GENERAL 5 2.3 RECOMMENDATIONS Lamp Condensation/Fogging Condition- Condensation is a natural phenomenon in Lamps. This occurs mainly because of atmospheric condition/weather change. During normal condensation, thin film of mist is visible on the inside surface of the exterior plastic lens. Generally, this condition is considered normal & can be eliminated by turning on the Headlamp with engine running or during normal driving conditions. Note: Headlamp fogging/condensation is a natural occurrence & Headlamp assembly replacement will not be necessary to resolve the issue. High pressure washer jet direct on vent systems of lamp are not recommended, there might be possibility to water ingress causing heavy fogging. 2.3.1 REPAIRS AND REPLACEMENT The following precaution and practices should be followed in order to reduce risk and conduct efficient and correct repair. 1. Go through the precaution and general information section given for that particular system or repair in this Workshop Manual. 2. Only TATAGENUINE SPARE PARTS should be used. Similar parts of other models should not be used, unless they have the same part number. 3. Do not use standard tools where special tools are recommended. 4. Whenever any hose is disconnected attach a tag to identify it. 5. Plug the ports, plugs and other openings of aggregates like FIP, TMC, etc. when remove from the vehicle. 6. When an assembly is dismantled, all reusable parts should be arranged in the sequence of its assembly in a clean enameled tray, in order to facilitate the assembly. 7. Do not use jack to lift the vehicle for any jobs to be carried out beneath the vehicle, always use lifts. 8. Disconnect the battery before conducting any repairs. OIL SEALS NOTE Ensure that the seal is free from pits, scores, corrosion and general damage prior to fitting replacement seal. 1. Always replace oil seals when rebuilding an assembly. 2. Carefully examine seal before fitting to ensure that it is clean and undamaged. 3. Coat the sealing lips with clean grease; pack dust excluder seals with grease. 4. Ensure that seal spring, if provided, is correctly fitted. 5. Place lip of seal towards fluid to be sealed and slide into position on shaft, using a fitting sleeve (5) when possible to protect sealing lip from damage by sharp corners, threads or splines. If the fitting sleeve is not available, use plastic tube or tape to prevent damage to sealing lip. 6. Grease outside diameter of seal, place on the housing and press into position, using great care and if possible a ’bell piece’ (6) to ensure that seal is not tilted. In some cases, it may be preferable to fit seal to housing before fitting to shaft. Never let weight of unsupported shaft rest in seal.
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