518 BRAKE SYSTEM 6.5 ON VEHICLE REPAIRS Following precautions should be taken while working on brake system or components: 1. Do not spill the brake fluid on the vehicle, as it may damage the paint. To keep fluid from spraying/running out of lines and hoses, drain it in a suitable collector and wrap the fittings with shop clothes when disconnecting them. 2. During servicing keep grease, oil, brake fluid or any other foreign materials off from the brake linings and drum surfaces. 3. Use only DOT3 brake fluid confirming to SAE J1703 from a sealed container. Ensure that brake fluid is not contaminated. 4. Use only genuine recommended spare parts only, as it can seriously affects the braking efficiency and may lead to disastrous situations. 5. Do not use petroleum based fluid as damage will occur to rubber components. 6. Do not polish lining with sandpaper or emery paper. If lining is polished with sandpaper or emery paper, hard particles of sandpaper will be deposited in the lining resulting in damage of drum surface. 7. All fasteners in brake system are important at taching parts as they could af fect the performance of vital parts and system. 8. Ensure that recommended tightening torque values are maintained during assembly. 9. Welding of brake parts should not be done as it may result in damage or weakening of components in the system. 10. Front brake hoses are longer than rear brake hoses so never put rear brake hose in place of front brake hose. This may cause severe damage to brake system while running. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
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