORDER |
1. To remove the top casing of a gear belt. |
2. To weaken bolts of fastening of the generator and a tension eye on one turn. |
3. To unscrew a tension eye of a water pomp and to wring out the generator up. |
4. To strike with the rubber hammer a gear belt between a driving gear wheel of a cam-shaft and a gear wheel of a water pomp. |
5. Turn of the handle to weaken a spring of the control VW 210 device. |
6. To install the control device between a driving gear wheel of a cam-shaft of a water pomp so that the gear belt passed between a sled and the measuring probe of the control device. |
7. To measure by the control device a tension of a gear belt and to remember. |
8. To turn the crankshaft on one turn and to repeat measurement. |
9. To calculate average value of two measurements and to compare to the required value. The required value: value of a scale 12... 13 on the measuring VW 210 device. |
10. If average value differs from demanded, to make adjustment of a gear belt. |
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Manual adjustment of a tension of a gear belt till September, 1991.
PERFORMANCE ORDER |
1. To pull a spring of the control device to value of a scale 12... 13. Sideways the measuring probe from the control device the steel uvula on which the white horizontal strip is put acts. |
2. To install the control device. |
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3. To weaken bolts of fastening of a water pomp (bolts are shown in the drawing at the left and to the right of the screw-driver). To turn by means of mount or the big screw-driver a water pomp, as shown in the drawing, so that on the control device the white horizontal strip coincided with edge of the case. |
4. To tighten fastening bolts the moment of 20 N · m. |
5. To turn the crankshaft on one turnover of the direction of rotation and to repeat measurement, if necessary to repeat adjustment. |
6. To screw a tension eye of a water pomp and to adjust a tension of a maple belt of the generator (see subsection 2.12.1). |
7. To establish the top casing of a gear belt. |
Prevention
If near at hand there is no adjusting and control tool (the abroad, accident), the tension of a belt can be made by make-shifts.
To pull a gear belt so that at impact on it big and a forefinger it was twisted by fingers on 90 °.
To avoid the raised engine turns so far a belt tension, whenever possible in the nearest future, it will not be checked by the control device.
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Semi-automatic adjustment of a tension of a gear belt since October, 1991.
PERFORMANCE ORDER |
1. To weaken on 1 turn a nut of fastening of the sprung tension roller on a head of the block of cylinders. There is an automatic, required tension of a gear belt. |
2. To turn the engine on 1/4 – 1/2 turns (from 90 ° to 180 °) in the direction of rotation. |
3. To tighten a fastening nut the moment of 15 N · m. |
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