12.6. A back suspension bracket on screw springs
Service of shock-absorbers
Removal and installation
Removal
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- Car back also establish to Poddomkratta it on the props got under a chassis frame.
Raise a case of the back bridge by means of the jack got under its central part. It is necessary to unload shock-absorbers completely.
- Give a nut of fastening of the top end of the shock-absorber to the car chassis. Remove washers and rubber plugs (see an accompanying illustration).
- Give a nut of fastening of the lower end of the shock-absorber to a basic plate of the forward bridge. Remove washers.
- Remove the shock-absorber from the car.
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Installation
Installation is made upside-down.
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- Track correctness of installation of rubber plugs and washers of fixture.
- Track correctness of installation of the shock-absorber. The dustproof coupling has to be turned down and put on the lower end of the shock-absorber.
- Tighten the top and lower fixing nuts with effort of 30 ÷ 40 Nanometers after the weight of the car is completely postponed for wheels.
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Check and pumping
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The description of procedures of check of a condition of the shock-absorber which implementation does not require the special equipment is given below. |
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- Examine the shock-absorber case on existence of dents, other damages and traces of leaks. The defective shock-absorber is not subject to recovery repair and has to be replaced.
- Check a condition of rubber plugs. The top plug can be in case of need replaced. At wear or damage of the lower plug it is necessary to replace the shock-absorber assembled.
- Clamp the shock-absorber vertically in a vice (for a ring of the lower support).
- Undertake the top part of the shock-absorber and, having pulled, lift it against the stop up, then slowly lower down, having completely squeezed the shock-absorber.
- Repeat the procedure of the last paragraph six-eight times, having completely eliminated the side plays determined by the air which is present at the shock-absorber. If side plays are not eliminated, the shock-absorber has to be replaced.
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